Document ID: chunk:federal_register_of_legislation:F2023C00959:body:0:p12
Version: federal_register_of_legislation:F2023C00959
Segment Type: other
Provision Reference: 
Character Range: 36772–39944

hazard owing to its proximity to the fuel system;
            (c)      be protected from chafing; and
            (d)      except in the case of any 'Pole-type Trailer' which is so constructed that the length of the pole forward of the trailer frame can be adjusted; be supported at intervals of not more than 600 mm.
21.1.1.                          The edge of all holes in metal through which the wiring passes, must be rolled or bushed with a grommet of rubber or other equivalent insulating material.
21.2.                                In the case of an M-Group or N-Group vehicle fitted with a 'Coupling' designed to tow a trailer with an 'ATM' not exceeding 3.5 tonnes, the electrical connector(s) for the purpose of operating prescribed trailer lighting and light signalling devices, must comply with AS 4177.5 – 2004 (Caravan and light trailer towing components, Part 5: Electrical connectors).
21.3.                                In the case of an M-Group or N-Group vehicle fitted with a 'Coupling' designed to tow a trailer with an 'ATM' exceeding 3.5 tonnes, the electrical connector(s) for the purpose of operating prescribed trailer lighting and light signalling devices, must comply with:
            (a)      ISO 1185:2003 (Road vehicles -- Connectors for the electrical connection of towing and towed vehicles -- 7-pole connector type 24 N (normal) for vehicles with 24 V nominal supply voltage); or
            (b)      SAE J560 – 2016-04-01 version (Primary and Auxiliary Seven Conductor Electrical Connector for Truck-Trailer Jumper Cable); or
            (c)      AS 4735 – 2003 (Heavy road vehicles - Electrical connectors for articulated vehicles); or
            (d)      AS 4177.5 – 2004 (Caravan and light trailer towing components, Part 5: Electrical connectors).
21.4.                                In the case of a trailer with an 'ATM' not exceeding 3.5 tonnes, the electrical connector(s) for the purpose of operating the prescribed trailer lighting and light signalling devices, must comply with AS 4177.5 – 2004 (Caravan and light trailer towing components, Part 5: Electrical connectors).
21.5.                                In the case of a trailer with an 'ATM' exceeding 3.5 tonnes, the electrical connector(s) for the purpose of operating the prescribed trailer lighting and light signalling devices, must comply with:
            (a)      ISO 1185:2003 (Road vehicles -- Connectors for the electrical connection of towing and towed vehicles -- 7-pole connector type 24 N (normal) for vehicles with 24 V nominal supply voltage); or
            (b)      SAE J560 – 2016-04-01 version (Primary and Auxiliary Seven Conductor Electrical Connector for Truck-Trailer Jumper Cable); or
            (c)      AS 4735 – 2003 (Heavy road vehicles - Electrical connectors for articulated vehicles); or
            (d)      AS 4177.5 – 2004 (Caravan and light trailer towing components, Part 5: Electrical connectors).
21.6.                                Every trailer must be equipped with an electrical conductor independent of the trailer 'Coupling', providing a return path between the electrical circuits of the trailer and that of the