How do you tell the cable colors apart? What do they mean?

　　The colors of household wires and cables we usually come into contact with are black, white, green, red, blue, orange, brown, gray... The colors of the insulating sheaths outside the wires usually have their meanings.

　　Different colors are the basic judgment methods and measures. According to national standards, different cables need to use different colors, mainly to correctly distinguish the phase line, neutral line and protective ground line in the wires, reduce the possibility of wrong connection of the lines, facilitate future maintenance, and play a good protective role on the human body.

　　So, when fiddling with new lamps, in addition to turning off the circuit breaker, you must also determine what each color of wire you will encounter next means? Cable Bolai tells you.

　　1. According to regulations, the insulating protective cover used for the ground wire should be yellow and green, the live wire mostly uses a red and brown protective cover, and the neutral wire is generally blue or green. When we usually check and repair the wires behind the socket, we must turn off the power switch at home in advance to avoid electric shock.

　　2. The wires used in our homes are generally divided into live wires, neutral wires and ground wires. These wires are usually wrapped with insulating protective covers of different colors. We can distinguish which wire it is by the color of these protective covers.

　　3. According to regulations, among the three wires of live wire, neutral wire and ground wire, the protective cover of the ground wire should be yellow and green, the other live wires are mostly red and brown, and the neutral wire is mostly blue or green.

　　4. If we usually want to repair or check the wires behind the socket by ourselves, we must turn off the power switch at home in advance to avoid being injured by contact with current when touching the wires.