Household wire and cable optional Note

A lot of wires varieties on the market, according to their own electricity load to the appropriate wire. Wires to sell on the market and some cheaper and some more expensive, some people tend to choose cheaper, but cheaper wires, tend to have a lot of reach as he described the performance, so that might bring a lot of security risks. Wire production technology content is not too high, the raw material is not much difference, if cheaper too, either to cut corners, or the number does not give enough. How to go buy it? Say several optional methods:

1, the wire surface markers

According to the provisions of the National Institute of Standards wire surface should have the manufacturer's name, product model and rated voltage continuous flag. This facilitates timely problem occurs in the wire and use the process to find a manufacturer, important to note that when consumers buy wire.

Consumers should buy wire Note indicated on the certificate of the manufacturer's name, product type, rated voltage wire surface printed signs to prevent counterfeit products.

2, wire appearance

Consumers buy wire should pay attention to the appearance of the wire should be smooth, insulation and sheathing layer without damage, clear printing signs, non greasy hands touching the wires. See from a cross-sectional view of the electric wire, on the entire circumference of the wire and the thickness of the insulation or sheath should be uniform, and should not be partial core, insulation or jacket should have a certain thickness.

3, the conductor diameter

Consumers should pay attention to buy wire conductor diameter is consistent with the express cross-section on the certificate, if the conductor cross-section is small, easy to wire and fever cause a short circuit. Recommended for home lighting line wire of 1.5 mm2 and above specifications; using the power of the air conditioners, microwave ovens and other household appliances should be used to wire of 2.5 mm2 and above specifications.

Wiring should be standardized, the best fixed-line BV single wire wear tube, pay attention and do not damage the wires in the wiring, the decor of the room and do not damage the wire; intervening joints in a route; wires in the electrical box (box) Do not touch the line.