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BS 1259

58th Edition, February 24, 1958

Complete Document

Intrinsically Safe Electrical Apparatus and Circuits - For Use in Explosive Atmospheres

Includes all amendments and changes through Amendment 4, March 1981

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Superseded By: BS EN 50020

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W/D S/S BY BS EN 50020
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Description / Abstract:

Defines 'intrinsically safe'. Dangerous industrial gases and vapours, for which certificates of intrinsic safety may be obtained, are listed and classified. Principles of and tests for intrinsic safety appended. (See also BS 5501-7, identical to EN 50020, referred to in EEC Directives, and BS 5501-9, identical to EN 50039).