This unit describes the skills and knowledge required to rough-in, fit-off and test extra-low-voltage electrical systems — not exceeding 50 V AC or 120V ripple-free DC, as defined in AS/NZS3000 — in a recreational vehicle.Systems include the installation of wires and cables for the system, extra-low-voltage power supply and storage equipment (such as one or more batteries and solar panels), system equipment (such as main boards, regulators, inverters, surge protectors, Wi-Fi/Bluetooth control systems, light switches, USB sockets and power inlets/outlets) and accessories (such as electronic stability control systems, internal and external lights, pumps, radios, hot water systems, fans, rangehoods, air-conditioners, heaters, gas detectors, fans, rangehoods, smoke detectors, speakers and antennae).The unit applies to a person working in a recreational vehicle manufacturing facility who undertakes routine tasks according to job instructions, plans/specifications and procedures and uses discretion and judgement in selecting equipment, services and contingency measures. They work with a high degree of self-direction and limited supervision. They apply known solutions to routine problems and report non-routine problems according to procedures. They are responsible for their output and have limited responsibility for the output of others.No licensing or certification requirements exist at the time of publication. Relevant legislation, industry standards and codes of practice within Australia must be applied.