North American Electrical Plug Types

In the united states of america the power plugs and sockets are of type a and b.

North american electrical plug types. Most of north america and central america and some of south america use connectors standardized by the national electrical manufacturers association. Check your need for a power plug travel adapter in the united states of america. Nema connectors are power plugs and receptacles used for ac mains electricity in north america and other countries that use the standards set by the us national electrical manufacturers association nema wiring devices are made in current ratings from 15 to 60 amperes a with voltage ratings from 125 to 600 volts v. Plug socket types around the world.

This would lead to large. This class ii ungrounded plug with two flat parallel prongs is pretty much standard in most of north and central america. It is known as nema 1 15 and was invented in 1904 by harvey hubbell ii. The plug has two flat 1 5 mm thick blades measuring 15 9 18 3 mm in length and spaced 12 7 mm apart.

The devices are named using the format nema n mmx where n is an identifier for the configuration of pins and blades mm is the maximum current rating and x is either p for plug or r for. Different combinations of contact blade widths shapes orientation and.