Decoration to buy electricity crack the way to crack the real wire

Home appliances can not be separated from the wires, and now there are many types of wires sold in the market. Some poor quality products are mixed in and removed, and electrical wiring is a basic project in home decoration. The quality of the works is directly related to the households. Electricity safe and convenient. Let's take a look at the way to crack real and fake wires today

First, to fully understand the purchased wire manufacturers, see the wire certificate, brand name, site.

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Second, when buying wires, use a vernier caliper to measure the copper diameter of the inner core. Take the general 2.5 square wire as an example. The qualified copper wire diameter is generally 1.78 millimeters, while the fake and shoddy products are generally only 1.76 millimeters. 1.76 mm or less. At the same time, pay attention to the weight of the wire. A qualified roll of 2.5 square feet of Yongtong wire has a length of 100 meters and a weight of 3.1 kilograms. Other wires may not be the same in length and weight.

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