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Anonymous users2024-01-24As long as there is no weak current, it is fine.
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Anonymous users2024-01-23Yes, it just depends on what is required.
Lee Jung-hyun's ==
SuRi SuRi MaSuRi this song is not? >>>More
Calculated by meter, how much is a meter, this still depends on the project bidding, the construction unit and the construction unit signed by the winning bidder. General power industry and metallurgical industry and other specialized construction teams, their nature is different, the process standards for laying cables are different, and the price of laying one meter of the same 90 square cable will be different.
In addition to the mineral insulated cables in the ceiling, the rest should have fire protection measures. Look at the high and building regulations.
This practice is not allowed by any norm. Theoretically, PVC is flame retardant, once the wire catches fire, then the PVC flame retardant pipe can stop the fire from continuing to expand, because PVC is not easy to burn We analyze your room hazards from two points. >>>More
The ceiling air conditioner must be installed before the ceiling can be suspended, otherwise the installation and construction will be affected. If the ceiling has been suspended, you can only ask the master to disassemble a part of it to facilitate the installation of air conditioning.