Look for evidence that confirms knowledge of 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 drawingsdiagrams the symbols used in electrical drawingsdiagrams the components of a variety of electrical circuits identified by given electrical drawingsdiagrams 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 chargingrecharging 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 the specification of the insulation materials the procedures for making up and fixing wiring looms can be given the procedures for stripping fitting and preparing wiring terminations the procedures for soft and hard solderingcrimping of wiring terminations the effect of corrosion on the performance of electrical circuits and connections the procedures for corrosion removal andor neutralisation coatings available to stopinhibit corrosion the correct operational relays solenoids and contacts common faults and causes in relays solenoids contacts and circuits the procedures for testing circuit components safe work practices and procedures |