What Each Colour Wire Means To You?

Before attempting any type of electrical system repair, one should always knows some basic information about electrical wires and their colour because sometimes it become critical while selecting right wire for any electrical system.

Just remind all electrical wire has the ability to carry current at some point. Therefore, it is very important to treat every colour wire with equal caution.

Black Electrical Wires

The black colour wires are used to supply power to switches and outlets in all different types of circuits. However, black colour wires are often used as a switch legs in circuits, which is the contact associating a switch to the electrical load. It is the negative terminal of any electrical socket.

Red Electrical Wires

Red colour wires are the primary live wires, n 220-volt circuits. However, red wires are used for connecting hardwired smoke detectors to the home’s power system. Always avoid touching any red wire. In general it carries the positive charge of the electricity.

Blue and Yellow Electrical Wires

Blue and yellow colour wire carry high voltage electricity, they are not applicable in typical outlet wiring. Instead, blue and yellow wires are used in industries and main lines.

White and Grey Electrical Wires

These white and grey colour wires are neutral wires. White wire are most frequently used but grey wires also deliver the same function. The main aim of a neutral wire is to joint to the neutral bus bar, a conductive piece of metal within an electrical panel that entice the electric current for circulation throughout the house.

Green Electrical Wires

 Green colour wires is used to ground an electrical circuit. Green wires can only link to other green wires. Just remember, if there is a defect somewhere in your circuit, green wires could be live, so treat them with vigilance.

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