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The difference between power cables and control cables

1. Implementation standards


The control cable is 9330, and the power cable is GB12706.



2. Core wire color


The color of the insulated core of the control cable is usually white on a black background, and the color of the low-voltage power cable is generally separated.



3. Section


Power cables are disposable load wires. Current carrying capacity increases with power. The applied cross-section of the wire must also increase with increasing current. Therefore, the size of the power cable is generally large, up to 500 square meters. , No matter how big the section is, there are generally fewer cable manufacturers in China that can do it. The control cable is a secondary command line used to control the current-carrying operation of equipment such as contactors. The load current is very small, and the wire cross section is very small. Therefore, the cross-section of the control cable is usually small, usually no more than 10 square meters.



4. Number of cable cores


The number of cores of the power cord is relatively small, there are single core, two cores, 3 cores, 4 cores, 5 cores and so on. According to the requirements of the power grid, the maximum is generally 5 cores. Control cables are used to transmit control signals, and have a large number of cores, ranging from 2 cores to 61 cores or even more. Control cables also adopt various core wire structures and shielding measures to obtain satisfactory electromagnetic compatibility effects.



5. Rated voltage


The rated voltage of power cables is generally 0.6/1kV and above, and the control cables are mainly 450/750V.



Premier Cable specializes in the production of power cable, RET control cable, coaxial cable, fiber optic cable, and custom cable assemblies.

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