Two prong plug hot and neutral

The key is to make sure you connect the wires to the proper terminals in the plug. The wide prong on the plug links the . As you can see, the neutral and hot wires are connected to the two vertical prongs at the top of the receptacle ( neutral on the left, hot on the right) and the ground wire is connected to the . One prong connects to the hot wire, which is the live circuit wire, and one connects to the neutral wire, which is the one that completes the electrical circuit. Switching goes in the ungrounded ( hot ) side.

Inspect the old plug , if it has two prongs and they are identical in size, then you may connect either wire to the connectors in the new plug.

The left slot is slightly larger than the right.

This third prong is the ground. Both the neutral and the ground are connected to an earth ground in the main breaker box in your home. Many plugs have only two prongs.

In these plugs , one of the blades of the plugs connects to the neutral wires running through the appliance, while the other blade connects to the hot wires. You undoubtedly are familiar with . Prong electric plug wiring electrical outlet problems living with my home. The two - prong plug of unequal size and the three-prong plug are polarized.

One of the pin needs to be plugged to the Hot connection of the socket and the other to the Neutral connection. In the US with 110v the two - prong of the electrical plug is polarized due to one of them is Neutral while the other is Hot. Flat cords that have only two wires, such as those used in most lamps, are not marked by colors. The hot wire is always smooth on the outside of the cor while the neutral wire is ribbed on the outside.

For flat cords with polarized plugs on the en the larger prong (or terminal) is the neutral wire. Most light fixtures, for example, require polarized cords, because only the base of the socket should be hot. They are needed to allow appliances with 3-wire power cords to plug into legacy ungrounded (two slot) . Older homes often have two -slot polarized receptacles. Receptacles (electrical outlets) that have only two slots are called polarized receptacles.

When sockets started to appear, using two identical parallel prongs was simple and obvious, which was probably why it was chosen. A similar thought and markeing . The two wires connected to the 2- prong plug get connected to the hot and neutral wires in the extension cord. Since there is no connection to the ground in the extension cor the 2- prong plug does not get the grounding benefit of the third prong.