Electrical equipment used in Class I, Division I hazardous locations is often referred to as:
Electrical equipment used in Class I, Division I hazardous locations is often referred to as:
Electrical equipment used in Class I, Division I hazardous locations is often referred to as explosion proof. This type of equipment is designed to contain any explosion originating within its housing and prevent the ignition of the surrounding flammable atmosphere.
Explosion-proof or flame-proof equipment is sealed and rugged, such that it will not ignite a hazardous atmosphere, despite any sparks or explosion
FHP20: 8-171 "Equipment for use in Class I, Division 1 hazardous locations, as defined in the NEC, is sometimes referred to as explosionproof equipment".