reglab/statecodes huggingface dataset:
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36606 - Ampere rating for outlet devices

Current through Register Vol. 24-14, July 15, 2024
Outlet devices must have an ampere rating at least equal to
					 the load served.
97-09-013, recodified as § 296-307-36606, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36606, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36609 - Conductors

Current through Register Vol. 24-14, July 15, 2024
This section applies to branch circuit, feeder, and service
					 conductors rated 600 volts, nominal, or less and run outdoors as open
					 conductors.
(1) Conductors supported
				  on poles must provide a horizontal climbing space of at least the following:
(a) For power conductors below communication
				  conductors, 30 inches.
(b) For
				  power conductors alone or above communication conductors:
(i) 300 volts or less, 24 inches;
(ii) More than 300 volts, 30
				  inches.
(c) For
				  communication conductors below power conductors with power conductors of:
(i) 300 volts or less, 24 inches;
(ii) More than 300 volts, 30
				  inches.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36612 - Design and protection requirements that apply to service-entrances

Current through Register Vol. 24-14, July 15, 2024
(1) Disconnecting
				  means for service-entrances must meet the following requirements:
(a) Means must be provided to disconnect all
				  conductors in a building or other structure from the service-entrance
				  conductors. The disconnecting means must plainly indicate whether it is in the
				  open or closed position and must be installed at a readily accessible location
				  nearest the point of entrance of the service-entrance conductors.
(b) Each service disconnecting means must
				  disconnect all ungrounded conductors at the same time.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36615 - Overcurrent protection

Current through Register Vol. 24-14, July 15, 2024
(1)
				  The following requirements apply to overcurrent protection of circuits rated
				  600 volts, nominal, or less.
(a) Conductors
				  and equipment must be protected from overcurrent according to their ability to
				  safely conduct current.
(b) Except
				  for motor running overload protection, over-current devices must not interrupt
				  the continuity of the grounded conductor unless all conductors of the circuit
				  are opened at the same time.
(c)
				  Except for service fuses, all cartridge fuses that are accessible to other than
				  qualified persons and all fuses and thermal cutouts on circuits over 150 volts
				  to ground must have disconnecting means. This disconnecting means must be
				  installed so that the fuse or thermal cutout can be disconnected from its
				  supply without disrupting service to equipment and circuits unrelated to those
				  protected by the overcurrent device.
(d) Overcurrent devices must be readily
				  accessible to each employee or authorized building management personnel. These
				  overcurrent devices must be located where they will be protected against
				  physical damage and away from easily ignitable material.
(e) Fuses and circuit breakers must be
				  located or shielded so that employees will not be burned or otherwise injured
				  by their operation.
(f) Circuit
				  breakers must meet the following requirements:
(i) Circuit breakers must clearly indicate
				  whether they are in the open (off) or closed (on) position.
(ii) Where circuit breaker handles on
				  switchboards are operated vertically rather than horizontally or rotationally,
				  the up position of the handle must be the closed (on) position.
(iii) If used as switches in 120-volt,
				  fluorescent lighting circuits, circuit breakers must be approved for the
				  purpose and marked "SWD."
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36618 - Grounding for premises wiring systems

Current through Register Vol. 24-14, July 15, 2024
The following systems that supply premises wiring must be
					 grounded:
(1) All 3-wire DC systems
				  must have their neutral conductor grounded.
(2) Two-wire DC systems operating at 50-300
				  volts between conductors must be grounded.
Exception:
This requirement does not apply if: 1. They supply
							 only industrial equipment in limited areas and are equipped with a ground
							 detector; or 2. They are rectifier-derived from an AC system that meets the
							 requirements of subsections (3), (4), and (5) of this section; or 3. They are
							 fire-protective signaling circuits with a maximum current of 0.030 amperes.
(3) AC circuits of less than 50 volts must be
				  grounded if they are installed as overhead conductors outside of buildings or
				  if they are supplied by transformers and the transformer primary supply system
				  is ungrounded or exceeds 150 volts to ground.
(4) AC systems of 50-1000 volts must be
				  grounded under any of the following conditions:
(a) If the system can be grounded so that the
				  maximum voltage to ground on the ungrounded conductors is a maximum of 150
				  volts;
(b) If the system is
				  nominally rated 480Y/277 volt, 3-phase, 4-wire in which the neutral is used as
				  a circuit conductor;
(c) If the
				  system is nominally rated 240/120 volt, 3-phase, 4-wire in which the midpoint
				  of one phase is used as a circuit conductor; or
(d) If a service conductor is
				  uninsulated.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36621 - Grounding the conductor in AC premises wiring

Current through Register Vol. 24-14, July 15, 2024
For AC premises wiring systems the identified conductor
					 must be grounded.
97-09-013, recodified as § 296-307-36621, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36621, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36624 - General requirements that apply to grounding conductors

Current through Register Vol. 24-14, July 15, 2024
(1) For a grounded
				  system, a grounding electrode conductor must be used to connect both the
				  equipment grounding conductor and the grounded circuit conductor to the
				  grounding electrode. Both the equipment grounding conductor and the grounding
				  electrode conductor must be connected to the grounded circuit conductor on the
				  supply side of the service disconnecting means, or on the supply side of the
				  system disconnecting means or overcurrent devices if the system is separately
				  derived.
(2) For an ungrounded
				  service-supplied system, the equipment grounding conductor must be connected to
				  the grounding electrode conductor at the service equipment. For an ungrounded
				  separately derived system, the equipment grounding conductor must be connected
				  to the grounding electrode conductor at, or ahead of, the system disconnecting
				  means or overcurrent devices.
(3)
				  On extensions of existing branch circuits that do not have an equipment
				  grounding conductor, grounding-type receptacles may be grounded to a grounded
				  cold water pipe near the equipment.
97-09-013, recodified as § 296-307-36624, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36624, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36627 - Continuous path to ground

Current through Register Vol. 24-14, July 15, 2024
The path to ground from circuits, equipment, and enclosures
					 must be permanent and continuous.
97-09-013, recodified as § 296-307-36627, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36627, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36630 - Grounding supports, enclosures, and equipment

Current through Register Vol. 24-14, July 15, 2024
(1) Metal cable trays, metal raceways, and
				  metal enclosures for conductors must be grounded.
Exceptions:
1. Metal enclosures such as sleeves that are used
								to protect cable assemblies from physical damage need not be grounded;
								or
2. Metal enclosures for conductors added to
								existing installations of open wire, knob-and-tube wiring, and
								nonmetallic-sheathed cable need not be grounded if all of the following
								conditions are met:
a. Runs are less than 25 feet;
b. Enclosures are free from probable contact with
								ground, grounded metal, metal laths, or other conductive materials; and
c. Enclosures are guarded against employee
								contact.
(2) Metal enclosures for service equipment
				  must be grounded.
(3) Frames of
				  electric ranges, wall-mounted ovens, counter-mounted cooking units, clothes
				  dryers, and metal outlet or junction boxes that are part of the circuit for
				  these appliances must be grounded.
(4) Exposed noncurrent-carrying metal parts
				  of fixed equipment that may become energized must be grounded under any of the
				  following conditions:
(a) If within 8 feet
				  vertically or 5 feet horizontally of ground or grounded metal objects and
				  subject to employee contact;
(b) If
				  located in a wet or damp location and not isolated;
(c) If in electrical contact with
				  metal;
(d) If in a hazardous
				  (classified) location;
(e) If
				  supplied by a metal-clad, metal-sheathed, or grounded metal raceway wiring
				  method;
(f) If equipment operates
				  with any terminal at over 150 volts to the ground; however, the following need
				  not be grounded:
(i) Enclosures for switches
				  or circuit breakers used for other than service equipment and accessible to
				  qualified persons only;
(ii) Metal
				  frames of electrically heated appliances that are permanently and effectively
				  insulated from ground; and
(iii)
				  The cases of distribution apparatus such as transformers and capacitors mounted
				  on wooden poles that are over 8 feet above ground or grade level.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36633 - Grounding fixed equipment

Current through Register Vol. 24-14, July 15, 2024
(1)
				  Noncurrent-carrying metal parts of fixed equipment, if required to be grounded
				  by this section, must be grounded by an equipment grounding conductor that is
				  contained within the same raceway, cable, or cord, or runs with or encloses the
				  circuit conductors. For DC circuits only, the equipment grounding conductor may
				  be run separately from the circuit conductors.
(2) Electric equipment is considered grounded
				  if it is secured to, and in electrical contact with, a metal rack or structure
				  that is provided for its support and the metal rack or structure is grounded as
				  described above.
For installations made before May 30, 1982, electric
					 equipment is also considered grounded if it is secured to, and in metallic
					 contact with, the grounded structural metal frame of a building. Metal car
					 frames supported by metal hoisting cables attached to or running over metal
					 sheaves or drums of grounded elevator machines are also considered
					 grounded.
97-09-013, recodified as § 296-307-36633, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36633, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36636 - Grounding high voltage systems

Current through Register Vol. 24-14, July 15, 2024
Grounded high voltage (1000 volts or more) systems and
					 circuits must meet all requirements of WAC
					 296-307-366
					 and the additional requirements of this section.
(1) Systems supplying portable or mobile high
				  voltage equipment, other than substations installed on a temporary basis, must
				  meet the following requirements:
(a) Portable
				  and mobile high voltage equipment must be supplied from a system having its
				  neutral grounded through an impedance. If a delta-connected high voltage system
				  is used to supply the equipment, a system neutral must be derived.
(b) Exposed noncurrent-carrying metal parts
				  of portable and mobile equipment must be connected by an equipment grounding
				  conductor to the point at which the system neutral impedance is
				  grounded.
(c) Ground-fault
				  detection and relaying must be provided to automatically deenergize any high
				  voltage system component that has developed a ground fault. The continuity of
				  the equipment grounding conductor must be continuously monitored to deenergize
				  automatically the high voltage feeder to the portable equipment on loss of
				  continuity of the equipment grounding conductor.
(d) The grounding electrode to which the
				  portable or mobile equipment system neutral impedance is connected must be
				  isolated from and separated in the ground by at least 20 feet from any other
				  system or equipment grounding electrode. There must be no direct connection
				  between the grounding electrodes, such as buried pipe, fence, etc.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-368 - Wiring methods, components, and equipment for general use

Current through Register Vol. 24-14, July 15, 2024
97-09-013, recodified as § 296-307-368, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-368, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36803 - Factory-assembled equipment

Current through Register Vol. 24-14, July 15, 2024
WAC
					 296-307-368
					 does not apply to conductors that are an integral part of factory-assembled
					 equipment.
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-36803,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-36803,
						filed 4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040, [49.17.]050 and [49.17.]060.
						96-22-048, § 296-307-36803, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36806 - Temporary wiring

Current through Register Vol. 24-14, July 15, 2024
Temporary electrical power and lighting wiring methods may
					 be of a class less than would be required for a permanent installation. All
					 requirements for permanent wiring apply to temporary wiring installations,
					 except as indicated in this section.
(1) Temporary electrical power and lighting
				  installations 600 volts, nominal, or less must only be used:
(a) During and for remodeling, maintenance,
				  repair, or demolition of buildings, structures, or equipment, and similar
				  activities;
(b) For experimental or
				  development work; and
(c) For a
				  maximum of 90 days for Christmas lighting and similar purposes.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36809 - Cable trays

Current through Register Vol. 24-14, July 15, 2024
(1) Only the
				  following may be installed in cable tray systems:
(a) Mineral-insulated metal-sheathed cable
				  (Type MI);
(b) Armored cable (Type
				  AC);
(c) Metal-clad cable (Type
				  MC);
(d) Power-limited tray cable
				  (Type PLTC);
(e)
				  Nonmetallic-sheathed cable (Type NM or NMC);
(f) Shielded nonmetallic-sheathed cable (Type
				  SNM);
(g) Multiconductor
				  service-entrance cable (Type SE or USE);
(h) Multiconductor underground feeder and
				  branch-circuit cable (Type UF);
(i)
				  Power and control tray cable (Type TC);
(j) Other factory-assembled, multiconductor
				  control, signal, or power cables that are specifically approved for
				  installation in cable trays; or
(k)
				  Any approved conduit or raceway with its contained conductors.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36812 - Open wiring on insulators

Current through Register Vol. 24-14, July 15, 2024
(1) Open wiring on insulators is only
				  permitted on systems of 600 volts, nominal, or less for industrial or
				  agricultural establishments and for services.
(2) Conductors must be rigidly supported on
				  noncombustible, nonabsorbent insulating materials and must not contact any
				  other objects.
(3) In dry locations
				  with no exposure to severe physical damage, conductors may be separately
				  enclosed in flexible nonmetallic tubing. The tubing must be in continuous
				  lengths a maximum of 15 feet and secured to the surface by straps at maximum
				  intervals of 4 feet 6 inches.
(4)
				  Open conductors must be separated from contact with walls, floors, and wood
				  cross members, or partitions through which they pass by tubes or bushings of
				  noncombustible, nonabsorbent insulating material. If the bushing is shorter
				  than the hole, a waterproof sleeve of nonconductive material must be inserted
				  in the hole and an insulating bushing slipped into the sleeve at each end to
				  keep the conductors completely out of contact with the sleeve. Each conductor
				  must be carried through a separate tube or sleeve.
(5) Conductors within 7 feet of the floor are
				  considered exposed to physical damage. Where open conductors cross ceiling
				  joints and wall studs and are exposed to physical damage, they must be
				  protected.
97-09-013, recodified as § 296-307-36812, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36812, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36815 - Wiring requirements that apply to cabinets, boxes, and fittings

Current through Register Vol. 24-14, July 15, 2024
(1) Conductors
				  entering boxes, cabinets, or fittings must be protected from abrasion, and
				  openings through which conductors enter must be closed. Unused openings in
				  cabinets, boxes, and fittings must also be closed.
(2) All pull boxes, junction boxes, and
				  fittings must have covers approved for the purpose. All metal covers must be
				  grounded. In completed installations each outlet box must have a cover,
				  faceplate, or fixture canopy. A cover of an outlet box with holes through which
				  a flexible cord pendant passes must have bushings designed for the purpose or
				  have a smooth, well-rounded surface for the cord to run on.
(3) All pull and junction boxes for systems
				  over 600 volts, nominal, must meet the following requirements:
(a) Boxes must provide a complete enclosure
				  for the contained conductors or cables.
(b) Boxes must be closed by suitable covers
				  securely fastened in place. Underground box covers that weigh over 100 pounds
				  meet this requirement. Covers for boxes must be permanently marked "HIGH
				  VOLTAGE." The marking must be on the outside of the box cover and must be
				  readily visible and legible.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36818 - Switches

Current through Register Vol. 24-14, July 15, 2024
(1) Single-throw
				  knife switches must be connected so that the blades are dead when the switch is
				  in the open position. Single-throw knife switches must be placed so that
				  gravity will not tend to close them. Single-throw knife switches approved for
				  use in the inverted position must have a locking device that keeps the blades
				  open when set. Double-throw knife switches may be mounted so that the throw
				  will be either vertical or horizontal. However, if the throw is vertical a
				  locking device must be provided to ensure that the blades remain open when so
				  set.
(2) Flush snap switches that
				  are mounted in ungrounded metal boxes and located within reach of conducting
				  floors or other conducting surfaces must have faceplates of nonconducting,
				  noncombustible material.
97-09-013, recodified as § 296-307-36818, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36818, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36821 - Location of switchboards and panelboards

Current through Register Vol. 24-14, July 15, 2024
Switchboards that have any exposed live parts must be
					 located in permanently dry locations and accessible only to qualified persons.
					 Panelboards must be mounted in cabinets, cutout boxes, or enclosures approved
					 for the purpose and must be dead front. However, panelboards other than the
					 dead front externally operable type are permitted where accessible only to
					 qualified persons. Exposed blades of knife switches must be dead when
					 open.
97-09-013, recodified as § 296-307-36821, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36821, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36824 - Insulating conductors

Current through Register Vol. 24-14, July 15, 2024
All conductors used for general wiring must be insulated
					 unless otherwise permitted in this section. The conductor insulation must be
					 approved for the voltage, operating temperature, and location of use. Insulated
					 conductors must be distinguishable by appropriate color or other means as
					 grounded conductors, ungrounded conductors, or equipment grounding
					 conductors.
97-09-013, recodified as § 296-307-36824, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36824, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36827 - Use of flexible cords and cables

Current through Register Vol. 24-14, July 15, 2024
(1) Flexible cords and cables must be
				  approved and suitable for conditions of use and location. Flexible cords and
				  cables must be used only for:
(a)
				  Pendants;
(b) Wiring of
				  fixtures;
(c) Connection of
				  portable lamps or appliances;
(d)
				  Elevator cables;
(e) Wiring of
				  cranes and hoists;
(f) Connection
				  of stationary equipment to facilitate frequent interchange;
(g) Prevention of the transmission of noise
				  or vibration;
(h) Appliances where
				  the fastening means and mechanical connections are designed to permit removal
				  for maintenance and repair; or
(i)
				  Data processing cables approved as a part of the data processing
				  system.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36830 - Identification, splicing and termination of flexible cords and cables

Current through Register Vol. 24-14, July 15, 2024
(1) A conductor of
				  a flexible cord or cable that is used as a grounded conductor or an equipment
				  grounding conductor must be distinguishable from other conductors. Types SJ,
				  SJO, SJT, SJTO, S, SO, ST, and STO must be durably marked on the surface with
				  the type designation, size, and number of conductors.
(2) Flexible cords must be used only in
				  continuous lengths without splice or tap. Vulcanized splices or equivalent
				  means such as systems using shrinkable materials may be used to repair flexible
				  cords. Hard service flexible cords No. 12 or larger may be repaired by splice
				  if the splice retains the insulation, outer sheath properties, and usage
				  characteristics of the cord being spliced.
(3) Flexible cords must be connected to
				  devices and fittings so that strain relief is provided to prevent pull from
				  being directly transmitted to joints or terminal screws.
97-09-013, recodified as § 296-307-36830, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36830, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36833 - Multiconductor portable cable

Current through Register Vol. 24-14, July 15, 2024
Multiconductor portable cable for use in supplying power to
					 portable or mobile equipment at over 600 volts, nominal, must consist of No. 8
					 or larger conductors employing flexible stranding. Cables operated at over
					 2,000 volts must be shielded to confine the voltage stresses to the insulation.
					 Grounding conductors must be provided. Connectors for these cables must be
					 locking with provisions to prevent their opening or closing while energized.
					 Strain relief must be provided at connections and terminations. Portable cables
					 must not be operated with splices unless the splices are permanent molded,
					 vulcanized, or other approved type. Termination enclosures must be suitably
					 marked with a high voltage hazard warning, and terminations must be accessible
					 only to authorized and qualified personnel.
97-09-013, recodified as § 296-307-36833, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36833, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36836 - Use of fixture wires

Current through Register Vol. 24-14, July 15, 2024
(1) A
				  fixture wire must be approved for the voltage, temperature, and location of
				  use. A fixture wire used as a grounded conductor must be identified.
(2) Fixture wires may be used:
(a) For installation in lighting fixtures and
				  in similar equipment where enclosed or protected and not subject to bending or
				  twisting in use; or
(b) For
				  connecting lighting fixtures to the branch-circuit conductors supplying the
				  fixtures.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36839 - Wiring for lighting fixtures, lampholders, lamps, and receptacles

Current through Register Vol. 24-14, July 15, 2024
(1) Fixtures,
				  lampholders, lamps, rosettes, and receptacles must have no live parts normally
				  exposed to employee contact. However, rosettes and cleat-type lampholders and
				  receptacles located at least 8 feet above the floor may have exposed
				  parts.
(2) Handlamps of the
				  portable type supplied through flexible cords must have a handle of molded
				  composition or other material approved for the purpose, and a substantial guard
				  must be attached to the lampholder or the handle.
(3) Lampholders of the screw-shell type must
				  be installed for use as lampholders only. Lampholders installed in wet or damp
				  locations must be weatherproof.
(4)
				  Fixtures installed in wet or damp locations must be approved for the purpose
				  and must be constructed or installed so that water cannot enter or accumulate
				  in wireways, lampholders, or other electrical parts.
97-09-013, recodified as § 296-307-36839, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36839, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36842 - Wiring for receptacles, cord connectors, and attachment plugs (caps)

Current through Register Vol. 24-14, July 15, 2024
(1) Receptacles,
				  cord connectors, and attachment plugs must be constructed so that no receptacle
				  or cord connector will accept an attachment plug with a different voltage or
				  current rating than that for which the device is intended. However, a 20-ampere
				  T-slot receptacle or cord connector may accept a 15-ampere attachment plug of
				  the same voltage rating.
(2) A
				  receptacle installed in a wet or damp location must be suitable for the
				  location.
97-09-013, recodified as § 296-307-36842, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36842, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36845 - Wiring for appliances

Current through Register Vol. 24-14, July 15, 2024
(1)
				  Appliances, other than those in which the current-carrying parts at high
				  temperatures are necessarily exposed, must have no live parts normally exposed
				  to employee contact.
(2) Each
				  appliance must have a disconnecting means.
(3) Each appliance must be marked with its
				  rating in volts and amperes or volts and watts.
97-09-013, recodified as § 296-307-36845, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36845, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36848 - Wiring for motors, motor circuits, and controllers

Current through Register Vol. 24-14, July 15, 2024
(1) If specified that one piece of equipment
				  must be "in sight from" another piece of equipment, one must be visible and not
				  more than 50 feet from the other.
(2) Disconnecting means must meet the
				  following requirements:
(a) A disconnecting
				  means must be located in sight from the controller location. However, a single
				  disconnecting means may be located adjacent to a group of coordinated
				  controllers mounted adjacent to each other or a multimotor continuous process
				  machine. The controller disconnecting means for motor branch circuits over 600
				  volts, nominal, may be out of sight of the controller, if the controller is
				  marked with a warning label giving the location and identification of the
				  disconnecting means which is to be locked in the open position.
(b) The disconnecting means must disconnect
				  the motor and the controller from all ungrounded supply conductors and must be
				  designed so that no pole can be operated independently.
(c) If a motor and the driven machinery are
				  not in sight from the controller location, the installation must meet one of
				  the following conditions:
(i) The controller
				  disconnecting means must be able to be locked in the open position.
(ii) A manually operable switch that will
				  disconnect the motor from its source of supply must be placed in sight from the
				  motor location.
(d) The
				  disconnecting means must plainly indicate whether it is in the open (off) or
				  closed (on) position.
(e) The
				  disconnecting means must be readily accessible. If more than one disconnect is
				  provided for the same equipment, only one need be readily accessible.
(f) An individual disconnecting means must be
				  provided for each motor, but a single disconnecting means may be used for a
				  group of motors under any of the following conditions:
(i) If a number of motors drive special parts
				  of a single machine or piece of apparatus, such as a metal or woodworking
				  machine, crane, or hoist; or
(ii)
				  If a group of motors is under the protection of one set of branch-circuit
				  protective devices; or
(iii) If a
				  group of motors is in a single room in sight from the location of the
				  disconnecting means.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36851 - Wiring for transformers

Current through Register Vol. 24-14, July 15, 2024
(1)
				  This section applies to the installation of all transformers.
Exceptions:
1. Current transformers;
2. Dry-type transformers installed as a component
								part of other apparatus;
3. Transformers that are an integral part of a
								high frequency or electrostatic-coating apparatus;
4. Transformers used with Class 2 and Class 3
								circuits, sign and outline lighting, electric discharge lighting, and
								power-limited fire-protective signaling circuits; and
5. Liquid-filled or dry-type transformers used for
								research, development, or testing, where effective safeguard arrangements are
								provided.
(2) The operating voltage of exposed live
				  parts of transformer installations must be indicated by warning signs or
				  visible markings on the equipment or structure.
(3) Dry-type, high fire point
				  liquid-insulated, and askarel-insulated transformers installed indoors and
				  rated over 35kV must be in a vault.
(4) If they present a fire hazard to
				  employees, oil-insulated transformers installed indoors must be in a
				  vault.
(5) Combustible material,
				  combustible buildings and parts of buildings, fire escapes, and door and window
				  openings must be safeguarded from fires that may originate in oil-insulated
				  transformers attached or adjacent to a building or combustible
				  material.
(6) Transformer vaults
				  must be constructed to contain fire and combustible liquids within the vault
				  and to prevent unauthorized access. Locks and latches must be arranged so that
				  a vault door can be readily opened from the inside.
(7) Any pipe or duct system foreign to the
				  vault installation must not enter or pass through a transformer
				  vault.
(8) Materials must not be
				  stored in transformer vaults.
97-09-013, recodified as § 296-307-36851, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36851, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36854 - Wiring for capacitors

Current through Register Vol. 24-14, July 15, 2024
(1)
				  All capacitors, except surge capacitors or capacitors included as a component
				  part of other apparatus, must have an automatic means of draining the stored
				  charge after the capacitor is disconnected from its source of supply.
(2) Capacitors rated over 600 volts, nominal,
				  must meet the following additional requirements:
(a) Isolating or disconnecting switches (with
				  no interrupting rating) must be interlocked with the load interrupting device
				  or must have prominently displayed caution signs to prevent switching load
				  current.
(b) For series capacitors,
				  the proper switching must be ensured by any of the following:
(i) Mechanically sequenced isolating and
				  bypass switches;
(ii) Interlocks;
				  or
(iii) Switching procedure
				  prominently displayed at the switching location.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36857 - Ventilation for stored batteries

Current through Register Vol. 24-14, July 15, 2024
The employer must ensure that there is sufficient
					 diffusion and ventilation of gases from storage batteries to prevent the
					 accumulation of explosive mixtures.
97-09-013, recodified as § 296-307-36857, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36857, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-36860 - Miscellaneous requirements that apply to wiring methods

Current through Register Vol. 24-14, July 15, 2024
(1) Metal raceways, cable armor, and other
				  metal enclosures for conductors must be metallically joined into a continuous
				  electric conductor and must be connected to all boxes, fittings, and cabinets
				  to provide effective electrical continuity.
(2) All wiring systems are prohibited from
				  being installed in ducts used to transport dust, loose stock or flammable
				  vapors. All wiring system are prohibited from being installed in any duct used
				  for vapor removal or for ventilation of commercial-type cooking equipment, or
				  in any shaft containing only such ducts.
97-09-013, recodified as § 296-307-36860, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-36860, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-370 - Special purpose equipment and installations

Current through Register Vol. 24-14, July 15, 2024
97-09-013, recodified as § 296-307-370, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-370, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-37003 - Cranes, hoists, and runways

Current through Register Vol. 24-14, July 15, 2024
The installation of electric equipment and wiring used with
					 cranes, monorail hoists, hoists, and all runways must meet the following
					 requirements:
(1) Disconnecting means
				  must meet the following requirements:
(a) A
				  readily accessible disconnecting means is provided between the runway contact
				  conductors and the power supply.
(b) Another disconnecting means, capable of
				  being locked in the open position, is provided in the leads from the runway
				  contact conductors or other power supply on any crane or monorail hoist.
(i) If this additional disconnection means is
				  not readily accessible from the crane or monorail hoist operating station,
				  means is provided at the operating station, to open the power circuit to all
				  motors of the crane or monorail hoist.
(ii) The additional disconnect may be omitted
				  if a monorail hoist or hand-propelled crane bridge installation meets all of
				  the following:
(A) The unit is floor
				  controlled;
(B) The unit is within
				  view of the power supply disconnecting means; and
(C) No fixed work platform has been provided
				  for servicing the unit.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-37006 - Elevators, dumbwaiters, escalators, and moving walks

Current through Register Vol. 24-14, July 15, 2024
(1) Elevators, dumbwaiters, escalators, and
				  moving walks must have a single means for disconnecting all ungrounded main
				  power supply conductors for each unit.
(2) If interconnections between control
				  panels are necessary for operation of the system on a multicar installation
				  that remains energized from a source other than the disconnecting means, a
				  warning sign must be mounted on or adjacent to the disconnecting means. The
				  sign must be clearly legible and must read "Warning-Parts of the control panel
				  are not deenergized by this switch."
(3) If control panels are not located in the
				  same space as the drive machine, they must be located in cabinets with doors or
				  panels capable of being locked closed.
97-09-013, recodified as § 296-307-37006, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-37006, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-37009 - Disconnecting means for electric welders

Current through Register Vol. 24-14, July 15, 2024
(1) A disconnecting means must be provided in
				  the supply circuit for each motor-generator arc welder, and for each AC
				  transformer and DC rectifier arc welder that is not equipped with a disconnect
				  mounted as an integral part of the welder.
(2) A switch or circuit breaker must be
				  provided by which each resistance welder and its control equipment can be
				  isolated from the supply circuit. The ampere rating of this disconnecting means
				  must not be less than the supply conductor ampacity.
97-09-013, recodified as § 296-307-37009, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-37009, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-37012 - Electrically driven or controlled irrigation machines

Current through Register Vol. 24-14, July 15, 2024
(1) If an electrically driven or controlled
				  irrigation machine has a stationary point, a driven ground rod must be
				  connected to the machine at the stationary point for lightning
				  protection.
(2) The main
				  disconnecting means for a center pivot irrigation machine must be located at
				  the point of connection of electrical power to the machine and must be readily
				  accessible and capable of being locked in the open position. A disconnecting
				  means must be provided for each motor and controller.
97-09-013, recodified as § 296-307-37012, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-37012, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-372 - Hazardous (classified) locations

Current through Register Vol. 24-14, July 15, 2024
97-09-013, recodified as § 296-307-372, filed
						4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						49.17.040,[49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-372, filed 10/31/96, effective
						12/1/96.
Washington Administrative Code › Title 296 - Labor and Industries, Department of › Chapter 296-307 - Safety standards for agriculture › INDOOR OPERATIONS › Part T - Electrical › Section 296-307-37203 - Scope

Current through Register Vol. 24-14, July 15, 2024
WAC
					 296-307-372
					 covers the requirements for electric equipment and wiring in locations that are
					 classified based on the properties of the flammable vapors, liquids or gases,
					 or combustible dusts or fibers that may be present and the likelihood that a
					 flammable combustible concentration or quantity is present. Each room, section,
					 or area must be considered individually to determine its classification.
All requirements in this part apply to hazardous locations,
					 unless otherwise indicated.
Statutory Authority:
						RCW
						 49.17.040. 98-24-096, § 296-307-37203,
						filed 12/1/98, effective 3/1/99. 97-09-013, recodified as § 296-307-37203,
						filed 4/7/97, effective 4/7/97. Statutory Authority:
						RCW
						 49.17.040, [49.17.]050 and [49.17.]060.
						96-22-048, § 296-306A-37203, filed 10/31/96, effective
						12/1/96.