UEEHA0025 — Install explosion-protected equipment and associated apparatus and wiring systems

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What an assessment for UEEHA0025 must cover

27 assessable components: 3 elements (22 performance criteria), 3 performance evidence and 2 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 install equipment and wiring

1.1WHS/OHS procedures and safe work methods are obtained and interpreted
1.2Knowledge of requirements for installing electrical equipment and wiring for a hazardous area is applied to work preparation
1.3Types of explosion-protected equipment and wiring systems to be installed are determined from the area classification and planning and/or design documentation
1.4Location in which specific items of equipment and circuits are to be installed is determined from the area classification and planning and/or design documentation
1.5Explosion-protected equipment markings are checked to ensure they conform to their certification document and planning and/or design specifications
1.6Certification document supplied with each item of equipment is collected for forwarding to the relevant person for filing in the verification dossier
1.7Cables and cable enclosures to be installed are checked to ensure they conform to planning and/or design documentation
1.8Cable glands, seals and conductor terminations are checked to ensure they are compatible with the cable types and equipment specified in the planning and/or design documentation
1.9Special tools, equipment and testing devices needed to carry out the installation work are checked to ensure they are safe and serviceable, and any defective items are either rectified or replaced

2 Install equipment and wiring systems

2.1Safe work methods statements (SWMS) relating to explosive atmospheres are obtained and applied
2.2Installation of equipment and wiring systems demonstrates application of knowledge of requirements for installing electrical equipment and wiring for hazardous areas
2.3Equipment enclosure covers and internal components are removed where needed to enable installation and covers, components and their fixing devices are stored to protect them against loss or damage
2.4Equipment is installed to conform with the planning and/or design documentation, installation standards and within the limits specified by the equipment certification and manufacturer’s instructions
2.5Equipment is installed in a manner that maintains the integrity of protection afforded by the equipment type
2.6Cables and conduits are installed to conform with installation standards, planning and/or design documentation
2.7Cables and conduits are terminated to conform with installation standards and equipment certification and manufacturer’s instructions
2.8Circuits are tested before connecting them to devices to ensure protective earth resistance is sufficiently low, insulation resistance is safe, polarity and connections are correct and each circuit complies with installation standards
2.9Conductors are terminated and connected complying with planning and/or design documentation, installation standards, equipment certification and manufacturer’s instructions
2.10Equipment covers and internal components are removed to enable installation and are replaced ensuring the integrity of the equipment type is not compromised

3 Confirm that installation is complete

3.1Appropriate person/s is notified that the installation has been completed and is ready for the initial inspection
3.2Action is taken to rectify non-conformance and general installation defects found during the initial inspection and to ensure the installation complies with requirements
3.3Documents used during the installation are forwarded to the person responsible for compiling the verification dossier

Performance evidence

preparing to install explosion-protected equipment and associated apparatus and wiring systems, including: - reviewing safe work methods associated with the classified area in which the work is to be carried out - determining the types and locations of equipment and cabling to be installed from area classification and planning and/or design documentation - completing pre-installation checks, including: - equipment supplied complies with planning and/or design specifications - equipment marking conforms to the certification documentation provided with the equipment - cables and cable enclosures to be installed conform to planning and/or design documentation - cable glands, seals and conductor terminations are suitable for the cable types and equipment specified - serviceability and safety of tools and testing devices needed to carry out the installation work is checked
installing Ex ‘d’, Ex ‘e’, Ex ‘i’ and Ex ‘t’ equipment and associated apparatus and wiring systems, including: - obtaining and applying safe work method statements (SWMS) relating to the work - carrying out the installation to requirements, including: - removing equipment enclosure covers and internal components and their fixing devices to enable installation and safe storage - installing equipment to conform to planning and/or design documentation, installation standards, manufacturer’s instructions and limitations - installing equipment in a manner that maintains the integrity of the equipment protection type - testing circuits before connecting them to ensure: • resistance of protective earthing conductors is sufficiently low • insulation resistance is safe • polarity and connections are correct - replacing internal components and equipment covers previously removed to enable installation - terminating cables and conduits conforming with installation standards and equipment certification and manufacturer’s instructions, including: - installing conduit systems, including seals to meet hazardous area requirements (gases and liquids) - terminating cables with a barrier gland (gases and liquids) - terminating multicore, steel wire armoured (SWA), overall screened and individual screened cable into an enclosure - terminating and connecting conductors in accordance with requirements - replacing equipment internal components and covers ensuring the integrity of the equipment type
confirming that installation is complete, including: - notifying an appropriate person that the installation is completed and ready for the initial inspection - taking action to rectify any installation defects revealed by the initial inspection - forwarding documents used during the installation to the person responsible for compiling the verification dossier

Knowledge evidence

safe work procedures for explosive gas atmospheres, including: - work health and safety (WHS)/occupational health and safety (OHS) procedures for working in hazardous areas - permit to work that covers the hazardous aspects of the specific work and location
requirements for installing equipment and wiring systems for explosive atmospheres, including: - required documentation - installation requirements for protection from dangerous (incendive) sparking including: - earthing system requirements - SELV and PELV systems - electrical separation - limitation of equipment installed above a hazardous area - requirements for potential equalisation for the following: - various earthing systems - bonding systems - cable armour and screens - exposed conductive parts - metallic enclosures - temporary bonding - limitation of cathodic protection - wiring systems, including: - limitation on the use of aluminium conductors - fixed cable and wiring systems permitted for Groups I, II and III - the wiring systems permitted and not permitted in or above hazardous areas - cables supplying transportable and portable equipment - flexible connections and flexible cables - connection to equipment, including: - cable glands and blanking elements per enclosure type - non-electrical entries - conduit systems - termination of conductors - treatment of unused core - unused opening/entries in enclosures - joining cables - openings in walls - passage and collection of flammables - additional requirements for each type of explosion protection - cable and conduit termination devices and techniques, including: - cable glands, conduits and sealing including: - types of glands and components - techniques for fitting glands and applying sealing compound - techniques for using conduit seals and applying sealing compound - conductor terminations and techniques, including: - installing conduit systems, where applicable, including seals to meet hazardous area requirements (gases and liquids) - terminating a cable with a barrier gland (gases and liquids) - terminating a multicore, SWA, overall screened and individual screened cable into an enclosure - methods for terminating MIMS cable in accordance with manufacturer’s instructions - testing termination/connections of installed cables/circuits.

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 UEEHA0025

What does an assessment tool for UEEHA0025 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEEHA0025 needs to address all 27 unit components: 3 elements with 22 performance criteria, 3 performance evidence requirements, 2 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 UEEHA0025?

Auditori pulls the current release of UEEHA0025 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 UEEHA0025 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing UEEHA0025 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 UEEHA0025, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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