UEEEL0014 — Isolate, test and troubleshoot low voltage electrical circuits

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What an assessment for UEEEL0014 must cover

69 assessable components: 5 elements (36 performance criteria), 11 performance evidence and 22 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Prepare to isolate, test and troubleshoot electrical circuits

1.1Scope of work to be undertaken is determined from relevant documentation, electrical drawings or relevant person/s
1.2WHS/OHS requirements and workplace procedures for a given work area are identified and applied
1.3Electrical hazards are identified, risks are assessed, and control measures are implemented
1.4Relevant industry standards, regulation, legislation and workplace procedures are identified and applied
1.5Advice is sought from the work supervisor to ensure the work is coordinated effectively with others

2 Apply safe isolation, lock-out and tag-out procedures

2.1Electrical circuits and conductors, all of their energy sources, and isolation points are identified
2.2Electrical circuits are isolated from all energy sources and secured in accordance with industry and regulatory standards
2.3Safe isolation from all sources of energy is confirmed
2.4Isolation is secured using appropriate devices, tags, lock-out or permit system
2.5Any stored energy is discharged and deenergisation proved
2.6Unused conductors and equipment are dealt with in accordance with regulatory requirements

3 Conduct compliance inspection and testing on electrical circuits

3.1Electrical circuits are visually inspected for compliance with regulatory requirements
3.2Mandatory tests are identified, including sequence of tests and equipment required
3.3Continuity of the earthing system is tested for compliance with regulatory requirements
3.4Insulation resistance of the circuit is tested for compliance with regulatory requirements
3.5Polarity of the circuit is tested for compliance with regulatory requirements
3.6Correct circuit connections is tested for compliance with regulatory requirements
3.7Alternative supply systems are inspected and tested for compliance with industry and regulatory standards
3.8Earth fault loop impedance is verified for compliance with regulatory requirements
3.9Operation of residual current devices (RCDs) is tested for compliance with regulatory requirements
3.10Compliance test results are documented and reported in accordance with industry and workplace requirements
3.11Non-compliances are identified and reported to relevant personnel
3.12Requirements for the verification of circuits are completed in accordance with regulatory requirements

4 Locate, identify and repair faults in electrical circuits

4.1Circuits/machines/plant are checked as being isolated, where necessary, in strict accordance WHS/OHS requirements and procedures
4.2Safety hazards resulting from the fault or breakdown are documented and risk control measures identified and implemented in consultation with appropriate person/s
4.3Troubleshooting of electrical circuits is undertaken methodically using measured and calculated values of circuit parameters
4.4Circuit components are dismantled and parts stored to protect against loss or damage
4.5Faulty circuits/components are rechecked and their fault status identified
4.6Materials/replacement parts required to rectify faults are sourced and obtained in accordance with workplace procedures
4.7Effectiveness of the repair is tested in accordance with workplace procedures
4.8Circuit is reassembled, tested and prepared for return to service
4.9Unexpected situations are dealt with safely and with the approval of authorised person/s
4.10Troubleshooting and repair activities are carried out without damage to equipment, circuits, the surrounding environment or services using sustainable energy practices

5 Complete work and document activities

5.1WHS/OHS work completion risk control measures and workplace procedures are followed
5.2Work area is cleaned and made safe in accordance with workplace procedures
5.3Work completion is documented and appropriate person/s notified in accordance with workplace procedures

Performance evidence

# applying work health and safety (WHS)/occupational health and safety (OHS) workplace procedures, including: - identifying and assessing hazards and risks, and implementing control measures - selecting and using correct tools and equipment to isolate, test and troubleshoot electrical circuits
# performing safe isolation of equipment, including: - preparing a safe work method statement (SWMS) or job safety analysis (JSA) for effective and safe isolation - applying safe methods to identify sources of supply to be isolated - identifying appropriate points of isolation - isolating equipment from all sources of supply by safely switching off switches or circuit breakers, removing fuses or links, or removing circuit connections - securely isolating devices by applying an isolation securing device which requires a deliberate action to engage or disengage - applying a personal danger tag, lock-out or permit system - applying safe methods to confirm effective and safe isolation from all sources of supply - identifying the limits of the safe work area - discharging any stored energy - proving de-energisation of all relevant electrical equipment and conductors, including: - testing the voltage tester on a known live source - testing between all conductors and a known earth - testing between conductors - retesting the voltage tester on a known live source for correct operation - correctly using personal protective equipment (PPE) whilst performing effective isolation and operation of low voltage (LV) equipment
# completing visual inspection of the electrical installation for compliance with regulatory requirements including: - protection requirements - general condition - mains/sub-mains - switchboards - wiring systems - equipment and accessories - earthing
# conducting mandatory testing to ensure: - compliance with AS/NZS 3000 mandatory test requirements and the application of mandatory tests following guidance of AS/NZS 3017 - insulation resistance of mains, sub-mains and final sub-circuits meets the regulatory requirements - earth continuity of the main earthing conductor, protective earthing conductors, combined protective earthing and neutral (PEN) conductors and bonding conductors meet the regulatory requirements - polarity of active, neutral and earth conductors including phase sequence and rotation meet the regulatory requirements - correct connections of active, neutral and protective earthing conductors are tested to ensure no short circuits between conductors, no transposition of conductors that could result in the earthing system or exposed conductive parts becoming energised, and no interconnection of conductors between different circuits, in accordance with regulatory requirements - verification that earth fault-loop impedance limitations are not exceeded in accordance with regulatory requirements - residual current devices (RCDs) have been correctly installed, their function verified, and the isolation of all switched poles verified, in accordance with regulatory requirements
# testing and verifying alternate supplies, including: - completing continuity and voltage testing, including output voltage of device/s - earth resistance testing, including: - continuity of main earthing conductor - checking earth bonding integrity and equipotential bonded parts - insulation resistance test - polarity and checking operation of control device/s - verifying records for the date of initial certification are completed in accordance with regulatory requirements
# locating and diagnosing common faults in electrical circuits
# testing and diagnosing high impedance or open circuit neutral fault
# repairing and/or replacing parts to rectify faults in accordance with AS/NZS 3000
# applying steps required to ensure the fault does not re-occur
# completing final testing and re-commissioning
# completing work and documenting activities.

Knowledge evidence

safety procedures for working on electrical systems, circuits and equipment
safe working practices as a normal part of carrying out electrical installation work
tools and equipment needed to conduct electrical installation compliance inspection and testing
legislation and regulations that require circuits and equipment to be inspected and tested to ensure they are safe
the person/bodies responsible for the various aspects of ensuring electrical installations are safe
results of periodic inspection and tests that show construction site wiring and equipment is safe to use
results of periodic inspection and tests that show electrical equipment are safe to use
visual inspection of the electrical installation for compliance with regulatory requirements, including: - protection requirements - general condition - mains/submains - switchboards - wiring systems - equipment and accessories - earthing
regulatory requirements related to compliance testing, including: - insulation resistance of mains, sub-mains and final sub-circuits - earth continuity of the main earthing conductor, protective earthing conductors, combined protective earthing and neutral (PEN) conductors, and bonding conductors - polarity of active, neutral and earth conductors including phase sequence and rotation - correct connections of active, neutral and protective earthing conductors are tested to ensure no short circuits between conductors, no transposition of conductors that could result in the earthing system or exposed conductive parts becoming energised, and no interconnection of conductors between different circuits - earth fault-loop impedance in both ‘supply available’ and ‘no supply available’ scenarios - correct installation of RCDs, verification of their function, and verification of isolation of all switched poles - testing requirements where multiple/alternate supplies are present, including anti-islanding
AS/NZS 3000 requirements for dealing with unused conductors and equipment
importance of the MEN link when a fault occurs.
likely consequences of the absence of the MEN link or high impendence in the PEN conductor when a fault occurs
requirements for installation of an MEN link in an installation and an outbuilding
safety implications of high impedance or open circuit neutral faults
ensure active/s and neutral for the same circuit are clearly identified with their circuit protection device
tests that show all circuits and equipment operate as intended
results of tests conducted on an installation to comply with requirements and ensure the installation is safe
documentation of periodic testing and inspection of electrical equipment, including tagging requirements in accordance with AS/NZS 3760
techniques and procedures for the effective safe isolation of any equipment, including: - preparation of a SWMS or JSA for effective safe isolation - safe methods for identifying source of supply to be isolated, including alternate supplies - switching-off, lock-out and tagging procedures - safe methods for confirming effective and safe isolation of all energy sources - industry standards related to isolation
techniques and procedures for testing and verification of alternate supplies, including: - purpose of tests, testing methods and equipment - use of continuity and voltage testing meters - direct current (d.c.) polarity, including switching and protection equipment - earthing arrangements
troubleshooting concepts, including: - need to understand the correct operation of a circuit or equipment, switching and control circuit arrangements - common faults with circuits and equipment, including: - operator faults - incorrect connections - open circuits - short circuits - device faults (mechanical) - equipment/component failure - supply faults - insulation failure - unsafe conditions - earth leakage - typical fault symptoms and their causes, including: - operation of circuit protective device - appliance does not operate - factors to consider in clarifying the nature of a fault, including: - initial fault report - confirmation of symptoms of the fault - comparison of symptoms with normal operation - methods for testing, including: - visual inspection - component isolation - test equipment - sectional testing - dealing with intermittent faults (vibration, shock, changes in temperature and electromagnetic interference) - final testing and recommissioning
hazards and safety requirements related to equipment incorporating electronic components used in electrical systems.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing UEEEL0014

What does an assessment tool for UEEEL0014 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEEEL0014 needs to address all 69 unit components: 5 elements with 36 performance criteria, 11 performance evidence requirements, 22 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for UEEEL0014?

Auditori pulls the current release of UEEEL0014 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for UEEEL0014 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing UEEEL0014 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of UEEEL0014, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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