1. Universal Product Code. The barcode often used in retail stores for inventory and pricing purposes. Universal Product Code - Wikipedia, the free encyclopedia 2. Universal Power Cord. Type pf power cable supplied with virtually all electronic equipment having a detachable cord. See also IEC. Specifically refers to the special power inlet and female connector used on most computers, monitors, and other electronics. Also known as an IEC connector. Parts Express:IEC 6 ft. Power Cord Black 16/3 Be sure to keep many extras around, as these have a propensity to disappear when one most needs them. When using these, make sure to check the wire gauge - they are available in 18ga through 14ga; use the appropriate one for the intended load.