The wiring in the distribution box installation is clean and safe. When the wiring in the pipe enters the panel, it must be neat and bundled along the periphery of the box. The wire is connected with the tool, the wiring position is correct, the connection is stable and thorough, and the core wire is not damaged. When the platen is connected, when there is no loose bolt connection on the platen, there are no more than 2 wires on the same terminal, the anti loose washer and other accessories are complete, and the zero line is connected through the bus (zero line terminal), without texture. The periphery of the panel of the distribution box shall not be pulled into the plastering layer along the wall, nor shall it protrude the sand coating layer. After the distribution box is installed, the internal garbage must be cleaned up.

The lighting box in the basement is 1.5m from the bottom, the lighting and distribution box installed in the passage on the first floor is 1.7m from the bottom, the installation height of the control box is 1.5m from the center, and 1.3m (the box height is above 0.8m) or 1.5m (the box height is above 0.8m) from the center of the distribution box installed on the wall, Remove the wooden box when installing the distribution box.

For electrical piping, the power supply installed on the distribution box is arranged from left to right. When installing the box in the distribution box, the box tapping button must be removed. When the number of holes punched in the box is insufficient or the diameter of the holes is inconsistent with the pipe diameter, the hole can be drilled with the hole opener, and the box can be disassembled and installed with metal expansion bolts. The setting of the distribution box is horizontal and vertical. After the box is placed, the perpendicularity of the box can be found with a ruler plate to meet the specifications. The verticality of the box shall not exceed 1.5mm when the box height is less than 500mm. When the height of the box is more than 500mm, it shall not exceed 3mm. The pipe box is straight and the exposed length is less than 5mm