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Precautions for the purchase of overhead insulated cables

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Precautions for the purchase of overhead insulated cables

作者: Release Date: 2018-07-21 Author: Click:

Overhead insulated wire

There are many types of electric wires in the market, and it is necessary to use suitable electric wires according to my electric load. Some of the wires sold in the market are cheaper and more expensive, and some people tend to choose cheaper ones. However, cheap wires often have many functions that fail to clarify what he explained. Hidden dangers.

The consumer technical content of the wire is not too high, and the original information is not much different. If it is too cheap, it will either be cut corners or the quantity will not be enough. So how to buy it? Tell you a few ways to buy:

Wire appearance sign

According to the national rules and regulations, the appearance of the wire should be marked with the manufacturer's name, product model, and the continuation of the additional voltage. This is conducive to finding the manufacturer in time when there is an outbreak of results during the use of the wire, and consumers must pay attention to this when purchasing the wire.

At the same time, consumers should pay attention to whether the manufacturer's name, product model, extra voltage and printed markings on the appearance of the wire can be different when purchasing wires to avoid counterfeit goods.

Wire appearance

Consumers should pay attention to the appearance of the wire should be smooth and smooth, the insulation and sheath layer should not be damaged, the logo printed clearly, and there should be no light feeling when touching the wire. Seen from the cross section of the wire, the thickness of the insulation or sheath over the entire circumference of the wire should be even and not eccentric, and the insulation or sheath should have a certain thickness.

Conductor diameter

Consumers should pay attention to whether the wire diameter of the conductor is consistent with the cross section indicated on the certificate when purchasing the wire. If the cross section of the conductor is too small, it is easy for the wire to heat up and cause a short circuit. It is recommended that the wires for household lighting circuits use 1.5 square millimeters and above; household appliances with high power such as air conditioners and microwave ovens should use 2.5 square millimeters and above.

Application of standards

Standard wiring should be used. BV single-core wires should be used for the fixed wires to pass through the pipes. Be careful not to damage the wires when wiring, and do not damage the wires when decorating the room. Do not connect the two ends of the road; Hit the line.

URL of this article: http://pdaavenue.com/足球彩票/374.html

Keywords: overhead insulated conductor

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