How to identify the good and bad control cable?

I. How to identify the good and bad control cable? Control cable means insulated cable, it can be defined as: the following parts of the composition of the poly crowd: one or more edge of the core, and their respective likely to be stored in the cladding layer, the total maintenance layer and the outer sheath; the cable can also have additional uninsulated electrical conductors. First buy mining handle cable to correctly recognize the reliable brand, choose to comply with the relevant norms, and quality verification, in the factory certificate of conformity of the goods, to the reliable store or producer agency to buy wire and cable goods. Armored cable cable by different raw materials electrical conductors installed in the casing of metal materials with insulating raw materials, is produced and processed into a bendable firm cut-off line. Wire and cable to transmit electromagnetic energy, information content and the completion of electrical energy conversion cable goods. Theoretical wire and cable is also commonly known as cable, a small range of cable is the insulated cable, which can be defined as: a combination of the following parts; one or more insulated cores, and they are very likely to have the cladding layer, the total protective layer and the outer outer layer, the cable can also have additional electrical conductors without insulation. Secondly, we should pay attention to the transmission line material has copper, aluminum, aluminum money is very easy to air oxidation and decay, its connector part of the random ignition, fire accidents caused by the rate of copper wire is how many ten times, therefore, has been explicitly prohibited in the new construction of housing should be used in the copper transmission line. High-quality copper transmission line, its copper core using high-purity fine red copper, surface bright and slightly soft, poor quality core easy air oxidation, for the name of dark. Then there is the quality of mining handle cable, shoddy cable line using insulation materials are recycled particles, dull color, material puffy, uneven thickness, poor insulation capacity, with a fire engine ignition useful fire, casually brittle or by the working voltage penetration; and qualified insulation materials color dainty, thin and thick, after ignition of the oil stove these. Wire and cable to transmit electromagnetic energy, information content and the completion of the electrical energy conversion cable goods. Theoretical wire and cable is also commonly known as cable, a small range of cable means insulated cable, which can be defined as: a combination of the following parts; one or more insulated cores, and their respective likely to have the cladding, the total protective layer and the outer outer sheath, the cable can also have additional uninsulated electrical conductors.

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