This product is laid parallel to high-voltage power cables in channels or underwater, serving as differential longitudinal protection and transmitting various signals to electrical appliances, instruments, etc. in distribution devices
Number, telephone communication, carrier communication, and high-frequency signal applications; This product is widely used in places such as hydroelectric power stations, large power plants, and substations.
Production execution standards:
Adopting enterprise standards

technical requirement

1. The conductor shall comply with the provisions of GB/T3953-1997, and the surface of TR round copper wire shall be smooth and free of defects such as oxidation and discoloration;
2. The insulation is made of polyethylene, with a smooth and even surface;
3. Can be laid in the same trench as power cables, mainly using direct burial method;
4. Temperature range of cable working environment: -30 ℃ to 60 ℃ for polyethylene outer sheath, and -30 ℃ to 60 ℃ for polyvinyl chloride outer sheath- 15℃～60℃;
5. When laying cables, the ambient temperature should not be lower than -5 ℃, and the bending radius should not be less than 30 times the outer diameter of the cable.