Power cable The broad sense of wire and cable is also referred to as cable, the narrow sense of cable refers to the insulated cable, it can be defined as: composed of the following parts of the aggregate; One or more insulated wire cores, and the cladding, total protective layer and outer protective layer they may each have, and the cable may have additional uninsulated conductors.


First, laying cables for operation should be set up special management unified leadership command. Before the operation, the technical person in charge or the commander of the operation should explain the operation environment requirements, contact signals and safety precautions to all the student operation designers of the enterprise. There should be a clearer division of Labour, collaboration and commitment among operational staff. In residential areas and near highway and railway development traffic arteries, special personnel should be supervised and monitored, the well should be set up "ahead construction, vehicle detour" sign, and the red light sign should be set up at night.

Second, the cable laying, should choose a hard flat ground to support the cable shaft, the use of screw support should be flexible, strong and safe and reliable, to ensure that the cable shaft is vertical when the end face is set up and the drum is horizontal. After the cable shaft protection board is removed, it should be kept in a centralized manner to prevent nails from stabbing people's feet.

Third, when the cable is laid in the ditch, the operator should pull the cable to the bottom of the ditch by hand or shoulder. At the bend, the operator must stand on the outside of the cable to avoid being lifted by the cable, and the hand should be far away from the upper mouth so as not to touch the finger. Wear gloves when laying cables.

When the cable is laid, the bending radius of the cable must be guaranteed at all times within the permissible range.

Fifth, the cable should be laid in the ditch should first remove the debris in the ditch to clean the environment, and no hard and sharp things are allowed in the sand pad; When laying along the wall or overhead, it must be more stable and reliable, and the overhead laying should comply with the relevant information security management provisions of the overhead and line design and construction.

Six, in the same trench laying cable tunnel number, which is running the project needs to be moved in the cable, in addition to the approval of the person in charge of the electrical equipment, must also develop site safety measures, and hand orders, the length of the moving cable should not exceed 100 microns. 10kV and charging cable movement prohibited above. The bending radius of the cable must be within the allowable range.

7, cable head operation, the use of blowtorch or open fire heating system should have a fire management measures, flammable materials, chemical learning materials and oil should be properly stored and away from the main heat source.

8. Wear protective gloves when handling cable glue during operation; When handling the heated cable glue, use a bucket with a mouth and a lid. Care should be taken not to spill or tip the glue when transferring it. In addition to wearing sleeves, wear long-sleeved work clothes, wear shoe covers, and wear a mask if necessary.

9. When filling cable glue at a high height, we are not allowed to stand below, and operation managers should wear protective glasses. When heating control cable glue or melting lead, wear a mask, gloves and shoe covers, and stand on the world's upwind side, and take on-site measures to prevent water droplets from burning inside the cable glue; When taking molten lead with a spoon, the spoon should be preheated first to avoid splashing lead.

Ten, must slowly melt the plastic cable warm fire, fire is prohibited. By brazing cannot be heated into a container, the mouth of the container should be covered to avoid spillage.

11. In the operation of making epoxy resin cable head, when drying quartz powder, a mask must be worn, and protective management glasses and medical data gloves should be worn to prepare the liquid medicine. The site construction ventilation system must be in good condition and operate on the upwind side of the market. When the skin can come into contact with the amine curing agent, it should be immediately wiped with water and rinse and alcohol. If you find yourself dizzy or tired, you should immediately leave the enterprise site and go to a ventilated place to rest.

Qingdao Tianxing Cable Co., Ltd. specializes in the production of customized wire and cable manufacturers, exports to more than 40 countries and regions around the world, the annual production capacity of 1 billion yuan. 6000 square meters of storage, standing hundreds of millions of inventory, order demand for rapid distribution and delivery, large prices more favorable. Hotline: 16678668090/ 16678668098