What Is A Power Cable

The power cable is the wire of the transfer current. The usual current transmission is a point-to-point transmission. The power cables can be divided into AC AC power cord and DC DC power cable according to the purpose. Usually the AC power cable is a wire, which is highly voltage-wide, and the safety certification can be officially produced. The DC line is basically DC electricity with lower voltage, so there is no AC wire strict in the security requirements.

The structure of the power cable is not very complicated, but do not know quickly from the surface, if you go to study the power cables, some places still need to know the structure of the power wire. The structure of the power wires is mainly external to the outer sheath, the inner guard, the conductor, and the common transmission conductor with copper, aluminum wire, etc.

Outer sheath

The outer sheath is also known as the protective sheath, which is the outermost sheath of the power cables. This layer of outer sheath plays a powerful feature, such as high temperature, low temperature resistance, Anti-natural ray interference, good width performance, high service life, material environmental protection.
Inside care cover

The insulation sleeve is also known as the insulation sheath. It is an indispensable intermediate structure part of the power wire. The sake of the insulating jacket is insulation, ensuring power-saving safety of the power wires, allowing the copper wire and air to produce any leakage phenomenon. And the material of the insulating sheath should be soft, ensuring that it can be inlaid in the middle layer.

Copper wire

Copper wire is the core part of the power cord, and the copper wire is mainly the mass of the power supply line directly affects the vectors of the current and the voltage of the copper wire. The material of the power cord is also an important factor in the quality, the quantity and flexibility of the copper wire is also one of the factors considered.

Inside care cover

The inner guard is a layer of material between the wrapped cable between the shield and the core, generally a polyvinyl chloride plastic or polyethylene plastic. There are also low smoke-free haloys. According to the process, the insulating layer does not contact water, air or other objects, avoiding insulation and insulating layers from mechanical damage.

The power cord is a crucial role in the use of appliances for home appliances. If the power cord is broken, the entire appliance cannot be used. The home supply line should be used in BVV2 × 2.5 and BVV2 × 1.5 models. BVV is a national standard code, a copper sheath line, 2 × 2.5 and 2 × 1.5 represents 2 cores 2.5 square millimeters and 2 cores 1.5 square millimeters, respectively. Under normal circumstances, 2 × 2.5 is the main line, trunk, 2 × 1.5 to do a single electrical branch, switch line. Single-phase air conditioning dedicated to BVV2 × 4, a special ground wire.

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