Setting description of distribution box - power distribution box:

The distribution box, power distribution box and lighting distribution box should be set separately, and the power and lighting lines in the same distribution box should be set separately. The electrical appliances in the distribution box shall be first installed on the non-metallic or wooden electrical installation board, and then fastened in the distribution box as a whole. The metal plate shall be electrically connected with the iron distribution box. The switchgear in the distribution box and switch box shall be fastened on the electrical installation board according to the specified position without skew and looseness. The working zero line in the distribution box and switch box shall be connected through the terminal board, and shall be set separately from the protective zero line terminal board. The metal box of distribution box and switch box, metal electrical installation board, distribution box and electrical appliances in the box shall not be charged with base, shell, etc.