In addition, you should pay attention to the engineering quality of hydropower. Now introduce several inspection methods and construction standards.
First look at the wire construction method:
1. Whether electrical products are qualified products that meet relevant standards.
2, the use of fire-retardant dark pipe laying, wire should not have knots and kinks in the pipe.
3. It is forbidden to directly bury the wires in the plaster layer.
4, "Fire line into the switch, the zero line into the lamp", socket wiring should meet the "left zero right fire ground on the" provisions.
5, air conditioning and high-power electrical appliances should be set up separately (flame-retardant tube processing).
6, power lines, television lines, telephone lines must not be installed in the same pipeline.
7. The switches and sockets are firmly installed and the position is correct. The cover plate is upright, close to the wall, and there is no gap around.
After the installation of electrical engineering, electrical power should be provided, lighting test light, switch control and so on. After the completion of the project, the customer shall be provided with wiring drawings showing the wire specifications and directions.
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