ANSI/ISA 61241-0 (12.10.02)-2006 (R2011)

This standard specifies general requirements for the design, construction, testing and marking which is applicable to electrical apparatus protected by any recognized protection technique for use in areas where combustible dust may be present in quantities that could lead to a fire or explosion hazard.

This product referenced by:NFPA (Fire) 70 - Electrical Apparatus for Use in Zone 20, Zone 21 and Zone 22 Hazardous (Classified) Locations - General Requirements