Understanding ABC Cable

The Main Features of Overhead Insulated Conductors (ABC Cables)

Good Insulation Performance

The surface of the overhead insulated conductor is an insulating layer, which has good insulation.

Good Anti-Corrosion Properties

ABC cable outer layer of insulation, corrosion resistance, oxidation, and corrosion of the impact of small, can extend the service life of the line.

High Strength

Insulated wire is not steel core, but very tough, mechanical strength can meet the design requirements.

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Composition of overhead insulated wire

Wire Core

Overhead insulated conductors have aluminum and copper cores. Aluminum has low weight, low price, and low requirements as line connectors and support parts. Therefore, aluminum cores can use in distribution networks.

Insulation Material

The insulation protection layer of overhead insulated conductors is available in thick insulation (3.4mm) and thin insulation (2.5mm). The thick insulation allows frequent contact with trees when running, and the thin insulation only allows a short time to touch trees. The insulation protection layer has cross-linked polyethylene and light polyethylene, and a cross-linked polyethylene has more excellent insulation performance.

Overhead Insulated Conductor Laying Method

Overhead insulated conductor laying method: single laying, this way is based on the bare wire erection, plus ceramic insulator accessories, suitable for the old city renovation, this way, not only to reduce costs but also to increase the erection line.

Applications

Applicable to Multi-tree Places

People should avoid the trees when erecting bare conductors that is because of high maintenance costs. The use of overhead insulated conductors can reduce the inconvenience caused by tree erection, protect the ecological environment and reduce maintenance costs.

More Flying Metal Dust and More Pollution in the Region

 Old industrial areas, especially thermal power plants, chemical plants, and other polluted areas, overhead distribution lines are prone to short-circuit and ground faults. And the use of overhead insulated conductors can effectively route the short circuit of the grounding line.

Salt Fog Areas

Bare wire is susceptible to corrosion by salt spray, which will reduce the strength of bare wire. If encountered in the rain, the bare conductor is easy to break, a short circuit. Overhead insulated wire can reduce the degree of erosion of the conductor, slow the rate of aging and extend the service life.

Bare wire is susceptible to corrosion from salt spray, which can reduce its tensile strength. When it rains, the conductors are prone to breakage and short-circuiting, which shortens its life. The use of overhead insulated conductors can better prevent salt spray corrosion.  Since ABC cable has a protective layer of insulation, it has good corrosion resistance and can reduce the damage of conductors by salt spray. It delays the aging of the line and prolongs the service life of the line.

Areas with More Lightning

The insulation of the overhead insulated conductors also prevents accidents in the circuit during rainy days. That is because the bare wire can easily lead to lightning strikes during thunderstorms, causing circuit failures.

Old City Renovation

Overhead insulated conductors can withstand a voltage of 15kV, and the minimum vertical distance between the insulated conductor and the building is 1m, and the horizontal distance is 0.75m. Thus, overhead insulated conductors can replace the low-voltage trunk lines and send them directly to the load center, which can shorten the radius of the low-voltage grid and deliver power to the old city.

Beneficial to Typhoon Prevention

In typhoon-prone areas, the bare conductor is relatively poor typhoon resistance, prone to fault short circuits. Overhead insulated conductors are stable, not easily affected by the wind, and have a strong typhoon resistance.

Overhead insulated conductor instead of bare conductor has become a trend because it can better improve the reliability, stability, and safety of power supply, reduce line maintenance and management costs and help improve the economic benefits of power supply enterprises.

ZMS Cable Manufacturing Company, a professional cable supplier. We offer you a wide range of cable products. ZMS Cable Manufacturing Company's cable products include bare cables, overhead insulated cables(ABC cable), aluminum core wires, and rubber cables. Of course, we can also customize cable products according to your needs. All of our productions cables are high quality and low price cables. For more information about ZMS cable products, you can contact us.