This unit involves the skills and knowledge required to assess for conformity single items of explosion-protected equipment or systems, or packaged explosion-protected equipment that has certification documentation however, not covered under industry certification schemes or AS/NZS Standards.

It includes: examining, comparing and documenting explosion-protection methods and related protection types; evaluating the certification issued for a single item or system, or packages of explosion- protected equipment against certification requirements for another country/region; and writing a conformity assessment document.

This unit applies to personnel involved in engineering functions or maintenance (end users) when considering the selection, installation and maintaining of equipment, packages and systems during a facility life cycle.

Site-specific work permits may be required to work in the hazardous environment. In addition, other permits may be required, such as confined space and to operate specific pieces of equipment such as elevated work platforms in various jurisdictions.

Additional and/or other conditions may apply in some jurisdictions subject to regulations related to electrical work. Practice in the workplace and during training is also subject to work health and safety (WHS)/occupational health and safety (OHS) regulations.

This unit of competency and associated assessment requirements is adopted from clause 2.11 of AS/NZS 4761.1:2018 Competencies for working with electrical equipment for hazardous areas (EEHA). There may be differences between the content of this unit and AS/NZS 4761.1:2018, so the Standard must be checked to ensure compliance with it. Clause 2.11 of AS/NZS 4761.1:2018 also includes the following precondition for assessment:

• “A candidate seeking assessment in this unit shall have been deemed competent to assess electrical/electronic equipment and perform general technical evaluation at AQF level 7 or NZQF level 7 Bachelor Degree (BD) or equivalent.”