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When there is a breakpoint fault in the cable or inside the cable, it is difficult to visually determine the location of the breakpoint due to the wrapping of the external insulation.

Recently, everyone will encounter a problem in the decoration. Is it better to use copper wire or aluminum wire for household wires?

​ The storage and transportation of wire and cable products are two very important links. If the storage and transportation methods are improper, the quality of wire and cable products will be damaged and the safety of use will be affected.

When the photovoltaic cable in the operation process through a certain load current, will produce a certain amount of heat, with the increase of the cable load current, the cable surface temperature will be gradually higher, if not treated in time, the consequences can be imagined, such as PVC cable, to the core temperature of 70 degrees as the upper limit, the surface temperature will be 5-10 degrees lower, therefore, The surface temperature of photovoltaic cable is basically safe below 60 degrees. From the point of view of power maintenance, the lower the temperature, the better.

Rvv sheath line is an important part of our wire and cable. So it's not that Rvv sheath wires are not better than THHN wires and vice versa. What are the differences between the two, the two sheath lines are suitable for different applications, what are the differences between them?

For building engineers, wiring is also a top priority, because the wiring can be better used wire more durable, some people just do not understand this measure, the wire procurement back to lay the use of random, then we will understand the wiring knowledge!