With tough steel construction this blower meets Class I, Divisions I and II, Groups C and D and Class II, Divisions I and II, Groups E, F and G Hazardous Location Requirements. The electric, explosion-proof motor is UL/CSA listed and NEMA rated. Includes a 115V plug for use with explosion-proof socket. Warning: Explosion-proof Blowers must be used with statically conductive ducting.Do you order this product often and/or in large quantities? Check out our Large Order Program to save yourself time and money.