Home improvement PVC trunking wiring process

1. Use a hammer to punch holes, put a plastic expansion bolt, open the cover by hand, and screw the bottom plate into the expansion plug with wood screws. When there is no electric hammer or impact drill, you can directly nail the bottom plate with cement nails. On the wall, corners and corners can be used for the corners, the corners, and the tees.

Second, after leaving enough wire ends at the power supply and socket, put the wires into the bottom plate, buckle the cover plate, and discharge the discharge wire and the buckle bottom plate at the same time. The interface between the bottom plate and the cover plate should be staggered. When the lamp line is discharged, the zero line does not pass the switch, and the lamp head and the power supply are directly connected; the fire line must enter the switch, and the switch should have enough wire ends.

Third, the trunking is not long enough. When you need to connect, you can cut the slot as needed. The tool can use a utility knife or a diagonal pliers. When the bottom plate and the cover are cut at the same time, you can use a hacksaw.

With sheathed wire wiring, it can be directly laid in the hollow floor and on the wall surface. Firstly, use pencil and carpenter to draw the line with ink fountain. Fix it with steel fine head or plastic line card. The line card spacing is 20cm. Straight flat, try to tighten as much as possible when wiring. When turning on the same wall, it must be vertical. The bending radius at the corner is 3 to 4 times the width of the sheath line, and a line card is placed between the upper and lower sides when the cross is crossed.

General requirements: 1. If the sheathing wire is not long enough during wiring, the wire core is not allowed to be directly connected to the wire core, but is connected by a terminal block such as a junction box, a socket, a switch, or the like.

2, the sheath line should pass through the beam, the wall, the floor and the crossing line, etc. There should be a protective tube, and each line of the tube should have a line card. The ends of the wires that span the settlement joints of the building shall be fixed and reliable, with a suitable margin between the gaps.

3. It should not be directly buried in the plaster layer and should not be laid in the outdoor open space.

4. When the plastic sheathed wire enters the junction box or is connected to the electrical appliance, the sheathed wire should be introduced into the box 150-200mm.

The general process of the dark line process is scribing positioning→grooving→installation bottom box→clothing→threading→intermediate acceptance→sealing→lighting installation→installing switch panel and socket panel.

Line positioning

According to the direction of the wire on the design drawing, the traditional scribing tool has a carpenter ink fountain, the modern scribing tool has a laser scribing instrument, a laser range finder integrating the measuring line, the cassette positioning, and the open line switch socket. Position the box ruler and pencil.

The traditional ink fountain is manually retracted, and it will not automatically pick up the line. Now there is an ink fountain that will automatically take up the line, there is ink to make the toner. When using the ink fountain, two people usually use the elastic thread, and the ink fountain requires two. When you play the line, take one in each of the two hands and connect the lines in the two ink fountains together. In this way, one person turns the wheel on the ink fountain, so that one end of the ink line is returned to the ink, and the ink line in the other hand has been glued to the ink to perform the elastic line. In this way, through the ink line, you can play the line. This method of bombing saves time and avoids moving back and forth.

The laser marking instrument is also called laser marking instrument. It features: the laser line width is controlled within 6mm, and only 220V power supply can be used in high temperature environment. When using a laser scriber, it should be noted that because the laser is a medium-power laser, improper operation may cause damage to the eyes. In general, the management of the laser must be dedicated. When using it, safety measures must be taken to protect the eye, for example, according to the wavelength of the laser. Use protective glasses with appropriate optical density.

Slotting

Determine the groove width: according to the pipe diameter of the PVC pipe, and then determine the width of the groove. If a 16mm PVC pipe is used, the groove depth is 20mm; if a 20mm PVC pipe is used, the groove depth is 25mm. The horizontal wall of the light body wall shall not exceed 50cm; the load-bearing wall shall not allow lateral slotting; the lateral wall of the inner insulation wall shall not exceed 100cm.

Slotting principle:

1 route shortest principle;

2 does not destroy the original principle of strong electricity;

3 does not destroy the principle of waterproofing.

The construction specification requires horizontal and vertical, and if it is not constructed according to the construction specifications, the following problems will occur:

1. When the operation is not carried out according to the requirements, the groove opened is like a spider web, and it is horizontal and chaotic, especially the chute. The consequence is that cracks appear on the walls that have been grooved, and the extent of the cracks will gradually spread around.

2. The depth of the groove is different, not according to the requirements, resulting in uneven thickness after the pipe is buried, affecting the future use; at the same time, it will affect the flatness of the wall.