Fellowes 1-Outlet 3-Prong Heavy Duty Indoor/Outdoor Extension Cord, 100 Foot Cord (99599) Heavy duty indoor/outdoor extension cord for multi-purpose applications Grounded 3-prong single outlet; 100 foot power cord 13-amps, 125 volts, 16 gauge UL and cUL approved This items packaging will indicate what is inside and cannot be hidden.