What should I pay attention to when lying directly buried? Under what circumstances?When laying cables directly underground, it is necessary to consider whether the cables are susceptible to damage caused by external impacts.1 If it will not be subjected to large impacts, direct laying is possible.2 If it may be subject to some relatively large impact, b...
In China, the land is vast, and different temperature zones are distributed from the south to the north, and there is often a relatively large temperature difference between the north and the south.Therefore, when selecting materials for integrated wiring, we should pay attention to the minimum and maximum temperatures of wiring places.Choose the cabl...
Environmental requirements for cable layingToday's wire and cable are used to power transmission (magnetic) and can realize electromagnetic energy conversion, information, and wire products. Let's look at the wire and cable laying conditions.1. The ambient temperature. Because the weather temperature is variable, the environment tem...
Preparation of cable laying(1) According to the design drawings, familiar with master each link, the first audit arrange profile if there is a crossover cable, whether reasonable, the location of the cable bracket creating every cable, for laying cables.(2) To avoid waste, collect cable arrived, verify the actual length and the length are appropriate d...
