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Use safety of distribution board and switch box

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1. It shall be installed and consolidated to facilitate actual operation and maintenance.

2. For floor mounted distribution board and switch box, the setting address shall be flat and higher than the road surface, and no dirt shall be accumulated around it.

3. The three-phase five wire outlet and group outlet should be built at the bottom or side of the box. The transformer grounding wire of switching power supply should be threaded through conduit and set with moisture-proof elbow.

4. The transmission lines in the box shall have good insulation layer, neat sequence, fixed and consolidated, and the edge of the transmission line shall be connected or sleeved with screws.

5. The distribution board with about 3 control circuits shall be equipped with main knife switch and separate knife switch. Each shunt knife switch shall not be connected to two or two left and right electrical equipment, and shall not be used by two or two left and right operation groups.

6. The power distribution board integrating lighting lamps and driving forces shall be equipped with knife switches or other types of power switches respectively.

7. The communication contactors, knife switches, power switches and other electrical equipment installed in the distribution board and switch box shall be easy to handle and touch, and the circuit breaker has no serious crevice corrosion.

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