Gives guidance on selection of electrical apparatus protected by flame-proof enclosure or designed to be intrinsically safe, according to the gas or vapour in which it is intended to be used.
Cross References:
NMAB-447, 1987
IEC 79-0:1983
IEC 79-1A:1975
IEC 79-3:1990
IEC 79-4:1975
IEC 79-4A:1970
IEC 79-8:1969
IEC 79-12:1978
ASTM E679-78
Cross References:
NMAB-447, 1987
IEC 79-0:1983
IEC 79-1A:1975
IEC 79-3:1990
IEC 79-4:1975
IEC 79-4A:1970
IEC 79-8:1969
IEC 79-12:1978
ASTM E679-78
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