Socket Type A

When you’re travelling to North or Central America, or certain parts of Asia, you’ll notice that they mostly use Type A sockets.

This type of socket is specifically designed for a two-pronged, ungrounded plug with two flat, parallel pins.

Features of the Type A Socket

One thing to note about Type A plugs is that the pins often have small holes at the end. These holes help the plug fit securely into the socket, so it doesn’t come loose easily.

socket type A
Number of pins2
GroundedNo
Voltage100 – 127 volts
Ampere15 amps
Other types of plugs that fitNone
Other sockets compatible with Type AType B Sockets
Do you need a travel adaptor for your UK devices?Yes

Type A sockets and plugs are designed for devices with up to 15 amps. They operate at a voltage between 100 and 127 volts. This type of socket, officially known as NEMA 1-15, was invented by Harvey Hubbell II back in 1904.

Click here if you need a travel adaptor for Type A.

Dimensions

The pins on Type A plugs are standardised, with a width of 1.5 millimetres and a length ranging from 15.9 to 18.2 millimetres. The pins are spaced 12.7 millimetres apart.

Use of Type A plugs

Type A sockets are exclusively designed for Type A plugs. However, you can also use these plugs in Type B sockets.

It doesn’t work the other way around though; Type B plugs won’t fit into Type A sockets.

You’ll find Type A sockets in countries like Aruba, Canada, Costa Rica, Cuba, Japan, Mexico, and Thailand. If you’re not sure whether your holiday destination uses Type A sockets, you can use the search function (top right) on this website.

A reliable travel adaptor for Type A sockets is essential.

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