1. Install the fire lighting distribution box firmly, open the cover of the receiving branch chamber, connect the cable to the wiring terminal through the lead-in installation, connect the surface and internal grounding wire, close the cover after checking, fasten it with fasteners, and tighten the compression nut to seal the cable, which can be used after completion.

2. The distribution box shall not be disassembled at will. Before maintenance, the cover can be opened for maintenance after disconnecting the power supply. During maintenance, the flameproof surface shall not be damaged. After maintenance, the flameproof joint surface shall be coated with 204-1 antirust oil, the cover shall be closed, and can be used only after being fastened with bolts.

3. It shall be checked regularly. If the invention parts are damaged, the manufacturer can provide spare parts.

4. The installation inclination of fire lighting distribution box shall not exceed 5 °.