The difference between power cable and control cable

The power cable is used to transmit and distribute large functional power in the main line of the power system, and the control cable directly transfers the electric energy from the power distribution point of the power system to the power connection line of various electrical equipment appliances. The rated voltage of the power cable is generally 0.6/1kV and above, and the control cable is mainly 450/750V. In the production of power cables and control cables of the same specification, the insulation and sheath thickness of the power cables are thicker than the control cables.

It is understood that the difference between power cable and control cable is as follows:

(1) The control cable is a cable for electrical equipment, and the power cable is two of the five major categories of cables.

(2) The standard for control cables is 9330, and the standard for power cables is GB12706.

(3) The color of the insulated core of the control cable is generally black and white, and the low voltage of the power cable is generally separated.

(4) The cross section of the control cable generally does not exceed 10 square meters. The power cable is mainly for transmitting electricity, and generally has a large cross section.

Due to the reasons mentioned above, the specifications of power cables can generally be as large as 500 square meters (the range that can be produced by conventional manufacturers), and the manufacturers with relatively large sections can be relatively small, and the cross section of the control cable is generally Smaller, the maximum is generally no more than 10 square feet.

According to the number of cable cores, the power cable is usually up to 5 cores according to the requirements of the power grid. The control cable transmits control signals and has a large number of cores. According to the standard, there are 61 cores, but it can also be produced according to user requirements. .

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