North American power cords are common in the United States and Canada, they are similar to Japanese plugs, including two-wire type A plugs and three-wire type B plugs.North America standard plugs are manufactured according to NEMA (National Electrical Manufacturers Association) 1-15, 5-15, 5-20, 6-15, 6-20P plug standards. The plugs accept NEMA (National Electrical Manufacturers Association) management and UL(Underwriters Laboratory) certification.














