ANSI/ISA 60079-11 (12.02.01)-2011

This standard specifies the construction and testing of intrinsically safe apparatus intended for use in Class I, Zone 0, 1, or 2 hazardous (classified) locations as defined by the National Electrical Code, ANSI/NFPA 70 and for associated apparatus, which is intended for connection to intrinsically safe circuits which enter such atmospheres.

This product replaces:ANSI/ISA 60079-11 (12.02.01)-2009 - Explosive Gas Atmospheres - Part 11: Intrinsic Safety 'i'