This unit covers using test instruments, testing the battery, and assessing and rectify wiring faults.

Unit details

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


MEM09002B - Interpret technical drawing

MEM12023A - Perform engineering measurements

MEM18001C - Use hand tools

MEM18002B - Use power tools/hand held operations

MEM18055B - Dismantle, replace and assemble engineering components


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: - reading, interpreting and following information on written job instructions, specifications, standard operating procedures, charts, lists, drawings and other applicable reference documents; - planning and sequencing operations; - checking task-related information; - checking for conformance to specification; - selecting and using the correct test instrument for a variety of electrical circuits; - applying Ohm's law to determine the required values of voltage, current and resistance for a range of electrical circuits; - determining the resistance of series and parallel circuits; - connecting electrical test instruments into given circuits; - connecting and adjusting a general purpose oscilloscope to a given electrical circuit; - determining the specific gravity of the electrolyte for temperature variations; - preparing dry batteries for charging and recharging; - performing discharge testing of batteries; - testing given electrical circuits and, where appropriate, identifying wiring faults; - using supplier catalogues; - making up wiring looms; - terminating wiring; - removing and/or neutralising corrosion from terminals and connections, and applying appropriate protective coatings, and; - testing a range of circuit components for correct operation and identifying and repairing faulty circuit components.Students will also be expected to demonstrate the following knowledge: - the principles of electron theory; - definitions of current, voltage and resistance in terms of electrical circuits; - the relationships between current, voltage and resistance for a variety of given electrical circuits; - the instruments and procedures to be used to measure current, voltage and resistance; - the procedures for maintaining electrical test equipment; - the function of a variety of electrical circuits identified from given electrical drawings/diagrams; - the symbols used in electrical drawings/diagrams; - the components of a variety of electrical circuits identified by given electrical drawings/diagrams; - the differences between series and parallel electrical circuits; - the function of a general purpose oscilloscope and procedures for connecting a general purpose oscilloscope into given electrical circuits; - the use of wave forms in the testing of electrical circuits; - the accuracy to which a range of electrical test equipment can be read; - the procedures for using multipliers and shunts in the measurement of electrical circuits; - the operation of a chemical battery; - the function of the electrolyte in batteries; - the procedures for measuring the specific gravity of the electrolyte; - the effect of temperature on the specific gravity of the electrolyte; - the procedures for preparing dry batteries for charging; - the procedures for recharging batteries; - hazards and control measures associated with charging/recharging of batteries and discharge testing, including housekeeping; - the purpose and procedures for discharge testing of batteries; - the specifications applied to batteries; - examples and causes of common faults in electrical wiring; - the test procedures for isolating wiring faults; - the specifications of cables and wires used in given electrical circuits, and; - the specification of the insulation materials.

Where to next?

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