1. The first thing is to ensure that the cross section of the conductor can bear all the normal working electric flow, which is the same as the loss and scalding of components in the cabinet, so as to ...
Leakage protection is very important! Don't people always worry about electricity? One of its functions is to prevent human indirect electric shock accidents. Setting leakage protection in the circuit ...
What are the rare accessories of the distribution box? Generally, there is a general air switch, which is the power switch of the electrical control cabinet of the whole distribution box. It is a nece ...
(1) Faults caused by electronic device materials in the distribution box: ① The operating instructions of the distribution box are quite different from the real technical data information. ② The man ...
When the working conditions and site preparation of the Pole Top Box have been completed. The installation of the box is over. There is nothing in the Pole Top Box, and the wiring and tape are fully p ...
With the provisions of power grid transformation in big cities and new rural areas, strengthen the unified management method for consumers, ensure the safe production of power and avoid the theft of P ...
In order to ensure anti-corrosion, the lighting Pole Top Box shall be made of anti-corrosion materials or coated with anti-corrosion layer on the exposed surface, and the use and maintenance condition ...
The Pole Top Box is to assemble the switchgear, measuring instruments, protective appliances and auxiliary equipment in the closed or semi closed metal cabinet or panel according to the electrical wir ...
The box frame of Street Light Pole Top Box can be welded or assembled and connected by screws. The box frame and shell shall have sufficient mechanical strength and stiffness, be able to bear the mech ...
1. The AC, DC or different levels of power supply in the Pole Top Box shall be pasted with instruction signs. 2. The Pole Top Box cannot be made of combustible materials. It is generally made of cold ...
