Solution to the branch problem of low voltage power cable
Release Time：
2020-11-04
In the current production activities of low-voltage power cables, the use of electricity is important to everyone, and the use of low-voltage power cables is also very important to everyone. Let us talk about this issue. Let everyone better understand low-voltage power cables.
In the current production activities of low-voltage power cables, the use of electricity is important to everyone, and the use of low-voltage power cables is also very important to everyone. Let us talk about this issue. Let everyone better understand low-voltage power cables.
When low-voltage power cables need to directly supply power to two or more power receiving terminals, the following three situations usually occur:
Device branch joints.
Set up low-voltage power cable branch box.
Low-voltage power cables surround one or more power receiving terminals.
These three methods have their own advantages and disadvantages, and should be selected according to their own needs. In short, the branch connector of this equipment is more economical, but it is inconvenient to operate and maintain; the low-voltage power cable loop is more sensitive in operation and easier to repair, but it requires a certain length of cable, which requires a lot of investment. The advantages and disadvantages of branch boxes are somewhere in between.
The low-voltage power cable branch box is set on the ground, and the low-voltage power cable is introduced into the low-voltage power cable box before branching. The cable loop-in method actually constitutes a loop power supply for users, that is, provides dual power supplies for each user. The branch connector is not as easy to disassemble and assemble as the branch box. Compared with ordinary cable intermediate connectors, the core wire connection process and the sealing process of the outer jacket have some special requirements.
In recent years, the production and use of low-voltage power cables have become active, especially in high-rise buildings in the south, for power supply. Some branch cables were used and installed in the vertical corridor of the elevator.
The color of the insulated cores of low-voltage power cables should be the colors recommended by the specification, especially the yellow/green cores. Such wires are usually used in power cords for electrical products. The special two-color wire of this low-voltage power cable is dedicated to grounding.（www.mitoyo.com.cn）
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