What are the 2 pins in a plug?

2-pole means that the device plug is not earthed and it normally has two pins that transmit electricity. Originally, all electrical devices were fitted with 2-pole plugs, which means that the devices were not earthed and that all mains sockets were constructed for 2-pole plugs.

What is 2 pin and 3 pin plug?

If you are using heavy appliances like refrigerators, microwave ovens and air-conditioners, 3 pin plugs are the safest choice for you. 2 pin plugs are generally used for smaller electrical appliances such as DVD players. If you are troubled by ever rising electricity charges, this product is for you.

What is a UK 2 pin plug?

This 2 pin plug, is a shaver plug. It is designed to fit into the shaver socket found in many bathrooms within the UK. Safety is the reason it comes with a 2 pin shaver plug, rather than a 3 pin, which I will explain in a bit more detail below.

What does 2P E mean?

Single phase sockets are classified as two pole (2P) and provide a single line contact and a neutral contact. In addition, a protective earth (Ground in American terminology) contact is usually, but not always, present, in which case the socket is classified as two pole and earth(2P+E).

Why do some plugs only have 2 pins?

Many appliances in the USA and elsewhere have two-prong plugs because they are “double insulated.” The third prong is for ground fault protection except where outlets have been designed with protective shutters on the current-carrying slots that are opened by the ground prong.

Does 2 pin plug have earth wire?

There is no earth wire in a two-pin plug. If the wires are colored, the white one is supposed to be the neutral and the black one is supposed to be hot.

What is a 3 pin plug?

(ˈθriːˌpɪn plʌɡ ) an electrical plug with three pins or metal projections to fit into a socket.

Can I plug my toothbrush into a shaver socket?

In short, yes it will work but the socket may eventually fail. Not just toothbrushes which often take 24 hours to charge or are designed to be permanently trickle charging but rechargeable shavers too.

What is 3P and 4p?

3P is three open, for control of three phase electricity, three incoming line end and three fire lines, generally three – phase electric bus switch and three-phase electrical equipment application. 4p is the addition of a terminal on the basis of the three opening, which is the N representation of the zero terminal.