2017年4月18日星期二

Did you buy the enough copper wire?

The electric copper wire is the essential material in the process of using electricity, of which quality is directly related to the household electrical safety. Therefore, how quickly and accurately check the quality of the copper wire when you are purchasing or selecting, also is a skill that the electrician must master.
Weight:
Good quality copper wire, usually within the specified weight range. Such as the used cross-sectional area commonly
1.5 square meters of plastic insulated copper wire, each weighing 1.8 to 1.9kg;
2.5 square meters of plastic insulated copper wire, each weighing 2.8 to 3.0kg;
4 square meters of plastic insulated single copper wire, 100 m weight of 4.1 to 4.2kg.
The poor quality of the copper wire is not enough weight, or length is not enough, or wire copper core impurities too much.
Copper core:
The qualified copper wire is purple black, yellow or white. It will break if mechanical strength and toughness is not good. Inspection, as long as you use electrical equipment to remove a wire 2cm, and then use a piece of white paper on the copper core slightly rub, if there is a black material on the white paper, indicating that the impurities in the copper core. In addition, the inferior copper wire insulation layer seems to be very thick which is mostly made of recycled plastic, the insulation layer will be aging and leakage after a period.
Manufacturers:
Chinese manufacturing of copper wire is developing with stable pace. We are fame manufacturer to produce the copper wire under standard requirements .We commit that assurance of good quality.
If you are interested in our copper wire products, please contact us without hesitation, we will answer with the fastest speed.

read more...(http://energy-saving-copper-tile-for-furnace.com)

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