Yueqing Xingyang Talking about the installation of junction box for household distribution box

Thursday, 26 July 2018

1. The wiring and busbars of the junction box of the household distribution box shall be respectively set up with the neutral line, the protective grounding line and the phase line, and shall be intact and have good insulation. 2, the air switch insta…

1. The wiring and busbars of the junction box of the household distribution box shall be respectively set up with the neutral line, the protective grounding line and the phase line, and shall be intact and have good insulation.
2, the air switch installation frame should be smooth and unobstructed and have enough space, should be installed in the dry, ventilated parts, and no obstructions, easy to use. Never use the junction box of the distribution box in the cabinet to prevent fire.
3. The junction box for the household distribution box should not be installed too high. The general installation elevation is 1.8 meters for operation; the electric tube of the input distribution box must be fixed with the lock nut.
4. Each circuit must have sufficient length to enter the line. There must be no joints. After installation, the names of the circuits should be marked. After the terminal box of the household distribution box is installed, the residue in the junction box of the distribution box must be cleaned.
5. If the junction box of the household distribution box needs to be opened, the edge of the hole shall be smooth and smooth. When the junction box of the distribution box is buried in the wall, it shall be vertical and horizontal, leaving a gap of 5~6 mm at the edge, and the distribution box. The wiring inside should be regular and tidy, and the terminal screws must be tightened.

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