(4) the lines in the lighting distribution box (board) are crossed and disordered without binding.

Consequence: the lines in the lighting distribution box (board) are disordered, and the two-layer board in the box tightly presses the pipe orifice, which affects the conductor to enter the box. If the conductor is forced in, the insulation damage of the conductor will be long, and it is easy to cause short circuit. And make the maintenance inconvenient and affect the appearance.

Measures: when using metal box for lighting distribution box, anti rust and anti-corrosion treatment shall be done. The outlet hole in the box can not be opened by electric welding. One pipe and one hole shall be used. The hole in the metal box shall be protected before threading.

The lines shall be arranged in order, the position of the pipe into the box shall be arranged reasonably, and the second layer plate shall not be allowed to press tightly on the pipe. The wires in the box shall be coiled around the box in a straight way, and bound in a bundle.

Kevin

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