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Introduction to grounding wire of cable branch box

Addtime:2020-10-28 19:56:42Resource:Yuanhang Electric Co., Ltd

The conductor connector in the cable branch box adopts crimping method, which is easy to install and flexible in and out lines. There can be up to 6-8 branch incoming and outgoing lines in the application, which can realize multi-channel power transmission in the community, and provide technical guarantee for deepening the load center, shortening the power supply radius and reducing the line loss. At the same time, the cable branch box can be equipped with power indicator, fault indicator, silicone rubber fully insulated plug-in arrester, mechanical program-controlled lock, grounding switch, etc., to ensure the safety of operation and maintenance management. With the loop network power supply of cable network, SF6 and other ring network load switches can be configured to meet the maintenance requirements of local power failure without affecting the operation of the main network, realize the maintenance of regional power failure and reduce the scope of power failure. At the same time, the ring network cable branch box can realize the ring network power supply, laying the foundation for the future 10kV line network structure adjustment.

Product structure features and performance:

Fully closed, full protection, anti pollution, anti-corrosion, meet the outdoor all-weather operating conditions, can adapt to different working environment.

The cable branch box belongs to the floor type box, with small volume and small floor area. If some branch box covers an area of 0.65m2, the floor area with SF6 switch is only 1.45m2; the appearance is beautiful and will not cause damage to the appearance of the town.

The utility model has the advantages of convenient connection of multi-channel conductors in and out of the box, flexible connection of multi-channel conductors in and out of the box, flexible connection of 6-branch lines in and out of the power supply box, and flexible installation of 6-branch power lines. At the same time, the cable branch box can be equipped with power indicator, fault indicator, silicone rubber fully insulated plug-in arrester, mechanical program-controlled lock, grounding switch, etc., to ensure the safety of operation and maintenance management.

With the loop network power supply of cable network, SF6 and other ring network load switches can be configured to meet the maintenance requirements of local power failure without affecting the operation of the main network, realize the maintenance of regional power failure and reduce the scope of power failure. At the same time, the ring network cable branch box can realize the ring network power supply, laying the foundation for the future 10kV line network structure adjustment.

Installation, use and precautions:

At present, there are many kinds of 10kV outdoor cable branch box in our country. Therefore, the installation and construction of 10kV cable branch box become very important. Whether the operation method of the installation and connection process between the cable branch box and the cable joint is correct, whether the installation process of the cable head is familiar, the sequence of the combination of the internal components of the cable branch box and the cable joint, and whether the operation is carried out according to the installation specifications provided by the manufacturer, etc., will directly affect the service life and normal operation of the cable branch box.

Before the operation of the cable branch box, it is necessary to check whether the grounding wire of each branch cable is firmly connected with the grounding terminal of the box. At the same time, the box shell must be directly connected with the grounding grid or have obvious grounding point.

After the installation of the cable branch box, the cable components must be tested together according to the relevant test standards and conditions.

Welcome new and old customers to consult and discuss.

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