Used to connect an AC adapter to an AC outlet, or plug directly into a computer or other device with a built-in AC adapter.It also can be used as power cable for any devices with prong male connector.3 prong female power plug (IEC C5) on the other end.3 grounded plug with two prong male and one round male (Nema 5-15P) on one end.Compatible with most brands PC like for Toshiba, IBM, Sony, , Compaq, HP, NEC, Acer, AST, etc.Also be known as 3 ear, mickey mouse, shamrock, orb, cox40, tri-plug or clover leaf