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Elements and Performance Criteria

  1. Prepare to test basic electrical circuit
  2. Test circuit
  3. Repair and check circuit
  4. Complete work processes
  5. Prepare to test basic electrical circuit
  6. Test circuit
  7. Repair and check circuit
  8. Complete work processes

Range Statement

This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.

Safety requirements must include:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for:

using specialised tools and equipment

selecting and using personal protective equipment (PPE)

identifying hazards and controlling risks associated with wearing jewellery while working around electrical systems.


Performance Evidence

Before competency can be determined, individuals must demonstrate they can perform the following according to the standard defined in the unit’s elements, performance criteria, range of conditions and foundation skills:

test a basic electrical circuit, including:

one short circuit across an electrical resistive load

one open circuit before or after an electrical resistive load

one high resistance circuit before or after an electrical resistive load

current flow and voltage drop across an electrical resistive load

test for continuity in a basic wiring harness and visually check terminals in the wiring harness for moisture ingress and corrosion

carry out four different circuit repairs that include:

crimping various terminal sizes

soldering wire gauges to terminals

applying heat shrink insulation to crimped or soldered joints

replacing male and female terminals in a connector housing

performing terminal retention checks to replaced terminals.


Knowledge Evidence

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to testing and repairing basic electrical circuits, including procedures for:

using specialised tools and equipment

selecting and using personal protective equipment (PPE)

identifying hazards and controlling risks associated with wearing jewellery while working around electrical systems

electrical principles, including:

current, voltage, resistance and power

series circuits

parallel circuits

series parallel circuits

Ohm’s law

key features of basic electrical circuit components, including:

cable types and sizes and current carrying capacity

circuit protection devices

switches

relays

automotive globes

techniques for reading and interpreting technical information, including circuit types, diagrams and symbols

procedures for using and operating electrical test equipment, including:

digital multimeters

test lights suitable for circuit testing, including resistive and light emitting diode (LED)

test probes suitable for testing circuit continuity

fused test lead

procedures for checking, identifying and isolating faulty equipment

common types of faults, including:

open circuits

high resistance circuits

short circuits

damaged insulation

frayed wires

burnt wiring

water and moisture ingress

connector damage

terminal damage

testing procedures for electrical systems, including:

accessing electrical terminals and using test probes without damaging connectors, fuse holders or wiring

electrical measuring and testing procedures, including:

electrical resistance checks

open and short circuit tests

voltage drop tests

current flow tests

visual testing procedures, including:

component moisture ingress

connector damage

repair procedures for electrical circuits, including:

wire soldering procedures

terminal crimping procedures

replacing male and female terminals in a connector housing

connector removal and replacement procedures

basic electrical components removal and replacement procedures

post-repair testing procedures, including:

confirming that electrical system is operating to manufacturer specifications

confirming that no other problems are present as a result of the repair.