Ac Wiring Black White Green
These are commonly found in home and office settings.
Ac wiring black white green. The white wire goes on the silver terminal the black wire on the brass one and the green wire on the green one. Three phase lines are red black and blue. Canada ac power circuit wiring color codes. You can now screw the outlet to the box and proceed to the switch box.
The switch also has a green terminal for the ground wires which usually are bare. Loosen each terminal screw hook the wire around it and put the screw down tightly. The ground wire goes to the green screw. Wires have black red white or green insulation depending on their use.
When you connect an outlet or light switch the black wire goes to the brass screws. The different colors of electrical wires indicate the function of the wire with black and red indicating the wires carry electric current white usually indicating neutral charge and green indicating the wire is grounded. Connect the white wire to either of the chrome screws remember they are still joined and the ground wire to the green ground screw. Proper grounding and the use of fuses are important to maintain electric safety in the home.
Phase 1 black phase 2 red phase 3 blue neutral white ground green green with yellow stripe or bare wire. Under those conditions a black wire should be always hot and always on. You connect the black wires in the electrical box to the switch terminals and the white wires to each other. The neutral is white the hot live or active single phase wires are black and red in the case of a second active.
The white wire goes to the white metal screws on an electrical outlet. When you re done join the two halves of the plug casing and tighten the screws to hold it together. Ac wire colors for 120 208 240 volts. In a 110 volt setup an additional wire usually red or blue normally indicates a hot wire controlled by a light switch.
If one phase of your wiring is at a higher voltage than others using a high leg connection wires should be marked orange for that phase. Attach the black wire to the outlet you want to always be on usually the top one and the red wire to the switched outlet. The protective ground is green or green with yellow stripe. Most homes use both 240 and 120 volt ac electricity.