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Examination Details

Duration	5 days
Skill Level Required	An E/I background and a working knowledge of electrical installation & inspection.
Brief Description	The first three days of the course deals with the standards covering the manufacture & installation of electrical/instrument equipment and their protection concepts, which may be exposed to a potentially flammable atmosphere. The final two days assesses, practically and theoretically the competence of the delegates.

Aims

To refresh delegates' knowledge and understanding on the terminology and protection concepts for electrical/instrument equipment utilised in a potentially flammable atmosphere.

Course Objectives

At the end of the course, delegates

Should understand that electrical/instrument equipment can be a source of ignition that could contribute to an explosion. Should understand the concept of Area Classification and the need to zone flammable atmospheres accordingly. Describe briefly heater treaters Should understand the terminology and definitions associated with hazardous areas. Should understand the various protection concepts namely EExd, EExe, ExN, EExn, EExia & EExib, EExp, EExo, EExq and EEXm. Should be able to identify problems with electrical/instrument equipment installed in hazardous areas with respect to the appropriate NEC, ATEX and IEC Standards.

Topics

Should be able to recommend the remedial action required to maintain electrical/instrument hazardous area equipment to meet the required standards. Should have been refreshed sufficiently on the subject to be able to successfully complete the practical and theoretical assessments. Should be able to select the protection concept, enclosure/equipment, glands and ancillary components and install correctly in hazardous areas. Overview of Area Classifications zone 0, 1 and 2. Gas Groups and Temperature Classes. Protection concepts - EExd, EExe, ExN, EExn, EExia & EExib, EExp, EExo, EExq and EEXm Selection of apparatus, cabling, gland and termination requirements. Inspection of equipment and systems to IEC 60079-17 Standards Brief overview of the NEC 500 & ATEX Directives.

Course Standards

Aim Objective Other criteria

Method of Assessment

Self Assessment (via OCS Evaluation Sheet) Continuous Assessment Theory Test Practical Test

Type of Certificate

OCS Attendance OCS Satisfactorily Completed External ie JTL Limited certificate on successful completion

NB:

An OCS certificate of attendance will be issued if the method of assessment is limited to self-assessment Where a delegate fails to meet the formal assessment criteria, an attendance certificate will be awarded and the case discussed with the customer