This 16 Inch Tornado Blower is equipped with a Total Enclosed Fan Cooled (TEFC) 2 HP, 110 Volt, 50/60 HZ Electric Motor. This unit is made for the most demanding uses including ventilation of tanks, manholes, process vessels and similar confined spaces. They can also be used for cooling or drying applications. The Explosion Proof Motor is certified for NEMA Class 1, Div. 1 Group D and class II, Group E, F & G hazardous areas. The unit is fully assembled when shipped from the factory and are ready to use right out of the box. It comes with 25 feet of electrical cable that is rated for “Extra Hard Use”. The cord comes with a weatherproof plug.