**Personal Protective Equipment (PPE)**

**for Operating Electrical Equipment**

# 

### This exhibit includes BNL Personal Protective Equipment (PPE) requirements for operating circuit breakers and disconnect switches (not wall light switches) that are rated 50 volts to 600 volts. In all cases, the clothing and equipment required for the degree of exposure is permitted to be worn alone or integrated with flammable, non-melting apparel. If flame-resistant (FR) clothing is required, it must cover associated parts of the body, as well as all flammable apparel while allowing movement and visibility. PPE equipment will normally be used in conjunction with one another as a system to provide the appropriate level of protection. Clothing must cover potentially exposed areas as completely as possible. Shirt sleeves must be fastened at the wrists, and shirts and jackets must be closed at the neck. (See Table 2 below for required PPE.)

### 

 

+-------------------------+------+-------+------------+------------+---+
| **Table 1. Hazard Risk  |      |       |            |            |   |
| Category                |      |       |            |            |   |
| Classifications**       |      |       |            |            |   |
+-------------------------+------+-------+------------+------------+---+
| ## Equipment            | ##   | ##    | ## BNL     |            |   |
|                         |  Vol |  Ampe | PPE Rating |            |   |
|                         | tage | re \[ |            |            |   |
|                         |      | Notes |            |            |   |
|                         |      |  3 an |            |            |   |
|                         |      | d 4\] |            |            |   |
+-------------------------+------+-------+------------+------------+---+
| In all cases, if there  | Less |       | Example is |            |   |
| is a label on the       | than |       | Light and  |            |   |
| equipment that lists    | 600  |       | Power      |            |   |
| required PPE, you must  | V    |       | panels fed |            |   |
| use at least that PPE.  |      |       | from       |            |   |
|                         |      |       | 30-KVA     |            |   |
|                         |      |       | tr         |            |   |
|                         |      |       | ansformers |            |   |
|                         |      |       | only       |            |   |
|                         |      |       | require    |            |   |
|                         |      |       | safety     |            |   |
|                         |      |       | glasses.   |            |   |
+-------------------------+------+-------+------------+------------+---+
| Circuit Breaker Panels  | Less | Less  | NFPA 70E   |            |   |
| or Disconnect Switches  | than | than  | Cat. 0     |            |   |
| operating at less than  | or   | or    | PLUS       |            |   |
| or equal to 240 V and   | e    | equal | leather    |            |   |
| rated less than or      | qual | 225 A | palm       |            |   |
| equal to 225 A          | 240  |       | gloves     |            |   |
|                         | V    |       |            |            |   |
+-------------------------+------+-------+------------+------------+---+
| Circuit Breaker Panels  | More | Less  | NFPA 70E   |            |   |
| or Disconnect Switches  | than | than  | Cat. 2 (8  |            |   |
| (excluding 277 V wall   | 240  | or    | Cal/cm^2^) |            |   |
| light switches)         | V    | equal |            |            |   |
| operating more than 240 |      | 225 A |            |            |   |
| V and rated less than   |      |       |            |            |   |
| or equal to 225 A       |      |       |            |            |   |
+-------------------------+------+-------+------------+------------+---+
| Circuit Breaker Panels  | Less | Gr    | NFPA 70E   |            |   |
| or Disconnect Switches  | than | eater | Cat. 2 (8  |            |   |
| operating at less than  | or   | than  | Cal/cm^2^) |            |   |
| or equal to 240 V and   | e    | 225 A |            |            |   |
| equipment rated greater | qual |       |            |            |   |
| than 225 A              | 240  |       |            |            |   |
|                         | V    |       |            |            |   |
+-------------------------+------+-------+------------+------------+---+
|                         |      | St    | NFPA 70E   |            |   |
|                         |      | arter | Cat. 2 (8  |            |   |
|                         |      | Size  | Cal/cm^2^) |            |   |
|                         |      | \<4   |            |            |   |
|                         |      |       |            |            |   |
|                         |      | (50   |            |            |   |
| Operating controls on   | Less | Hp or |            |            |   |
| 480-V Motor Control     | than | less) |            |            |   |
| Centers or individual   | 600  |       |            |            |   |
| motor starters          | V    |       |            |            |   |
|                         |      |       |            |            |   |
|                         |      |       |            |            |   |
+-------------------------+------+-------+------------+------------+---+
|                         |      |       | Arc Flash  | PPE as     |   |
|                         |      |       | Hazard     | listed on  |   |
|                         |      |       | Analysis   | panel      |   |
|                         |      |       | completed  |            |   |
|                         |      | St    |            |            |   |
|                         |      | arter |            |            |   |
|                         |      | Size  |            |            |   |
|                         |      | 4+    |            |            |   |
|                         |      |       |            |            |   |
|                         |      | (51   |            |            |   |
|                         |      | Hp or |            |            |   |
|                         |      | more) |            |            |   |
|                         |      |       |            |            |   |
|                         |      |       |            |            |   |
+-------------------------+------+-------+------------+------------+---+
|                         |      |       | Work       | PPE as     |   |
|                         |      |       | Planning   | listed on  |   |
|                         |      |       | performs   | Permit     |   |
|                         |      |       | arc flash  |            |   |
|                         |      |       | analysis   |            |   |
+-------------------------+------+-------+------------+------------+---+
|                         |      |       | No Arc     | NFPA 70E   |   |
|                         |      |       | Flash      | Cat.4      |   |
|                         |      |       | Hazard     |            |   |
|                         |      |       | Analysis   | (40        |   |
|                         |      |       |            | Cal/cm^2^) |   |
+-------------------------+------+-------+------------+------------+---+
|                         |      |       | Arc Flash  | PPE as     |   |
|                         |      |       | Hazard     | listed on  |   |
|                         |      |       | Analysis   | panel      |   |
|                         |      |       | completed  |            |   |
| Circuit Breaker Panels  | More | Gr    |            |            |   |
| or Disconnect Switches  | than | eater |            |            |   |
| operating at greater    | 240  | than  |            |            |   |
| than 240 V and rated    | V    | 225 A |            |            |   |
| greater than 225A       |      |       |            |            |   |
+-------------------------+------+-------+------------+------------+---+
|                         |      |       | Work       | PPE as     |   |
|                         |      |       | Planning   | listed on  |   |
|                         |      |       | performs   | Permit     |   |
|                         |      |       | arc flash  |            |   |
|                         |      |       | analysis   |            |   |
+-------------------------+------+-------+------------+------------+---+
|                         |      |       | No Arc     | NFPA 70E   |   |
|                         |      |       | Flash      | Cat.4      |   |
|                         |      |       | Hazard     |            |   |
|                         |      |       | Analysis   | (40        |   |
|                         |      |       |            | Cal/cm^2^) |   |
+-------------------------+------+-------+------------+------------+---+

  

These new PPE requirements are based on arc-flash calculations or
voltage and ampere rating of the equipment rather than only voltage. Do
not wear "meltable" fiber clothing (acetate, nylon, polyester,
polypropylene, or spandex) underneath any required PPE clothing
(exception is incidental amount of elastic on underwear or socks). The
BNL required PPE differs from the NFPA 70E tables to provide an enhanced
margin of safety.

 

  -----------------------------------------------------------------------
  **Table 2. Protective Clothing Characteristics**

  -----------------------------------------------------------------------

+-----+----------------------------------------------------------------+
| **N | # PPE Required                                                 |
| FPA |                                                                |
| Cat |                                                                |
| .** |                                                                |
+-----+----------------------------------------------------------------+
|     | PPE as listed on the cover of the panel. An analysis of the    |
|     | available arc flash energy has been performed and PPE required |
|     | is specific to this device, but in all circumstances you will  |
|     | require safety glasses with side shields.                      |
+-----+----------------------------------------------------------------+
| 0 + | BNL is increasing the NFPA 70E Cat. 0 required PPE (i.e.,      |
|     | non-melting, flammable natural materials (untreated 100%       |
|     | cotton, wool, rayon^2^, or silk, or blends of these materials  |
|     | with a fabric weight of at least 4.5 oz/yd^2^) long-sleeve     |
|     | shirt and long pants) PLUS leather gloves (minimum leather     |
|     | palm with cotton back: BNL \# K62980), and safety glasses with |
|     | side shields. (Cal/cm^2^ N/A)                                  |
+-----+----------------------------------------------------------------+
| 2   | Cotton underwear and FR long-sleeve shirts and FR long pants,  |
|     | hardhat with arc rated face shield: BNL \# K64942 (protective  |
|     | storage bag for face shield and hat: K64793), safety glasses,  |
|     | all leather gloves: BNL \# K62902, leather work shoes, and     |
|     | hearing protection. (Cal/cm^2^ 8) (Cotton underwear not        |
|     | required with 8 Cal/cm^2^ FR long-sleeve shirts and FR long    |
|     | pants)                                                         |
+-----+----------------------------------------------------------------+
| 4   | Cotton underwear plus FR shirt and FR pants plus multilayer    |
|     | flash suit, hardhat, safety glasses, Flash Suit hood, hearing  |
|     | protection, leather gloves, and leather work shoes. (Cal/cm^2^ |
|     | 40)                                                            |
+-----+----------------------------------------------------------------+

Note 1: These requirements are for operating switches and disconnects.
For working on equipment powered from switches or disconnects, refer to
tables below for required PPE unless specific arc-flash information is
listed on the equipment or in Work Planning documentation.

 

Note 2: Rayon, a natural fiber made from cellulose, is allowed in NFPA
70E.

 

Note 3: The equipment Ampere rating is always the nameplate rating of
the panel that the switch or circuit breaker is installed in and the
Voltage is the line-to-line operating Voltage of the equipment.

 

Note 4: In the C-AD complex, switches and breakers tapped from "Royal
Switches" must use the Royal Switch Rating (greater than 225 A).

+-----------------------------------------------------------------------+
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   |                              |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | **Protective Clothing and    |      |   |     |     |     |     | |
| |                                                                     |
|   | Personal Protective          |      |   |     |     |     |     | |
| |                                                                     |
|   | Equipment (PPE) Matrix**     |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   |                              |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | **Protective\                | **Pr |   |     |     |     |     | |
| |                                                                     |
|   | Clothing &\                  | otec |   |     |     |     |     | |
| |                                                                     |
|   | Equipment**                  | tive |   |     |     |     |     | |
| |                                                                     |
|   |                              | Sys  |   |     |     |     |     | |
| |                                                                     |
|   |                              | tems |   |     |     |     |     | |
| |                                                                     |
|   |                              | for  |   |     |     |     |     | |
| |                                                                     |
|   |                              | Haz  |   |     |     |     |     | |
| |                                                                     |
|   |                              | ard/ |   |     |     |     |     | |
| |                                                                     |
|   |                              | Risk |   |     |     |     |     | |
| |                                                                     |
|   |                              | Ca   |   |     |     |     |     | |
| |                                                                     |
|   |                              | tego |   |     |     |     |     | |
| |                                                                     |
|   |                              | ry** |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   |                              |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | **Hazard/Risk\               | *    | * | **  | **  | **  | **  | |
| |                                                                     |
|   | Category Number**            | *-1\ | * | 1** | 2** | 3** | 4** | |
| |                                                                     |
|   |                              | \[   | 0 |     |     |     |     | |
| |                                                                     |
|   |                              | Note | * |     |     |     |     | |
| |                                                                     |
|   |                              | 3    | * |     |     |     |     | |
| |                                                                     |
|   |                              | \]** |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   |                              |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | **Untreated Natural\         | ---  | - | --- | --- | --- | --- | |
| |                                                                     |
|   | Fiber**                      |      | - |     |     |     |     | |
| |                                                                     |
|   |                              |      | - |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | a\. T-shirt (short sleeve)   | X    |   |     | X   | X   | X   | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | b\. Shirt (long sleeve)      |      | X |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | c\. Pants (long)             | X    | X | X\  | X\  | X   | X   | |
| |                                                                     |
|   |                              |      |   | \[N | \[N |     |     | |
| |                                                                     |
|   |                              |      |   | ote | ote |     |     | |
| |                                                                     |
|   |                              |      |   | 4\] | 6\] |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   |                              |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | **FR Clothing\               | ---  | - | --- | --- | --- | --- | |
| |                                                                     |
|   | \[Note 1\]**                 |      | - |     |     |     |     | |
| |                                                                     |
|   |                              |      | - |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | a\. Long-sleeve\             |      |   | X   | X   | X\  | X   | |
| |                                                                     |
|   | shirt                        |      |   |     |     | \[N |     | |
| |                                                                     |
|   |                              |      |   |     |     | ote |     | |
| |                                                                     |
|   |                              |      |   |     |     | 9\] |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | b\. Pants                    |      |   | X\  | X\  | X\  | X   | |
| |                                                                     |
|   |                              |      |   | \[N | \[N | \[N |     | |
| |                                                                     |
|   |                              |      |   | ote | ote | ote |     | |
| |                                                                     |
|   |                              |      |   | 4   | 6\] | 9\] |     | |
| |                                                                     |
|   |                              |      |   | \]) |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | c\. Coverall                 |      |   | \[N | \[N | X\  | \[N | |
| |                                                                     |
|   |                              |      |   | ote | ote | \   | ote | |
| |                                                                     |
|   |                              |      |   | 5\] | 7\] | [(N | 9\] | |
| |                                                                     |
|   |                              |      |   |     |     | ote |     | |
| |                                                                     |
|   |                              |      |   |     |     | 9\] |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | d\. Jacket, parka,\          |      |   | AN  | AN  | AN  | AN  | |
| |                                                                     |
|   | or rainwear                  |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   |                              |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | **FR Protective\             | ---  | - | --- | --- | --- | --- | |
| |                                                                     |
|   | Equipment**                  |      | - |     |     |     |     | |
| |                                                                     |
|   |                              |      | - |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | a\. Flash suit\              |      |   |     |     |     | X   | |
| |                                                                     |
|   | jacket (2-layer)             |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
| * |                              |      |   |     |     |     |     | |
| |                                                                     |
| * |                              |      |   |     |     |     |     | |
| |                                                                     |
| P |                              |      |   |     |     |     |     | |
| |                                                                     |
| r |                              |      |   |     |     |     |     | |
| |                                                                     |
| o |                              |      |   |     |     |     |     | |
| |                                                                     |
| t |                              |      |   |     |     |     |     | |
| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
| g |                              |      |   |     |     |     |     | |
| |                                                                     |
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| |                                                                     |
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| |                                                                     |
| d |                              |      |   |     |     |     |     | |
| |                                                                     |
| P |                              |      |   |     |     |     |     | |
| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
| a |                              |      |   |     |     |     |     | |
| |                                                                     |
| l |                              |      |   |     |     |     |     | |
| |                                                                     |
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| |                                                                     |
| r |                              |      |   |     |     |     |     | |
| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
| t |                              |      |   |     |     |     |     | |
| |                                                                     |
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| |                                                                     |
| v |                              |      |   |     |     |     |     | |
| |                                                                     |
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| |                                                                     |
| q |                              |      |   |     |     |     |     | |
| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
| x |                              |      |   |     |     |     |     | |
| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
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| |                                                                     |
| d |                              |      |   |     |     |     |     | |
| |                                                                     |
| ) |                              |      |   |     |     |     |     | |
| |                                                                     |
| * |                              |      |   |     |     |     |     | |
| |                                                                     |
| * |                              |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | b\. Flash suit\              |      |   |     |     |     | X   | |
| |                                                                     |
|   | pants\                       |      |   |     |     |     |     | |
| |                                                                     |
|   | (2-layer)                    |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | c\. Head protection          | ---  | - | --- | --- | --- | --- | |
| |                                                                     |
|   |                              |      | - |     |     |     |     | |
| |                                                                     |
|   |                              |      | - |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | -   Hard hat                 |      |   | X   | X   | X   | X   | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | -   FR hard hat\             |      |   |     |     | AR  | AR  | |
| |                                                                     |
|   |     liner                    |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | d\. Eye protection           | ---  | - | --- | --- | --- | --- | |
| |                                                                     |
|   |                              |      | - |     |     |     |     | |
| |                                                                     |
|   |                              |      | - |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | -   Safety glasses           | X    | X | X   | AL  | AL  | AL  | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | -   Safety goggles           |      |   |     | AL  | AL  | AL  | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | e\. Face and\                | ---  | - | --- | --- | --- | --- | |
| |                                                                     |
|   | head protection              |      | - |     |     |     |     | |
| |                                                                     |
|   |                              |      | - |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | -   Arc-rated face shield,   |      |   |     | X\  | X   | X   | |
| |                                                                     |
|   |     or flash hood            |      |   |     | \[N |     |     | |
| |                                                                     |
|   |                              |      |   |     | ote | X   | X   | |
| |                                                                     |
|   | -   Double-layer switching   |      |   |     | 8\] |     |     | |
| |                                                                     |
|   |     hood                     |      |   |     |     |     |     | |
| |                                                                     |
|   |                              |      |   |     | X\  |     |     | |
| |                                                                     |
|   | -   Hearing protection (ear  |      |   |     | \[N |     |     | |
| |                                                                     |
|   |     canal\                   |      |   |     | ote |     |     | |
| |                                                                     |
|   |     inserts)                 |      |   |     | 8\] |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | f\. Leather gloves\          |      | X | X   | X   | X   | X   | |
| |                                                                     |
|   | \[Note 2\]                   |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | g\. Leather work\            |      |   | AN  | X   | X   | X   | |
| |                                                                     |
|   | shoes                        |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   |                              |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   | **Hazard/Risk\               | *    | * | **  | **  | **  | **  | |
| |                                                                     |
|   | Category Number**            | *-1\ | * | 1** | 2** | 3** | 4** | |
| |                                                                     |
|   |                              | \[   | 0 |     |     |     |     | |
| |                                                                     |
|   |                              | Note | * |     |     |     |     | |
| |                                                                     |
|   |                              | 3    | * |     |     |     |     | |
| |                                                                     |
|   |                              | \]** |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
| |                                                                     |
|   |                              |      |   |     |     |     |     | |
| +-                                                                    |
| --+------------------------------+------+---+-----+-----+-----+-----+ |
+-----------------------------------------------------------------------+

 

**Legend:\
AN = As needed\
AL = Select one in group\
AR = As required\
X = Minimum required\
Notes:\
1. See the table below (ATPV is the Arc Thermal Performance Exposure
Value for a garment in cal/cm²).\
2. If voltage-rated gloves are required, the leather protectors worn
external to the rubber gloves satisfy this requirement.\
3. Class -1 is only defined if determined by Notes 3 or 6 of the Hazard
Risk Category Table.\
4. Regular weight (minimum 12 oz/yd² fabric weight), untreated, denim
cotton blue jeans are acceptable in lieu of FR pants. The FR pants used
for Hazard/Risk Category 1 shall have a minimum ATPV of 5.\
5. Alternate is to use FR coveralls (minimum ATPV of 5) instead of FR
shirt and FR pants.\
6. If the FR pants have a minimum ATPV of 8, long pants of untreated
natural fiber are not required beneath the FR pants.\
7. Alternate is to use FR coveralls (minimum ATPV of 5) over untreated
natural fiber pants and T-shirt.\
8. A double-layer switching hood and hearing protection or Salisbury
Model AS1000FS Hard Hat with face shield and chin cup used with 10
cal/cm^2^ AFHOOD 10 Nomex-Lenzing Balaclava/Racing hood are required for
the tasks designated 2\* in the table.\
9. Alternate is to use two sets of FR coveralls (each with a minimum
ATPV of 5) over untreated natural fiber clothing, instead of FR
coveralls over FR shirt and FR pants over untreated natural fiber
clothing.**

 

 

+-----------------------------------------------------------------------+
|   -------------                                                       |
| ------ -------------------------------------- ---------- ------------ |
|   *                                                                   |
| *Protective                                                           |
|   C                                                                   |
| lothing                                                               |
|   C                                                                   |
| haracteristics**                                                      |
|                                                                       |
|                                                                       |
|                                                                       |
|                                                                       |
|   *                                                                   |
| *Typical                                                              |
|   P                                                                   |
| rotective Clothing                                                    |
|   S                                                                   |
| ystems**                                                              |
|                                                                       |
|                                                                       |
|                                                                       |
|                                                                       |
|   **Hazard\                                                           |
|          **Clothing Description\                **Total    **Required |
|   Risk\                                                               |
|         (Typical Number of clothing layers is\ Weight\    Minimum Arc |
|   Category                                                            |
| **          given in parentheses)**                oz/yd²**   Rating\ |
|                                                                       |
|                                                                of PPE |
|                                                                       |
|                                                             cal/cm²** |
|                                                                       |
|                                                                       |
|                                                                       |
|                                                                       |
|   0                                                                   |
|                 Non-melting, flammable materials       4.5 -- 7   N/A |
|                                                                       |
|                    (i.e., untreated cotton, wool, rayon,              |
|                                                                       |
|                    or silk, or blends of these materials)             |
|                                                                       |
|                    with a fabric weight of at lest 4.5                |
|                                                                       |
|                    oz/yd² (1)                                         |
|                                                                       |
|   1                                                                   |
|                   FR shirt and FR pants, or FR coverall  4.5 -- 8   4 |
|                                                                       |
|                    (1)                                                |
|                                                                       |
|   2                                                                   |
|                   Cotton underwear plus FR\              9 -- 12    8 |
|                                                                       |
|                    shirt and FR pants (1 or 2)                        |
|                                                                       |
|   3                                                                   |
|                  Cotton underwear plus FR\              16 -- 20   25 |
|                                                                       |
|                    shirt and FR pants plus FR\                        |
|                                                                       |
|                    coverall (2 or 3)                                  |
|                                                                       |
|   4                                                                   |
|                  Cotton underwear plus FR\              24 -- 30   40 |
|                                                                       |
|                    shirt and FR pants plus double\                    |
|                                                                       |
|                    layer switching coat and\                          |
|                                                                       |
|                    pants (3 or more)                                  |
|                                                                       |
|                                                                       |
|                                                                       |
|                                                                       |
|   *                                                                   |
| *\*ATPV is defined                                                    |
|   i                                                                   |
| n the ASTM P S58                                                      |
|   s                                                                   |
| tandard arc test                                                      |
|   m                                                                   |
| ethod for flame                                                       |
|   r                                                                   |
| esistant (FR)                                                         |
|   f                                                                   |
| abrics as the                                                         |
|   i                                                                   |
| ncident energy                                                        |
|   t                                                                   |
| hat would just                                                        |
|   c                                                                   |
| ause the onset of                                                     |
|   a                                                                   |
|  second degree                                                        |
|   b                                                                   |
| urn (1.2 cal/cm²).                                                    |
|   E                                                                   |
| BT is reported                                                        |
|   a                                                                   |
| ccording to ASTM P                                                    |
|   S                                                                   |
| 58 and is defined                                                     |
|   a                                                                   |
| s the highest                                                         |
|   i                                                                   |
| ncident energy                                                        |
|   w                                                                   |
| hich did not cause                                                    |
|   F                                                                   |
| R fabric breakopen                                                    |
|   a                                                                   |
| nd did not exceed                                                     |
|   t                                                                   |
| he second-degree                                                      |
|   b                                                                   |
| urn criteria. EBT                                                     |
|   i                                                                   |
| s reported when                                                       |
|   A                                                                   |
| TPV cannot be                                                         |
|   m                                                                   |
| easured due to FR                                                     |
|   f                                                                   |
| abric breakopen.**                                                    |
|   -------------                                                       |
| ------ -------------------------------------- ---------- ------------ |
+-----------------------------------------------------------------------+

+---------------------------------------------------------------------+---+
| **Hazard Risk Category 2:** This protection level could be obtained |   |
| with cotton underwear plus FR shirt and FR pants or FR shirt and FR |   |
| pants plus single layer 4.6 - 9.8 oz. Weave in the form of coverall |   |
| or lab coat.                                                        |   |
|                                                                     |   |
| **Hazard Risk Category 3:** This protection level could be obtained |   |
| with cotton underwear plus FR shirt and FR pants plus FR overall,   |   |
| or FR shirt and FR pants plus single layer 9.8 oz. coverall or 13   |   |
| oz. FR coat. Face protection would require safety glasses or        |   |
| goggles plus double layer switching hood.                           |   |
|                                                                     |   |
| **Hazard Risk Category 4:** This protection level could be obtained |   |
| with cotton underwear plus FR shirt and FR pants plus either 31     |   |
| cal/cm², 40 cal/cm² or 100 cal/cm² double-layer switching jackets   |   |
| and pants plus 40 cal/cm² or 100 cal/cm² double layer switching     |   |
| hood. Safety glasses or goggles are still required.                 |   |
|                                                                     |   |
|                                                                     |   |
+---------------------------------------------------------------------+---+
| Portions reprinted from NFPA 70E Standard for Electrical Safety     |   |
| Requirements for Employee Workplaces                                |   |
+---------------------------------------------------------------------+---+