- For hazardous locations due to the presence of flammable gases or vapors, combustible dusts or easily ignitable fiber or flyings and for installations at petroleum refineries, chemical and petrochemical plants and other processing or storage facilities where similar hazards exist and use in conjunction with magnetic starters or contactors for remote control of motors
- Covers are cast copper-free aluminum alloy
- Pilot light operator bodies are copper-free aluminum
- Internal ground screw
- Amber lens with nameplate to be specified
- UL File No. E53360|CSA File No. LR11714|Class I Divisions 1 and 2 Groups C, D Class I Zones 1 and 2 Groups IIB, IIA Class II Divisions 1 and 2 Groups E, F, G Class III