Cable Conductor Cross-sectional Area

Now let the flexible cable manufacturer talk about it for you. The selection of the cable conductor cross-sectional area needs to meet the requirements of load current, short-circuit current, and thermal stability during short-circuit. The specific principles are as follows:

1. In order to ensure that the conductor temperature does not exceed the allowable working temperature and short-circuit temperature when the cable is in operation, the cable conductor cross-section should be selected from the nominal cross-section series of the cable according to the load current and short-circuit current of the cable line.

2. For transmission and distribution cable lines, the cable conductor cross-section is mainly selected according to the load current and the long-term allowable temperature of the cable conductor. Therefore, the corresponding conductor cross-section should be selected according to the two load types

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