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Electric Power Standards Around the World

Type B - Electric Power Plug, Outlet, Socket

Type B Plug Socket Diagram

This is a class I plug with two flat parallel prongs and a grounding pin (American standard NEMA 5-15/Canadian standard CS22.2, n42). It is rated at 15 amps and although this plug is also standard in Japan, it is less frequently used than in North America. Consequently, most appliances sold in Japan use a class II ungrounded plug. As is the case with the type A standard, the Japanese type B plugs and sockets are slightly different from their American counterparts.

An ungrounded version of the North American NEMA 5-15 plug is commonly used in Central America and parts of South America. It is therefore common for equipment users to simply cut off the grounding pin that the plug can be mated with a two-pole ungrounded socket.

Countries Using Type B Electric Plug/Socket - All of the noted for Type A except Bangladesh, Bolivia, Cambodia, China, Dominican Republic, Korea, Liberia, Maldives, Peru, St. Vincent, Tahiti, Thailand, Vietnam, Yemen. Also found in Azores, Belize, Trinidad and Tobago.

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