Applies to cabling and connectors used in battery electric road vehicles. These recommendations are not applicable to the low tension wiring (e.g. 12 V) for the auxiliary and signalling accessories, such as horn, lighting, signalling lamps, wipers, etc., nor do they apply to connections between cells of the traction battery. Provides general rules for all external wiring and connectors which are used for interconnecting the traction components and sub-systems. The rules are applicable to the heavy current, the light current and the signal harnesses. Has the status of a technical report.