South Australian Consolidated Regulations South Australian Consolidated Regulations41—Electrical wiring, components, connections and installations
(1) The wiring of
electrical equipment of a vehicle, except the high tension ignition wiring,
must:
(a) be
supported at intervals of not over 600 millimetres, unless the vehicle is a
pole-type trailer with a pole with an adjustable length, or an extendible
trailer; and
(b) be
insulated at each of its joints; and
(c) be
located where it cannot:
(i)
become overheated; or
(ii)
contact moving parts; or
(iii)
come near enough to the fuel system to be a fire hazard;
and
(d) be
protected from chafing.
(1a) The electrical
components of a vehicle must be securely mounted.
(2) The electrical
connectors between motor vehicles and trailers, for operation of the vehicle
lights required by the Vehicle Standards, must comply with Australian Standard
AS 2513–1982 Electrical Connections for Trailer Vehicles.
(3) A trailer must be
equipped with an electrical conductor, independent of the trailer coupling,
that provides a return path between the electrical circuits of the trailer and
towing vehicle.
(4) The electrical
wiring, connections and installations of a semi-trailer, dog trailer or
converter dolly used in a road train over 19 metres long after June 1998 must
comply with third edition ADR 63, whether or not it was built before the date
stated in the ADR for vehicles of that type.