What are the necessary functions and auxiliary functions of buried high voltage cables CPVC protection sleeves?
CT is a cable tray (abbreviated), 100 * 100 is wide and high. 1.8 indicates the thickness of the bridge. PS: general fire axle should be fire and flame retardant. The
Now use flat cable, the outside are high voltage. Accompanied by the cable has a spare line, looking for elevator maintenance, and talk about some New Year's words, he will give you to find four lines to.