Recently home decoration, wires do not know what kind of good to buy. The plumber said he wanted me to buy hard wire, and the neighbor's repairman asked me to buy soft wire, which was completely covered. Both men swear they are right, but which of them is wrong?
Wire and cable manufacturers reveal the basic knowledge of wire and cable construction, how much current can the maximum 1mm2 power line pass, how much power? For example, 2.5 square wire, how to calculate the size of the wire to be used in engineering construction?
The national standard cable is literally understood as a wire and cable produced in strict accordance with national standards. China has clear provisions on the appearance of the cable, mechanical strength, insulation of the sheath, compressive strength, wire resistance and other aspects, different categories of cables have different national standards, mainly the following:
Wire and cable refers to wire products that transmit electrical (magnetic) energy, information and achieve electrical (magnetic) energy conversion. China's wire and cable products are divided into the following five categories according to their use