It has a three-pin C5 (female) laptop power connector on one end and a NEMA three-prong 5-15P (male) plug on the other end The cord has three conductors and is polarized to prevent shocks At 3-foot long, this laptop 3-prong power cord is best used for semi-permanent office setups or for recharging a low battery. Our 3-pin black laptop power cord can be used with any portable computer to connect to a wall socket or outlet