Correct connection of air conditioning plug

Perhaps the air conditioner was installed, and the air conditioner master found that the red line was seriously damaged, while the yellow line was better. He did not want to change the power cord, so he used the red and yellow lines interchangeably. Of course, they are very careful when connecting the plug. Red fire line, blue zero line and yellow-green ground line' This is industry practice, but there is no hard and fast rule. The second and third plug changers didn't pay attention, so they came as usual and the problem came out. The live wire is directly connected between the neutral line of the 220V mains load and the ground wire of the air-conditioning metal shell, and is indirectly short-circuited through the grounding system. Generally speaking, the volume of the ground wire plug of the three-level plug is larger than that of the L-N plug, so the left calf is always injured, and the right calf will not be injured without current. The air conditioner connected in this way just can't work normally, so it won't be damaged. Just connect it back normally.

How did you get angry? Improper expression, you should say,' How can it be red, left, yellow and right blue?'

The hidden danger is serious. If the superior protection grounding is not good, the metal shell of the home appliance of the ground wire user will be fully charged, including your air conditioner. However, the second and third plug changers didn't pay attention and connected according to the industry practice, which happened. Therefore, it is better to deal with it as soon as possible and try not to violate the established practice of the industry. After all, life is a matter of life.

Install a socket 10-20 on the door. Only qualified personnel are needed. Safety comes first.