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Elements and Performance Criteria

1. Prepare to work on multiple path ELV a.c. electrical circuits
   • Work health and safety (WHS)/occupational health and safety (OHS) processes and workplace procedures for a given work area are identified, obtained and applied
2. WHS/OHS risk control measures and workplace procedures in preparation for the work are followed
3. Scope of circuit problem is obtained from documentation and/or work supervisor
4. Advice is sought from work supervisor to ensure work is coordinated effectively with others
5. Sources of materials required for work are identified and accessed in accordance with workplace procedures
6. Tools, equipment and testing devices required for work are obtained and checked for correct operation and safety
7. Solve multiple path ELV a.c circuit problems
   • WHS/OHS risk control work measures and workplace procedures are followed
8. Need to test and measure live work is determined in accordance with WHS/OHS requirements and workplace procedures
9. Circuits are checked and isolated, as required, in accordance with WHS/OHS requirements and workplace procedures
10. Methods are used to solve a.c circuit problems from measured and calculated values as they apply to multiple path electrical circuits
11. Unplanned situations are dealt with safely in accordance with workplace procedures and approval of relevant person/s
12. Problems are solved without damage to apparatus, circuits, the surrounding environment or services using sustainable energy practices
13. Complete work and document problem-solving activities
    • WHS/OHS work completion risk control measures and workplace procedures are followed
14. Worksite is cleaned and made safe in accordance with workplace procedures
15. Justification for solutions used to solve circuit problems is documented
16. Work completion is documented and relevant person/s notified in accordance with workplace procedures

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment. Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.
Circuit problems must include at least two of the following:	determining the operating parameters of an existing circuit altering an existing circuit to comply with specified operating parameters developing circuits to comply with a specified function and operating parameter

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least two separate occasions and include:

applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including using risk control measures checking and isolating circuits identifying and assessing sources of materials required for work obtaining and checking tools, equipment and testing devices for correct operation and safety using sustainable energy practices obtaining scope of circuit/s from documentation and/or work supervisor preparing to work on multiple path extra-low voltage (ELV) alternating current (a.c.) electrical circuits seeking advice from the work supervisor solving a.c. circuits problems from measuring and calculating values testing and measuring live circuits dealing with unplanned situations safely and with the approval of relevant person/s workplace documenting, including: justifications solution work completion.

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Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

problem-solving techniques relevant capacitance in a.c. circuits relevant impedance relevant inductance in a.c. circuits relevant isolation of circuits relevant job safety assessments or risk mitigation processes relevant manufacturer specifications and operating instructions relevant materials, tools, equipment and testing devices relevant methods to measure and calculate values relevant phasors relevant power and power factor relevant resistance in a.c. circuits relevant resonance relevant sinusoidal alternating voltage and current relevant test and measure live work procedures relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures sustainable energy principles.

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