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18/30kv Power Cable

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10kv 3X240mm2 Three Core Power Cable with Armouring
Brand:
 HUAYUAN YONGTONG
Packaging:
 STEEL/WOODEN
Supply Ability:
 1000KM/M
Min. Order:
 1000
Certificate:
 ISO
Model No.:
 Middle Voltage Electric Cable

Electrical Wire Cable

Huayuan Gaoke Cable Co., Ltd. was established in 1998,located in Daxing District in Anhui China. The factory covers an area of over 20,000 square meters and has eighteen domestic and foreign advanced...
Low Voltage Kinds Of XLPE electrical Power Cable
Brand:
 HY / OEM
Packaging:
 Wooden Drum
Model No.:
 YJV
Place of Origin:
 Guangdong, China (Mainland)

Cat 6 Network Cable

Hongyan Profile: Shenzhen Hongyan Wire Industry Co., Ltd, was established in 1999, is specialized in Electric wires, Power Cables, Network Cables, Lan Cables, Telephone Cables and Coaxial Cables. The Company...
Best Price of 18/30KV Middle Voltage XLPE Insulation Electric Power Cable
Brand:Huanya
Packaging:wooden drum packing
Certificate:CCC, ISO9001:2008
18/30KV XLPE Electric Power Cable Application PVC/XLPE power cable is used to transmit and distribute power in power transmission and distribution system of 35kV or lower. It is generally applied to the fields including power, construction, mines, metallurgy, petrochemical industry and communication in complete...
China 18/30kv Power Cable Suppliers

For circuits operating at or above 2,000 volts between conductors, a conductive shield may surround each insulated conductor. This equalizes electrical stress on the cable insulation. This technique was patented by Martin Hochstadter in 1916; the shield is sometimes called a Hochstadter shield. The individual conductor shields of a cable are connected to earth ground at the ends of the cable, and at locations along the length if voltage rise during faults would be dangerous.

Cables for power distribution of 10 kV or higher may be insulated with oil and paper, and are run in a rigid steel pipe, semi-rigid aluminum or lead sheath. For higher voltages the oil may be kept under pressure to prevent formation of voids that would allow partial discharges within the cable insulation.


A high-voltage cable designed for 400 kV. The large conductor in the center carries the current, smaller conductors on the outside act as a shield to equalize the voltage stress in the thick polyethylene insulation layer.Modern high-voltage cables use polyethylene or other polymers, including XLPE for insulation. They require special techniques for jointing and terminating, see High-voltage cable.

Many multiconductor cables have a bare or insulated grounding or bonding wire which is for connection to earth ground. The grounding conductor connects equipment enclosures to ground for protection from electric shock.

Electrical power cables are often installed in raceways, including electrical conduit and cable trays, which may contain one or more conductors.

A hybrid cable can include conductors for control signals or may also include optical fibers for data.