What is the process of indoor plumbing and electrical installation

1, wire, casing and other products must be qualified products in line with relevant standards.

2, it is prohibited to bury wires directly into the plaster layer, the use of flame-retardant casing laying.

3, the direction of the pipe horizontal straight, the area of the wire inside the pipe shall not exceed 40% of the cross-section of the pipe.

4, the top surface or local load-bearing wall grooving depth is not enough premise, can be changed to soft casing.

5, wire in the pipe shall not have joints and kinks, joints shall be added to the bottom of the box, to facilitate future maintenance.

6, wire joints must be shabu-shabu or with special connectors.

7, kitchen and bathroom joints are recommended to do waterproof treatment, you can use high-pressure self-adhesive waterproof tape and black tape.

8, "fire into the switch, zero into the lamp", socket wiring should be consistent with the "left-zero, right-fire ground on the" provisions.

9, air-conditioning and high-power electrical appliances should be a separate pipe (flame retardant pipe processing).

10, air conditioning, ordinary sockets, lighting and other independent circuits are strictly prohibited, each independent circuit with leakage protection device.

11, power lines and other strong electricity shall not be installed in the same pipe with TV lines, telephone lines and network lines and other weak electricity.

12, weak and strong power if you need to run parallel to the line, pipe to pipe parallel distance greater than 50cm, conditions do not allow the use of shielded wire.

13, in the increase of the bottom box, similar bottom box must be in the same horizontal and vertical lines. The new bottom box should be leveled with the wall and installed firmly and squarely.

14, wire pipe in more than three bends, need to add a connection box, no dead bend. The wires can be pumped.

15, before the pipe is closed, must use a rocking meter to measure the wire whether there is a short circuit, line to line insulation resistance value between the larger the better.

16, switches, sockets are installed firmly, the correct position, the cover is correct, close to the wall, no gaps around.

17, weight more than 3 kilograms of lamps and lanterns, must be fixed on the bolt or pre-buried hook, prohibit the use of wooden wedges.

18, the installation height of less than 2.4 meters of the lamps and lanterns metal shell must be done to protect the ground, the bathroom must choose waterproof socket.