Useful information to assist engineers working in Hazardous (Ex) Areas - Part (1)

Flowchart for gland selection for Ex d apparatus NOTE: This flowchart complies with the requirements of BS EN 60079-14: 2014 National Annex 5 (NA.5) For compliance with IEC requirements, reference should be made to IEC 60079-14: 2013 clause 10.6.2. Internal sources of ignition include arcing and sparking components, e.g. switches, contactors, relays etc. An enclosure containing terminals only or an indirect entry enclosure is considered not to constitute an internal source of ignition. This flow chart assists the engineer in selecting the appropriate cable gland to be installed in Ex d equipment.

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