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Provides guidance in the preparation of control drawings for intrinsically safe apparatus, associated apparatus, and intrinsically safe systems. It is formulated to provide guidance for and to promote the uniformity of manufacturers' control drawings for intrinsically safe apparatus, associated apparatus, and intrinsically safe systems. This recommended practice is intended to be used in conjunction with ANSI/UL 913-1988, Standard for Safety, Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, and III, Division 1, Hazardous (Classified) Locations.This recommended practice is not intended to include guidance for the design or installation of intrinsically safe equipment or systems.
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