The production points of emergency lighting distribution box are as follows:

1. The energy distribution system in the construction site realizes the hierarchical distribution of energy. The main distribution box (or distribution room) must be equipped. The distribution box and distribution box of the switch box are set at the bottom, and the power consumption is at the bottom of the switch box. Equipment

2. The main distribution box must be located near the power supply; The distribution box shall be installed in the area where the electrical equipment or load is relatively concentrated; The distance between distribution box and distribution box shall not exceed 30 m. The distribution box must be set in the last level distribution box] the horizontal distance between the distribution box and the distribution box and the fixed electrical equipment controlled by it shall not exceed 3 m.

3. The distribution box and distribution box must be installed in a ventilated, dry and normal temperature place. It is strictly forbidden to install it in gas, smoke, steam, liquid and other harmful medium with serious damage, and it should not be installed in the place vulnerable to heat source impact, vibration, liquid and furnace splash; There must be enough space and Corridor around the distribution box, so that two people can work at the same time. It is not allowed to stack the articles that hinder the operation and maintenance. There should be no weeds or bushes.

4. The distribution box and distribution box must be made of iron sheet or high-quality insulating material, and the thickness of iron sheet must be greater than 1.5mm; The equipment in the distribution box must first be installed on the electrical installation board with metal insulation layer or without wood, and then tightened and fixed in the distribution box; The metal plate and the shell of the distribution box must be electrically connected.

5. The connecting cables in the distribution box and the distribution box are insulated cables, the connection shall not be loose, and there shall be no exposed live parts. The neutral cables working in the distribution box and the distribution box must be connected, and the circuit board shall be divided by the terminal block and the terminal block to protect the zero line; The metal box, switch box, metal plate for electrical installation and non electrified metal base of the distribution box as well as the shell of the electrical appliances in the box must be protected and connected to neutral, and the protective zero line must pass through the terminal

6. The distribution box and lighting distribution box must be installed separately. If they are placed in the same distribution box, the power supply and lighting lines must be installed separately.

7. The distribution box and the cable inlet and outlet on the distribution box must be placed at the bottom of the distribution box. Do not put them on the top, side, back or door of the box; The incoming and outgoing lines shall be sheathed to form bundles and be waterproof folded; The wire harness shall not be in direct contact with the inlet and outlet of the box; It is forbidden to connect the power line and plug into the distribution box. Rubber insulated cable must be used for output line.