The function and structure of cable branch boxes.

Release time:

2023-09-26

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Abstract

The cable branch box is an intermediate component in the power distribution line, connecting cables with other electrical equipment. Its connection and combination method is simple and convenient, flexible, and has performance features such as full insulation, full sealing, corrosion resistance, maintenance-free, and safety and reliability.

The cable branch box is an intermediate component in the power distribution line, connecting cables with other electrical equipment. Its connection and combination method is simple and convenient, flexible, and has features such as full insulation, full sealing, corrosion resistance, maintenance-free, and safety reliability. It is widely used in commercial centers, industrial parks, urban residential communities, and a large number of urban power grid renovation projects.

The role and structure of the cable branch box can be summarized as follows:

1. The role of the cable branch box

1. Distribute power lines to achieve branching and control of power supply.

2. Protect cables from mechanical damage and prevent cable connection points from external environmental erosion.

3. Facilitate inspection, maintenance, and management of the power system.

2. The structure of the cable branch box

1. Shell: Made of metal material, with high strength and corrosion resistance. The bottom of the shell has a drainage device.

2. Terminal: The terminal is made of highly conductive copper material, with different models selected according to the load current size.

3. Supporting insulator: Made of high-strength insulating material to support and isolate the cable core wire.

4. Connection bolts: Made of stainless steel to reliably connect the cable terminals.

5. Protective devices: Such as overload protection switches, lightning arresters, etc., to protect the safety of the power system.

6. Oil spill prevention device: Effectively collects and drains in case of oil leakage.

7. Grounding device: Reliably grounds the cable shielding network with the shell to avoid electric leakage accidents.

8. Corrosion prevention device: Such as external polyurethane paint, etc., to enhance the corrosion resistance of the cable branch box.

3. The selection of the cable branch box should meet load requirements and usage environments while emphasizing safety and convenience principles to play its important role in the power system.

 

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The equipment that plays an important role in the power sector - cable branch box

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Installation methods and precautions for cable branch boxes

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