(1) When fixing the electrical box (panel), first clean up the debris in the box, and then straighten the wire, distinguish the branch and phase sequence, and bundle according to the branch. After positioning the cable ends, lead them to the container or tray, peel the cable ends one by one, and crimp the devices one by one. At the same time, press the PE PGND cable in an obvious position, and straighten the box or tray before fixing it. After the adjustment is correct, test the power supply and fill in the card box with the location and number of the card.
(2) When the distribution box is fixed on the wall, if the pipeline is secretly laid in the fence wall, and there is a dark junction box, the box mouth should be flush with the wall, and fire protection can be applied to the wooden fence wall, and fire retardant paint or fire retardant material lining for protection.
(3) The fixing of the concealed electric box should first find the elevation and horizontal size of the box according to the size of the reserved hole, and fix the box, and then fill the perimeter with cement mortar and smooth it, and then install the disk on the surface after the cement mortar is solidified. The surface of the mounting plate should be smooth, the surrounding gap should be uniform and symmetrical, the door plate should be smooth and not crooked, and the vertical force of the screw should be uniform.