This unit covers disconnecting and reconnecting composite appliances connected to low voltage installation wiring. This may be incidental to or a primary and regular function of work related to a principle work function. It encompasses working safely, identifying supply arrangements, following isolation procedures, selecting and using testing and measuring devices, terminating and connecting cables and conductors, safely testing and reporting.

The unit coverage excludes disconnecting or reconnecting circuits at a switchboard or to general electrical accessories (including switches, socket outlets, circuit protective devices etc); or installation of or alteration to any part of the fixed electrical wiring system (defined as electrical installing work).

Unit details

Study level:
Vocational and further education (TAFE)
Unit code:


A student must have completed unit/s of competency needed for emergency services and equipment repair.


Assessment tasks will be designed to reinforce and extend knowledge and skill competence within set and controlled parameters in accordance with each unit's learning outcomes and performance criteria requirements, including the setting of work based practical application tasks designed to provide evidence of competence outcomes, within periodic and scheduled timelines. Students will be expected to demonstrate the following required skills and knowledge: - the basic electrical circuit; - relationships in an electrical circuit; - electrical diagrams; - test equipment - selection and care; - test equipment - voltage measurement; - test equipment - resistance measurement; - test equipment - current measurement; - cable connections; - protection for safety; - safety testing preparation and procedures; - isolating supplies; - disconnecting composite electrical equipment - ELV; - reconnecting composite electrical equipment - ELV; - disconnecting composite electrical equipment - LV; - reconnecting composite electrical equipment - LV; - produce documentation and reports, and; - enterprise reporting and recording system.

Where to next?

VU takes care to ensure the accuracy of this unit information, but reserves the right to change or withdraw courses offered at any time. Please check that unit information is current with the Student Contact Centre.