NEN NPR 10079-13 : 1983
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES - PART 13: PRESSURIZATION ROOMS OR BUILDINGS
21-12-2010
12-01-2013
Defines the conditions in which an electrical apparatus liable to cause an ignition may be used in a room or building situated where flammable gases or vapours may be present, the ingress of these gases or vapours into the room being prevented by maintaining inside it a protective gas at a higher pressure than that of the outside atmosphere.
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