Type B plugs and sockets
Type B (NEMA 5-15, grounded) — 3 pins, earthed.
What fits into a Type B socket
| Plug | Fits | Earth |
|---|---|---|
| Type A | yes | lost A Type A plug has no earth pin at all, so nothing gets earthed in a Type B socket. Only matters if the thing you are plugging in needs one |
| Type B | yes | preserved |
Fits but drops the earth: Type A. Harmless on a double-insulated charger; a shock risk on anything with a metal body.
Where a Type B plug goes
Type B sockets.
Countries using Type B
American Samoa, Anguilla, Antigua and Barbuda, Aruba, Bahamas, Barbados, Belize, Bermuda, Bolivia, Plurinational State of, Bonaire, Sint Eustatius and Saba, Canada, Cayman Islands, Colombia, Costa Rica, Cuba, Curaçao, Dominican Republic, Ecuador, El Salvador, French Polynesia, Guam, Guatemala, Guyana, Haiti, Honduras, Jamaica, Japan, Jordan, Lao People's Democratic Republic, Lebanon, Liberia, Mexico, Micronesia, Federated States of, Montserrat, Nicaragua, Niger, Palau, Panama, Paraguay, Peru, Philippines, Puerto Rico, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Sint Maarten (Dutch part), Taiwan, Province of China, Thailand, Trinidad and Tobago, Turkmenistan, United States, Venezuela, Bolivarian Republic of, Viet Nam, Virgin Islands, British, Virgin Islands, U.S.