The power distribution cabinet (box) is divided into the power distribution cabinet (box) and the lighting distribution cabinet (box), which is the final equipment of the power distribution system.
1. Distribution cabinet (box) installation
The installation requirements of the power distribution cabinet (box) are: the power distribution cabinet (box) is made of non-combustible materials; the production site and office with low risk of electric shock can be installed with an open switchboard; the risk of electric shock is high or the working environment is poor. Closed cabinets should be installed in processing workshops, foundry, forging, heat treatment, boiler rooms, woodworking rooms, etc.; there must be installed closed or explosion-proof electrical equipment with conductive dust or dangerous working places that generate flammable and explosive gases. Facilities; electrical components, instruments, switches and lines of the distribution cabinet (box) should be arranged neatly, firmly installed, easy to operate, cabinets (boxes) should be free of dust, water and debris; floor of cabinets (boxes) installed on the floor It should be 50~100 mm above the ground; the height of the center of the operating handle is generally 1.2~1.5m; the obstacles in the range of 0.8~1.2m in front of the cabinet (box); the protection line is reliable; there must be no bare electric outside the cabinet (box) External dew; electrical components that must be mounted on the outer surface of the cabinet (box) or on the switchboard must have a reliable screen.
2. Distribution cabinet (box) operation
All electrical components and circuits in the power distribution cabinet (box) should be in good contact and reliable in connection; there must be no serious heat or burnout. The door of the power distribution cabinet (box) should be in good condition; the door lock should be kept by a special person.