Ukk Junction Box Installation Steps

1. Installation of various single pole distribution block

(1) modular distribution block is installed on cement poles (using metal back frames).

(2) Installation of terminal block 250a.

2. Installation of indoor branch line equipment

(1) Installation of din power distribution block

① terminal block distribution installed on the wall of the corridor, its installation height is above the mirror line or the bottom of the box is 2500mm from the floor.

② distribution block installed on the indoor wall can be installed above the skirting, and the bottom of the box is 50mm from the skirting.

③ power distribution block installed in the cable riser room should be installed vertically, with its lower part 1500mm from the floor.

④ The wall-type indoor distribution blocks electrical is installed with lead tenons and wood screws.

3. The installation of the niche-type distribution box is divided into two parts: the installation of the box body and the installation of the connecting components in the box.

① The installation of the box shall be carried out by the housing construction department according to the design requirements.

② The lower edge of the box is 1000~1300mm from the floor, and the box edge is ≥1000mm from the wall corner.

③ The length of the user line of the cable pipe entering the box shall not exceed 15mm. The pipe mouth is blunted and the teeth are cut, and then the pipe is connected to the box with a nut, as shown in Figure 7-16.

④ The installation of the connecting components in the box includes the installation of the threading plate and the template. The module should be installed in the center of the box.