Dust EX05 & 06
These units are used to extend the competence for craftsmen working on Electrical Apparatus for use in the Presence of Combustible Dusts.
Training
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Understanding of the general principles of explosion protection and the principles of dust hazardous areas.
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Understanding of the general principles of types of protection, standards, directives, certification and markings.
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Understanding of those aspects of equipment design protections for safe use in a dust atmosphere such as Ex t and IP requirements.
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Understanding of relevant parts of IEC/EN 60079-14.
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General understanding of inspection and maintenance requirements of IEC/EN 60079-17.
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Familiarity with the particular techniques to be employed in the selection and erection of equipment referred to in IEC/EN 60079-14.
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Understanding of the additional importance of permit to work systems and safe isolation in relation to dust explosion protection.
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Hands on training of the practical skills necessary for the preparation and installation of relevant concepts of protection.
Assessment
There are two practical assessments
These involve the installation of Ex t equipment such as light fittings, junction/terminal boxes and switches to be installed on to a panel using steel wire armour SWA and braided SY cable. Therefore cable glanding will play a significant part in these assessments. (See Video section)
A final exam is performed on a computer and consists of 30 multiple choice questions.
Online exam.
Other Information
Subject Guidance.