Cloverleaf type c5 3 pin ac mains power cords these high quality 3 pin cloverleaf mains power cords are suitable for a wide variety of external computer power supply blocks such as those supplied with laptops intel nuc computers etc if youre trying to get a pc to work the first question you need to ask is is it plugged in these top quality power cords will help you get past that first hurdle one end of the cable has a type c5 connector which looks like a clover leaf