Certification


The table below is a summary of the prerequisite units and general recommended competence

Unit of competence Specific Prerequisite Unit(s) Table or profession general competence
Description
Unit Ex 000 – Basic knowledge and awareness to enter a site which includes a classified hazardous area none nil
Unit Ex 001 – Apply basic principles of protection in explosive atmospheres none Competence in plant or machinery operation or installations, maintenance or service functions
Unit Ex 002 – Perform classification of hazardous areas none Competence in gathering and analysing technical data and using this data for risk assessment
Unit Ex 003 – Install explosion-protected equipment and wiring systems Unit Ex 001 Competence in installation of electrical, electronic, instrumentation and/or data communication equipment and wiring systems
Unit Ex 004 – Maintain equipment in explosive atmospheres Unit Ex 001 Competence in maintenance of industrial electrical, electronic, instrumentation and/or data communication equipment and wiring systems
Unit Ex 005 – Overhaul and repair of explosion-protected equipment none Competence in overhaul and repair of industrial electrical/electronic equipment
Unit Ex 006 – Test electrical installations in or associated with explosive atmospheres Unit Ex 001 Competence in conducting testing of general electrical, electronic, instrumentation and/or data communication installations
Unit Ex 007 – Perform visual and close inspection of electrical installations in or associated with explosive atmospheres Unit Ex 001 Competence in general electrical installation inspection are an alternative to the specific units listed in Column 2
Unit Ex 008 – Perform detailed inspection of electrical installations in or associated with explosive atmospheres Unit Ex 001 Competence in general electrical installation inspection are an alternative to the specific units listed in Column 2
Unit Ex 009 – Design electrical installations in or associated with explosive atmospheres Unit Ex 001 Competence in designing electrical systems and installations
Unit Ex 010 – Perform audit inspection of electrical installations in or associated with explosive atmospheres Unit Ex 002,
Unit Ex 008 and
Unit Ex 009
Competence in general electrical installation inspection are an alternative to the specific units listed in Column 2

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