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Electrical Codes, Standards, Recommended Practices and Regulations
book

Electrical Codes, Standards, Recommended Practices and Regulations

by Robert J. Alonzo
January 2010
Intermediate to advanced content levelIntermediate to advanced
512 pages
18h 35m
English
William Andrew
Content preview from Electrical Codes, Standards, Recommended Practices and Regulations
Flameproof
Flameproof ‘‘d’’ equipment protection techniques involve enclosures so designed to withstand
the internal ignition of flammable or combustible air mixtures without sustaining damage or
allowing the propagation of the flames, burning gases, or debris through enclosure seams,
TABLE 9.12 IEC combustible dust and fibers equipment protection techniques [39–41]
Protection
technique/
Marking
Suitable hazardous
(classified) area locations Standard No. Title
General Requirements
Ex Zone 20, 21, or 22 IEC 61241-0 Electrical Apparatus for Use in the Presence of
Combustible Dust Part 0: General
Requirements
Ex ELP Ga, Gb, or Gc IEC 60079-0 Explosive Atmospheres ...
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ISBN: 9780815520450