Shaanxi power cable power cable cable factory wdzyjv

How to choose halogen wire and cable products, 1. Package. Drum packaging to reduce production, the insulating layer caused during transport and handling of wear, and facilitate electrician to install. A complete certificate in the package should include complete information on specifications, implementation of standards, rated voltage, length, date, name and address and other on the certificate. 2. Look insulating rubber. Shoddy wire insulation looks like a very thick, in fact, is mostly made of recycled plastic, if a little squeeze, squeeze into a white state at will, and powder fall. 3. The weight of the wire. Within good quality wire, generally in the designated weight range. Such as the commonly used cross-sectional area of ??1.5mm2 plastic insulated single-strand copper wire, each 100m weighs 1.8 ~ 1.9kg. 4. See the color of copper. Qualified copper wire copper conductor should be purple, shiny, soft touch. And shoddy purple copper wire copper core black, yellow or white. 5. necessarily depend on its length and core thickness has nothing to do hands and feet. As delineated in the relevant scale error wire length should not exceed 2% of the cross-sectional diameter of no more than 0.02%, but the market there are a lot Duanjinshaoliang in length, fraud in cross-section (as indicated cross-section of 2.5 mm2 The line, but in reality only 2 mm2 thick) phenomenon. Halogen wire and cable products must buy over the edge, so consumers must look for, GB product, do not covet a moment of cheap, small street vendors to buy low-priced cable products. wdzbyj LSZH cable is a special cable with a strong security wire and cable, the cable widely used in hospitals, office buildings, dining and entertainment venues, as they have a common ground anti feature is densely populated, and relatively large flow of people in case of fire accidents, injury to persons is relatively large, and thus to the use of a special cable, which is also to reduce the event of fire, to minimize casualties. The traditional PVC products when burned produce containing hydrogen halide, carbon monoxide, carbon dioxide and other toxic gases smoke, which not only affects the smooth progress of relief work, but also for life and property caused by a "second disaster"; C: Japan SONY company under SS -00,259 provisions in 2005.5.1 began requesting wire provided by the supplier must meet the requirements of a comprehensive LSZH (FEP et except hot line), Philips from 2006.1 from full replacement.