The Larson Electronics EPEXC-100-250V Explosion Proof Extension Cord is constructed of 100 feet of explosion proof cord rated 250 volts and 20 amps. The cord is fitted with an explosion proof twist lock receptacle constructed of non-sparking aluminum on one end and an explosion proof plug on the other for a safe and secure connection to power receptacle. The cord, plug and receptacle are a three-pole/two-wire design. The Explosion Proof Extension Cord is oil, chemical and abrasion resistant.