Distribution box ten do not and related impacts and solutions (1)

- Oct 15, 2018-

Do not: N and PE busbars are not set in the lighting distribution box (board)

Impact: N and PE busbars are not installed in the lighting distribution box (board), and the line cannot be operated safely.

Solution: In the lighting distribution box (board), the neutral line (N line) and the protective ground line (PE line) should be set separately. The neutral line and the protective ground line should be connected on the busbar, and should not be spliced. There are numbers.

Do not two: the lighting switch box (board) inside the brakes does not indicate the name of the circuit

Impact: The brakes in the lighting distribution box (board) do not have the name of the circuit, which is inconvenient for use and maintenance. If it is mismatched, it is easy to cause a safety accident.

Solution: Generally, according to the requirements of the standard, the wiring system diagram should be attached to the lighting distribution box (board) door, and the name of the circuit should be indicated on the brakes, especially if there is AC, DC or different in the lighting distribution box (board). The level of power supply should have a clear indication. Bring convenience and safety to the work of users and maintenance personnel.

Do not three: the wiring in the lighting distribution box (board) is cross-cluttered, not bundled into bundles

Impact: The wiring in the lighting distribution box (board) is messy. The two-layer board in the box presses the nozzle, which affects the wire entering the box. If it is barely pushed in, the wire insulation damage will be long and the short circuit will be easily caused. It also makes the inspection inconvenient and affects the perception.

Solution: When using the metal box in the lighting distribution box, it should be rust-proof and anti-corrosion treatment. The outlet hole in the box is not available for electric welding. It is necessary to have one tube and one hole. The metal box hole should be protected before threading.