Neutral Wire Color Plug
This is a necessary function of ac power and we need to be able to identify these wires properly and make sure we use them for the right voltage connections.
Neutral wire color plug. But looking deeper the color of the wires inside of the sheathing reveals that different colored wires serve different purposes. Wiring colour codes for ac and dc power distribution circuits have changed on numerous occasions and vary depending on region. Wiring a plug. The national electrical code nec says that white or gray must be used for neutral conductors and that bare copper or green wires must be used as ground wires.
Neutral wires have the important task of returning currents to the original power source. Nec wiring color codes for ac us canada us nec ac single multi phase wiring color codes the mandatory colors for power wiring in national electric codes nec are green bare or green yellow yellow strip or band on green for protective ground pg and white alternatively grey for neutral wire. Gently twist the strands of copper wire with your fingers until each strand is tight. The us national electrical code for both ac and dc mandates that the grounded neutral conductor of a power system be white or grey.
Bare the ends of the three wires inside the electrical cord for about half a centimeter by cutting away the plastic insulation. Hot active wires may be any other colors except these. Earth wire neutral wire live wire line 2 wire line 3 electrical wire. The neutral wire forms a part of the live circuit along with the hot wire.
The worry is that a miswired plug poses a fairly serious shock hazard. Basic wire color coding. The key is to make sure you connect the wires to the proper terminals in the plug. The black wire is the hot wire.
Like the neutral wire the ground wire is also connected to an earth ground. Wire a plug to maintain correct polarity. However common practice per local electrical inspectors is for the first hot live or active wire to be black and the. While all wire colors are important to understand and utilize properly the neutral wire is a consistently overlooked piece of any electrical system.
It becomes energized as soon as you insert the plug into a working receptacle. Remove the plug cover by either snapping or unscrewing it. Beyond that are general industry accepted rules about wire color that indicate their purpose. The danger isn t fire.
Wiring a new plug isn t difficult but it s important to get the hot and neutral wires connected to the proper prongs. This article details the following cable colour codes. For three phase electricity supply circuits will use five wires. However the neutral and ground wires serve two distinct purposes.
In contrast the ground wire is connected to any metal parts in an appliance such as a microwave oven or coffee pot. The white wire is known as the neutral or return wire. A simple standard electrical circuit has a black or red hot wire that carries power from the power source to the device e g switch fixture outlet appliance a white neutral wire that carries the power back to the power source and a green or bare copper ground wire that connects the device to the home s grounding system.