What's the power cable Requirements for AC/DC power distribution


The conductor in the neutral wire must have the same cross-sectional area as the conductor in the live wire.

The DC power feeder should be selected based on the long-term load. If the cross-sectional area exceeds 95 mm2, a hard bus cable should be used. If there is a great difference between the short-term load and the long-term load, cables can be routed by stage.

AC/DC conducting wires should be flame-retardant and be routed according to the Code for fire protection design of tall buildings (GB50045-95). Low voltage power distribution rooms should be designed and configured according to the Code for low voltage distribution and circuit design (GBJ54-83).

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