digital energy 3 prong 8 inch indoor outdoor extension cords 6 pack, heavy duty power cords 13a 125v 60hz 1625w, ul listed, white digital energy the nema 5-15r to nema 5-15p power extension cord is designed to extend power cords for computers, monitors, printers, scanners and most any other device with a nema 5-15 connector. this cable features an inconspicuous black pvc jacket and 16 awg cable for long-lasting durability.