1. Different functions: Power cables are used in the main line of the power system to transmit and distribute large-function electrical energy; control cables are used to control wiring of electrical equipment and appliances.
2. Different categories: power cables belong to the second category of the five major categories of cables; control cables belong to the third category of the five major categories of cables (cables for electrical equipment).
3. Different standards: The standard for power cables is GB12706; the standard for control cables is 9330.
4. Different voltage levels: the rated voltage of power cables is generally 0.6/1kV and above; control cables are mainly 450/750V.
5. Different structure: When the power cables and control cables of the same specifications are produced, the thickness of the insulation and sheath of the power cables is thicker than that of the control cables.
6. The identification of insulated core wires is different: the insulation of power cables is generally separated by color; the color of insulated cores of control cables is generally a single-color printed serial number.
7. The cross-section range is different: power cables are mainly used for power transmission, and generally have large cross-sections (hundreds or thousands of square meters); control cables generally do not exceed 10 square meters.
8. The range of the number of cable cores is different: according to the requirements of the power grid, the power cable is generally 5 cores, and the control cable is used for transmission control signals, and the number of cores is large. According to the standard, there are 61 cores.