IEC 60079-11:1984
Electrical apparatus for explosive gas atmospheres - Part 11: Construction and test of intrinsically-safe and associated apparatus
Gives requirements for the design, construction, testing, and marking of electrical apparatus and electrical systems with type of protection
Gives requirements for the design, construction, testing, and marking of electrical apparatus and electrical systems with type of protection 'i'. Also gives requirements for associated apparatus that is not protected for use within an explosive gas atmosphere but contains both intrinsically-safe circuits and non-intrinsically-safe circuits that can affect the safety of intrinsically-safe circuits.
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