gui chao cable news: how to choose and buy civil wire and cable
from：guichao author：admin click： 524 addtime：2017-04-14 12:10:43
with the development and popularization of household appliances,
rapid increase in household electricity,
in order to ensure the safe use of electricity,
consumers in the purchase,
the following points should be noted when using electric wires:
a: wire surface mark
according to the national standard,
the surface of the wire shall have the name of the manufacturer,
continuous marking of product type and rated voltage.
this is conducive to the use of wire in the process of problems can be found in a timely manner,
consumers must pay attention to this point in the purchase of wire.
at the same time, consumers should pay attention to the purchase of the certificate on the certificate of the manufacturer name,
whether the product model, rated voltage and the printed mark on the surface of the wire are consistent,
prevent counterfeit products.
two: wire appearance
consumers should pay attention to the purchase of electric wire appearance should be smooth,
the insulation and sheath layer is not damaged, the marking is clear,
non greasy shoumo wire. from the cross section of the wire,
the thickness of the insulation or sheath on the entire circumference of the wire shall be uniform,
should not be biased, insulation or sheath should have a certain thickness.
three, conductor diameter
consumers should pay attention to the purchase of wire conductor line and the certificate on the cross section,
if the conductor section is small, easy to cause the wire heating caused by short circuit.
recommended for home lighting lines with 1.5 mm2 and above specifications;
air conditioning, microwave ovens and other household appliances with greater power should be used 2.5 square millimeters and more than the specifications of the wire.
four, standardize the use of the wiring should be standardized,
the fixed line is best to use bv single core wire through the pipe,
be careful not to touch the wires when wiring, do not touch the wires when decorating the room;
do not tie in the middle of a route; do not touch the wire when it is connected to the electrical box (box);
in addition, electricity consumption of household appliances such as air conditioning should be a single line power supply;
weak, strong electric wire is best to maintain a certain distance.
changes in product structure, such as: fire-resistant cable;
improve the process requirements such as: medical cables;
composite products such as: opgw, etc.;
easy to install and reduce equipment costs such as: prefabricated branch cable.