• ANSI/ISA-61241-0 (12.10.02)-2006 (R2015), Electrical Apparatus for Use in Zone 20, Zone 21 and Zone 22 Hazardous (Classified) Locations – General Requirements

ANSI/ISA-61241-0 (12.10.02)-2006 (R2015), Electrical Apparatus for Use in Zone 20, Zone 21 and Zone 22 Hazardous (Classified) Locations – General Requirements