Alternating Current (AC) and (DC) Direct Current. acdcUSA.com is an American wholesaler and distributor of electrical and LED lighting products, Breakers, Contactors, Fuses, Tools, Meters, Testers, Switches, Dimmers, Outlets, Receptacles, Piercing Power Connectors, PVC Cements, Primers, Roof Flashing, Access Panels, Bugnuts, Split Bolts, Color Marking Tapes, Bushings, Connectors.