1 Should wait until the PVC pipe is installed, and then unified wear wire.
Now workers are wearing a wire edge to take over, it is difficult to ensure that after the wire can be a smooth replacement.
2 The same loop wire should be inserted into the same root canal, but the total number of tubes should not be more than four.
The total cross-sectional area of the inner conductor shall not exceed 40% of the cross-sectional area of the tube.
3 Through the piping wire connector, should be located in the junction box, the thread to leave the remaining 150 mm.
4 The wiring should be the first rinse tin, and then wrapped with tape 7 laps, insulation tape should be evenly wrapped around.
5 Pipe threading should be color separation. Fireline red, zero line blue or black, and ground wire for the yellow and white lines.
6 For the socket, the zero fire or left zero fire, ground 2.5 square feet of two-color cord.
7 Connecting switch, screw mouth lamps, the first phase should be the first switch.
8 And some decoration company does not wear ground (within 4 minutes, the ground simply do not wear), absolutely dangerous.
For the metal shell in terms of electrical appliances, once the leakage, who met who is the ground?