Document ID: chunk:federal_register_of_legislation:F2011C00881:body:0:p11
Version: federal_register_of_legislation:F2011C00881
Segment Type: other
Provision Reference: 
Character Range: 26050–29013

as specified in the SAA Wiring Rules, Part 1, except that arc-producing devices such as switches, contactors, etc., which are not operated during fuelling or defuelling operations need not to conform to the requirements for this class of equipment. The controls of all arc-producing devices which do not meet the requirements for Class 1, Division 2 locations shall be clearly labelled so that there is no doubt that they are not to be operated during fuelling operations.

      4.2 Equipment below ground level
       Electrical equipment located below the general ground level of the apron (such as apron power outlets, pump control switches, etc.) shall comply with the SAA requirements for equipment operated in Class 1, Division 1 locations.

      4.3 Cables
(a) All cables carrying electrical current at potentials up to 250 volts with respect to earth shall be required to have 250 volt grade insulation and shall be protected by a plastic sheath resistant to attack by fuel and oil.
(b) All cables situated in areas traversed by vehicles, hand-carts and the like shall be suitably protected against mechanical damage. In no case shall this protection be of a lower standard than that provided by hardwood troughing with the dimensions by 2W and 3D where W and D are respectively width and depth of the cable space where W is not less than D.
(c) Where the use of trailing cables is permitted as a temporary measure, The appropriate placement of wooden or other suitable portable barriers may be used as an alternative to wooden troughing described in paragraph 4.3 (b) to guard against damage by vehicles and to ensure the safety of pedestrians.

      4.4 Protective devices
       All fuses and overload protective devices shall be hermetically sealed and protected by a general purpose enclosure.

      4.5 Batteries
       All batteries shall be suitably covered to prevent accidental shorting of cells and shall be provided with adequate means of natural ventilation.

      4.6 Protection from breakdown in service
(a) All electrical equipment shall be suitably insulated and mechanically protected to prevent breakdown whilst in use.
(b) All connections shall be secured with spring or lock washers to prevent accidental loosening of connections whilst in use.
Notes to Civil Aviation Order 20.9
Note 1
The Civil Aviation Order (in force under the Civil Aviation Regulations 1988) as shown in this compilation comprises Civil Aviation Order 20.9 amended as indicated in the Tables below.

Table of Orders
Year and             Date of notification                    Date of                      Application, saving or
number               in Gazette/                             commencement                 transitional provisions
                     registration on FRLI
CAO 2004 No. R10     8 December 2004 (see F2005B00787)       8 December 2004 (see s. 2)
CAO 20.9 2005 No. 1  FRLI 6 January 2006 (see F2006L00094)   7 January 2006 (see s.