IEC 60079-11:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
12-31-2021
English, English - French
11-29-1991
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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