Applies to design, construction and testing of electrical equipment intended for use in flammable and explosive atmospheres without risk of fire or explosion where the enclosure is purged by fresh air (or inert gas) at sufficient flow and positive pressure to exclude any flammable gas or vapour.
Original price was: $57.00.$28.00Current price is: $28.00.
Protection by purging of electrical equipment for explosive atmospheres
Standards Australia , 12/31/1979
Pages: 23
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