The Larson Electronics 25’ single phase explosion-proof extension cord is designed to extend the reach of equipment in hazardous locations where power receptacles are not in close proximity to the work space. The cord is 25 feet in length, providing ample length for moving about the work space. It is oil, chemical and abrasion resistant for durability and the receptacles feature deep recessed contacts for protection against arcing and a powder coat finish for resistance to corrosion. ", "This cord is fitted with a single explosion-proof 30 amp twist lock receptacle constructed of non-sparking aluminum on one end for the connection of equipment and a general area use twist lock plug on the other end for safe and secure connection to power receptacles. The cord, and its plug and receptacles are a 3 pole 2 wire design, which works with most common explosion-proof equipment. It is Class 1 Division 1 Groups C, D and Class 2 Division 1 Groups E, F, and G rated, making it ideal for use in hazardous locations where flammable gases and vapors are present. This cord is ideal for connecting explosion-proof lighting, fans and blowers, and extending the range of portable power supplies and substations within the hazardous work area.