A puppy travel in the desert, found the poles, the results still suffocated, why?
Design the fire with other weak cable when the separation away, the fire bridge and the weak system of the bridge in principle is to be separated. Fire bridge and weak system of the background music broadcasting system, like a bridge, is a fire effect, for emergency broadcast purposes, it is not recommended with other weak system with the pipeline laying
You can share a trunking. Respectively, on both sides of the laying can be, without partitions. Not with the same line laying.
In the manufacturers where the cable is on the number of meters, the retailer's words are, up to give you some preferential prices.