Power cables are used to transmit and distribute large- […]
Power cables are used to transmit and distribute large-function electrical energy in the main line of the power system. The control cables directly transmit electrical energy from the power distribution point of the power system to the power connection lines of various electrical equipment and appliances. The rated voltage of power cables is generally 0.6/1kV and above, and control cables are mainly 450/750V. When power cables and control cables of the same specification are produced, the thickness of the insulation and sheath of the power cables is thicker than that of the control cables.
First of all, control cables are cables for electrical equipment, and power cables are two of the five categories of cables.
The standard for control cables is 9330 and the standard for power cables is GB12706
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 color-separated.
The cross section of the control cable generally does not exceed 10 square meters, and the power cable is mainly used for power transmission, and generally has a large cross section.
Due to the reasons mentioned above, the size of the power cable can generally be larger, as large as 500 square meters (the range that can be produced by conventional manufacturers), and there are relatively few manufacturers that can make the larger section, while the section of the control cable is general. Smaller, the maximum generally does not exceed 10 square.
In terms of the number of cable cores, the power cable is generally 5 cores at most according to the requirements of the power grid, and the control cable is used to transmit control signals, and there are more cores. According to the standard, there are 61 cores, but it can also be produced according to user requirements.