Power network and local distribution cables form the critical infrastructure that delivers electricity from generating stations through transmission networks to the final connection at residential, commercial, and industrial properties. These cables operate across multiple voltage levels: Low Voltage (LV) up to 1kV for final distribution, Medium Voltage (MV) at 6.35/11kV and 12.7/22kV for primary distribution, and High Voltage (HV) at 19/33kV for sub-transmission. In the UK, these cables must be approved by Distribution Network Operators (DNOs)—the regional companies responsible for operating the electricity distribution network from the National Grid to end users. The primary standard is BS 7870, which specifies cables for power distribution at voltages up to 36kV.

on05/01/2026

What are Power Network & Local Distribution Cables?

power network cable, distribution cable, utility cable, grid cable, power distribution, electricity cable, mains cable, network cable, DNO cable, electricity distribution

British Standard BS7870 Part 3 covers low voltage cables used for the provision of an electricity supply from a distribution main. These cables are manufactured in accordance with BS7870 Parts 3.11, 3.12, 3.20, and 3.22 for use by distribution and generation utilities. They are generally buried underground to connect individual houses or commercial properties to the grid by transmission, distribution, and power generation networks.

Technical Department

on22/12/2025

What is BS7870 Part 3 Cable?

BS7870 Part 3 cable, BS7870-3.11, BS7870-3.12, BS7870-3.21, BS7870-3.22, BS7870-3.40, BS7870-3.50, XLPE insulated cable, concentric cable, split concentric cable, waveform cable, 0.6/1kV cable, low voltage cable, PVC sheath cable, LSZH cable, low smoke zero halogen, copper conductor cable, aluminium conductor cable, underground distribution cable, service entrance cable, British Standard cable, UK power cable, CNE cable, combined neutral earth, utility distribution cable, BS7671 compliant, IEC 60228, Class 2 conductor, Class 1 conductor, residential power cable, commercial distribution, TN-S system, TN-C-S PME system, fixed installation cable, three-phase cable, single core cable, multi-core cable, power generation cable, transmission distribution cable, BS7870電纜, 低壓配電電纜, XLPE絕緣電纜, 同心電纜, 分裂同心電纜, 低煙無鹵電纜, 英國標準電纜, Anhui Feichun cable, Feichun Special Cable, 安徽飛純電纜