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. A black wire can be the hot wire of a 120 volt supply.
Why Are Electric Wires Color Coded The Way They Are
Black green white wire. Wire is characterized by a solid or stranded conductor protected by insulation andor a jacket. You may see a copper wire instead of a green wire for the ground. Beyond that are general industry accepted rules about wire color that indicate their purpose. Black wires are always hot wires meaning that they carry electricity. When youre hanging a chandelier or any other ceiling light first find the 3 wires coming out of the hole in the ceiling where the light will go. In a 110 volt setup an additional wire usually red or blue normally indicates a hot wire controlled by a light switch.
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. But looking deeper the color of the wires inside of the sheathing reveals that different colored wires serve different purposes. Note that the outlets screw terminals are certain colors. The white wire goes on the silver screw. A green wire or bare wire with no insulation is normally the local ground wire. Your house is set up for a fan with a light on itblack wire the fan you purchased seems to have no lightno black wire wire your fan red red white white green ground and cap the black wire.
Blackgreenwhite wire cable 1 result found that include 2 products wire and cable are products that carry an electrical current from a power source to devices and equipment. Try the switch after you wire it up. The black hot and white neutral wires carry the current and the copper wire is the ground. The ground wire goes to the green screw. The colors regulated by the national electrical code in the united states are standardized for safety. A white wire is normally the neutral wire.
When youre done join the two halves of the plug casing and tighten the screws to hold it together. If the fan doesnt come on first make sure you have power then wire the red to the black and cap the red. When you connect an outlet or light switch the black wire goes to the brass screws. Loosen each terminal screw hook the wire around it and put the screw down tightly. The white wire goes on the silver terminal the black wire on the brass one and the green wire on the green one. Recognize that the black wire is the positive one the white wire is the negative one and the green wire is the ground.
Under those conditions a black wire should be always hot and always on. The white wire goes to the white metal screws on an electrical outlet. The bare copper or green wire goes on the green screw.
Gallery of Black Green White Wire
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