What are the precautions for electrical construction of House Containers?

2023-03-24 00:53:47

Installation of fluorescent lamps: In the House Container room of the same house, single lamps are centered, and multiple lamps are installed in a straight line, with a deviation within 50mm; for fluorescent lamps with chains, the chains and lamp tubes are perpendicular to each other, and the chains are parallel to each other. Installation of other lamps: According to the overall size and installation position of the lamps, the lamps should be fixed reliably, and the thread ends should be tightly wrapped around the ceiling without being exposed.

The outdoor part of the cable is directly buried underground, and is protected by welded steel pipes when passing through. For protective pipelines laid in dusty and humid places, the nozzles and pipe joints should be sealed. The cables should be laid along the lines near Z with as little bending as possible. When the protective pipeline exceeds a certain length, a junction box should be added, and its position should be convenient for threading. The mouth of the box should be neat and consistent with the diameter of the pipe, and no long hole should be opened for each pipe.

After all electrical appliances are installed, the insulation resistance should be tested by shaking. During the shaking test, all switches, switches, instruments, equipment and power switches on the line should be disconnected. After confirming that the shaking test is correct, the power transmission test run should be carried out.

The installation positions of distribution boxes and control boxes should be arranged according to the requirements of use. Before installation, ensure that the box and cabinet parts are complete, the opening of the box body is appropriate, and the cut is neat. The cover of the concealed electrical box should be close to the wall. The hanging box should be vertical and the elevation should be accurate. Connected with neutral bus, there is no splicing phenomenon. After painting, the inside and outside of the I box are clean, the box cover and switch are flexible, the circuit number is clear, the wiring is neat, and the PE line is clearly installed firmly. The installation of the power distribution cabinet must first be placed in the right position and fixed according to the marked position.

Adopt TN-S comprehensive grounding form, and set up special PE grounding wire. Construction material requirements: All metal components of the lightning protection grounding system should be galvanized, and the zinc layer should be uniform without corrosion and peeling of the zinc layer. The materials used in the project must have qualification certificates and be used after being inspected by on-site supervisors and technicians.