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With the rapid development of power cable laying underground engineering, it puts forward higher demand for the protection of cables, cable protection sleeve is made of polyethylene PE and high quality steel pipe after sand blasting pretreatment, dipcoating, heat curing process produced. It is the protection of wire and cable, a kind of the most commonly used electrical insulating tube. Because of its good insulation properties, high chemical stability, no rust, no aging, can adapt to the harshenvironment and widely applied.
The next elevator cable manufacturers for the majority of users about civiliandecoration wire & cable safety knowledge:
The first point:
The wire surface markers according to national standards, continuous mark wire surface should be name of manufacturer, product type and rated voltage. This is conducive to the problem occurred in the process of wire used to timely findmanufacturers, consumers must pay attention to this point in the purchase of electric wire cable. At the same time, consumers should pay attention to the certificate is marked on the manufacturer name, model, rated voltage and wire surface printing signs are consistent in the purchase of the wire, to prevent counterfeit products.
The second point:
Consumers should pay attention to the wire wire appearance appearance should be smooth in the choose and buy when the wire insulation and sheath layer withoutdamage, logo printing clear, non greasy handprints wires. From the cross section of the wire, insulation or sheath around the entire circumference of the wire thicknessshould be uniform, not partial core, there should be a certain thickness of theinsulation or sheath.
The third point:
The conductor wire diameter consumers should pay attention to the conductor wire diameter and qualified certificate stated in the purchase of the wire section is consistent, if the conductor cross section is small, easy to make the electric wirefever caused by short circuit. Wire with 1.5 mm and above specifications recommended home lighting circuit; power of large household appliances should be2.5 mm and above electric air conditioning, microwave oven etc..
The fourth point:
Standard Specification for fixed line wiring should be used, it is better to use the BVsingle core wire wear tube, take care not to damage the wires in the wiring, don't damage the wires in the room decoration; not joint in a line; wire access electrical box(box) don't touch line; also used the larger power consumption of household appliances such as air conditioners should be a single line power supply; the best to maintain a certain distance, with weak electric wire.
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