This unit describes the skills and knowledge required to repair extra-low-voltage electrical systems in a recreational vehicle. Such systems include wires and cables, 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, speakers and antennae).‘Repair’ includes making good in situ or removing one or more items that are damaged or no longer function according to specifications and arranging for their repair or replacement; removing and replacing existing items with modernised or upgraded items for better appearance, convenience or performance and installing new items for the same reasons; removing and reinstalling items for service and maintenance if required; resealing penetrations and installing new moulding as required, and identifying any other out-of-scope work required.The unit applies to a person working in a recreational vehicle service and repair facility who undertakes routine tasks according to work instructions, plans/specifications and procedures and uses discretion and judgement in selecting equipment, services or 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.