Standard
UPDATE AVAILABLE
AS C377-1969
[Superseded]This specification applies to the enclosure of electrical equipment in which the entry of flammable gas or vapour is prevented by maintaining the air (or other non-flammable gas) within the enclosure at a specified pressure above that of the external atmosphere. The tests specified for enclosure and associated fittings in This Standard are intended as type tests.
Published: 01/01/1969
Pages: 14
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