Use copper wire for the wires and configure them according to the capacity. Not too thin. It is recommended that the wire diameter of the air conditioner should be 4 square millimeters of wire; the socket should use 2.5 square millimeters of wire; and the general lighting fixture should use 1.5 square millimeters of wire. When wires are routed through the hollow floor, they must be piped; wires of different voltages such as lighting lines, telephones and television lines must not be put in the same pipe; the power outlet panel should be the left zero line, the right phase line, and the upper ground line. Wrong; zero line, phase line, ground wire with different colors.
NVC lighting air conditioning lighting socket
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