(E-5A-4) is an ideal protective material for the energy industry (nuclear power, petrochemical industry) emergency circuit, cable tray fire separation, and other electrical control systems. More
Is the accompanying cable, usually flat cable. The number of cores are generally more than 30 cores, responsible for the transmission elevator system communication, door lock security circuit, power, intercom, video surveillance and so on. Is to follow the car to go, the number of floors is relatively high, with the cable will be used in the steel core to improve durability.
It will not be normal, you try to know, but you can use the RF converter to audio and video through the converter into a radio frequency signal and then a coaxial cable into the TV antenna at the search station on the line, the converter to Repair home appliances to buy also about ten, I hope you can get
There are so many cables connected to the top of the elevator box, to the elevator power supply, including control cables, power cables, lighting cables, see below:
