UEERL0008 — Disconnect-reconnect explosion-protected appliances and control devices connected to LV installation

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What an assessment for UEERL0008 must cover

125 assessable components: 6 elements (38 performance criteria), 21 performance evidence and 66 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 disconnect electrical equipment

1.1Electrical equipment disconnection is planned to ensure WHS/OHS policies and workplace procedures are followed
1.2Relevant person/s is consulted to ensure work is coordinated effectively with others
1.3Safety hazards which have not previously been identified are documented, risks assessed, and control measures determined and implemented in consultation with relevant person/s in accordance with workplace procedures
1.4Point of isolation of electrical equipment to be disconnected is determined
1.5Tools, equipment and testing devices required for electrical work are obtained in accordance with workplace procedures and checked for correct operation and safety

2 Disconnect electrical equipment

2.1WHS/OHS policies and procedures are followed
2.2Electrical equipment is isolated in accordance with relevant electrical installations, industry standards and workplace procedures
2.3Conductor connection sequence is recorded and labelled in accordance with workplace procedures
2.4Visual inspections and checks of the electrical equipment and associated wiring are carried out in accordance with workplace procedures to detect any abnormal or obvious damage or fault
2.5Isolated equipment is confirmed as de-energised
2.6Electrical equipment is disconnected from fixed wiring without damage to other components
2.7Approval is obtained in accordance with workplace procedures from relevant person/s before any contingencies are implemented
2.8Disconnected conductors/cables are terminated in accordance with relevant industry standards to ensure they are safe and present no potential hazard

3 Prepare to reconnect electrical equipment

3.1Reconnection is planned to ensure WHS/OHS policies and workplace procedures are followed
3.2Relevant person/s is consulted to ensure work is coordinated effectively with others
3.3Point of isolation of the circuit to which the electrical equipment is to be connected is determined
3.4Replacement electrical equipment is selected on the basis of rating and specifications in accordance with designated electrical equipment and conditions
3.5Relevant person/s is consulted in the event that replacement electrical equipment is not available
3.6Original and/or replacement electrical equipment is inspected and tested to ensure it is safe to connect to the electrical supply and use
3.7Tools, equipment and testing devices needed to carry out the electrical work are obtained in accordance with workplace procedures and checked for correct operation and safety

4 Reconnect electrical equipment

4.1WHS/OHS policies and procedures are followed
4.2Measures are taken to ensure circuit to which electrical equipment is to be connected remains isolated and de-energised in accordance with relevant electrical installations, industry standards and workplace procedures
4.3Continuity of the protective earthing conductor is tested to determine whether it is sufficiently low
4.4Resistance between the protective earthing conductor and the neutral conductor is inspected and tested to determine that it is in accordance with relevant industry standards
4.5Insulation resistance of active conductors is inspected and tested to confirm that it is in accordance with relevant industry standards
4.6Appropriate person/s is consulted to regarding any non-compliance condition identified during the earthing and resistance conductor inspection and testing
4.7Continuity between exposed conductive parts of the appliance and the main earth or metal switchboard enclosure is confirmed
4.8Electrical equipment is connected in accordance with relevant industry standards
4.9Connections to the electrical equipment are checked to confirm they are correct

5 Test the reconnected electrical equipment for safe operation

5.1WHS/OHS policies and workplace procedures for the reinstatement of isolated circuits and electrical equipment are followed
5.2Arrangements are made with relevant person/s to test the operation of the electrical equipment in accordance with workplace procedures
5.3Operational non-conformances are identified and reported in accordance with workplace procedures

6 Identify and report faults

6.1Electrical equipment is isolated in accordance with workplace procedures
6.2WHS/OHS policies and procedures are followed
6.3Visual inspection and checks of the electrical equipment to be disconnected and/or reconnected are carried out in accordance with workplace procedures to detect any abnormal or damage or fault
6.4Faults at point of disconnection and/or reconnection are identified and reported in accordance with workplace procedures
6.5Approval is obtained in accordance with workplace procedures from relevant person/s before any contingencies are implemented
6.6Status report/s is completed and relevant person/s notified in accordance with workplace procedures

Performance evidence

applying relevant electrical installations industry standards
applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including using risk control measures
applying sustainable energy principles and practices
completing workplace documentation
dealing with unplanned events/situations in accordance with workplace procedures to minimise risk to personnel and equipment
determining electrical characteristics of explosion-protected electrical equipment
disconnecting and reconnecting fixed wired electrical equipment connected to a low voltage (LV) supply
disconnecting and reconnecting electrical equipment
disconnecting explosion-protected electrical equipment
identifying and isolating circuit
identifying and reporting faults
identifying faults at point of disconnection and reconnection in accordance with workplace procedures
identifying point of installation
inspecting and testing disconnected and reconnected electrical equipment for safe operation
preparing to disconnect and reconnect electrical equipment
preparing to disconnect explosion-protected electrical equipment
preparing to reconnect explosion-protected electrical equipment
reconnecting explosion-protected electrical equipment
selecting tools, equipment and testing devices
testing of the reconnected explosion-protected electrical equipment for safe operation, including polarity and earth continuity
undertaking visual checks of the explosion-protected electrical equipment and associated wiring to detect and report any abnormal damage or faults.

Knowledge evidence

hazardous area safe working practices, including:
WHS/OHS responsibilities related to hazardous areas: the main features and purpose of a clearance to work (including hot work permit systems) system
typical safety procedures that should be followed before entering a hazardous area
the purpose of gas detectors and their use and limitations
effects of temperature on gas and vapour detection; frequency of monitoring for presence of gas or vapours, i.e. effects of temperature rise; factors affecting the accuracy of gas detectors, for example, contamination, condensation, temperature; and safety in use of gas detectors, for example, read and run concept
the roles of the parties (including standard bodies and experienced consultants) involved in the safety of hazardous areas: common Acts and regulations related to the safety of hazardous areas and the authorities responsible for their implementation; where assistance and further information can be obtained to assist persons with hazardous area responsibilities: persons with hazardous area responsibilities, including the hazardous area responsibilities of the owner of premises in which a hazardous area exists; the occupier of premises in which a hazardous area exists; enterprises and personnel engaged in installation and/or maintenance of explosion-protection systems; enterprises and personnel engaged in the classification of hazardous areas and/or design of explosion-protection systems; enterprises and personnel engaged in the overhaul, modification and/or assessment of explosion-protected equipment; enterprises and personnel engaged in the inspection of explosion-protection installations; manufacturers of explosion-protected equipment; designated authorities and insurers
hazardous area and explosion-protection principles, including:
properties of combustible substances and their potential to create an explosive hazard; condition in the workplace that will lead to an explosion; the terms combustion, ignition and propagation; explosive range of substances encountered in the workplace i.e. lower explosion limit (LEL)/upper explosion limit (UEL); and explosive parameters of substances as given in tables of substance properties
combustible materials, including gases, vapours (from liquids) and dusts; flash point; the difference between gases and vapours; and the toxic nature of gases and vapours and potential harmful consequences
the nature of hazardous areas: the standard definition of a hazardous area; the recommended methods for classifying the type and degree of explosion hazard in an area; hazardous area classifications as defined by standards; and factors that are considered when a hazardous area is classified
the basics of how explosion-protection is achieved by the methods of exclusion, containment, energy limitation, dilution and avoidance of ignition source
explosion-protected techniques and principles, including:
the principles of each explosion-protection technique, the methods used and how each technique works
how explosion-protected equipment is identified by the Ex symbol marked on the equipment, including old equipment and equipment certified in another country
visible conditions or actions that would void the explosion-protection provided by a particular technique
flameproof (Ex ‘d’) explosion-protection technique, including:
the purpose and characteristics of the design features of apparatus and circuits protected by the Ex ‘d’ technique (flame paths, integrity under pressure, pressure piling and enclosure entries)
typical situations where the Ex ‘d’ explosion-protection technique is used
actions or conditions that would void the protection provided by the Ex ‘d’ technique
the use of standards in determining the requirements to which the installation of Ex ‘d’ explosion-protected apparatus shall comply
increased safety (Ex ‘e’) explosion-protection technique, including:
the purpose and characteristics of the design features of apparatus and circuits protected by the Ex ‘e’ technique (temperature rise, maximum power dissipation, protection devices, certified components, creepage and clearance distances, absence of sparking contacts and enclosure entries)
typical situations where the Ex ‘e’ explosion-protection technique is used
actions or conditions that would void the protection provided by the Ex ‘e’ technique
the use of standards in determining the requirements to which the installation of Ex ‘e’ explosion-protected apparatus shall comply
intrinsic safety (Ex ‘i’) explosion-protection technique, including:
the purpose and characteristics of the design features of apparatus and circuits protected by the Ex ‘i’ technique (field devices, cables, safe area devices, earthing, entity versus integrated system concept, simple devices and interface devices and their parameters, segregation, infallible components, current and voltage limiting, creepage and clearance distances)
typical situations where the Ex ‘i’ explosion-protection technique is used
actions or conditions that would void the protection provided by the Ex ‘i’ technique
the use of standards in determining the requirements to which the installation of Ex ‘i’ explosion-protected apparatus shall comply
common characteristics of explosion-protection techniques, including:
the purposes of temperature classification and gas grouping/apparatus grouping
compliance plate markings
limitations of non-metallic or specific alloy enclosures
the purpose of conformity and certification/approval for equipment used in hazardous areas
environmental conditions that may impact on explosion-protection techniques
features and purpose of conduit seals and cable termination devices designed for use in hazardous areas (conduit seals and barrier and compression glands for cables with or without armouring, screening and/or drain wires)
hazardous areas cable termination devices and applications, including:
explosion-protection features of cable terminations devices
selecting compliant cable termination devices
hazardous areas cable termination techniques, including:
installing conduit systems, where applicable, including seals to meet hazardous areas requirements (gases only)
terminating a cable with a barrier gland (gases only)
terminating a multipair, steel wire armoured (SWA), overall screened and individual screened cable into an enclosure
testing termination/connections of installed cables/circuits
enterprise reporting and recording system, including:
purpose and extent of maintaining work activities records in an enterprise
types of records for maintaining work activities in an enterprise
methods for recording and maintaining work records
work records for regulation requirements
producing enterprise records and documents for the safe reconnection/commissioning of a component to the supply
disconnect and reconnect explosion-protected electrical equipment, including:
common characteristics of explosion-protection techniques
explosion-protected techniques and principles
Ex ‘d’ explosion-protection technique
hazardous area and explosion protection principles
hazardous areas cable termination devices and applications
hazardous areas cable termination techniques
Ex ‘e’ explosion-protection technique
relevant job safety assessments or risk mitigation processes, including working in hazardous areas and precautions to reduce the likelihood of electrical equipment causing an ignition
relevant manufacturer specifications
relevant relationships in an electrical circuit
relevant testing equipment
relevant WHS/OHS legislated requirements
relevant workplace documentation, including purpose and extent of maintaining work activities records
relevant workplace policies and procedures.

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 UEERL0008

What does an assessment tool for UEERL0008 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEERL0008 needs to address all 125 unit components: 6 elements with 38 performance criteria, 21 performance evidence requirements, 66 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 UEERL0008?

Auditori pulls the current release of UEERL0008 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 UEERL0008 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing UEERL0008 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 UEERL0008, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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