1, BVR: copper core polyethylene insulation layer of soft wire; to transmit electrical (magnetic) energy, information content and the completion of the electrical energy transformation of cable goods. Is composed of insulation layer and electric conductor, is a copper core PVC insulation layer soft wire, its use in fixed immobile alignment when the provisions of the soft place.
2, RV: copper core PVC insulation layer coupling soft wire; in industrial production and distribution equipment industry has a common use, especially in the appropriate provisions of the more demanding soft installation sites, such as electrical cabinets, distribution cabinets and a variety of low-voltage electrical machinery and equipment, available to power engineering, electrical control systems data signals and power switch data signal transmission. The electrical conductors have a small bending radius and are suitable for wet, cold and oily installation sites.
Everyone in the purchase of wire and cable will notice BV, BVR and RV such cable wire, but many people are not clear about what each of these letters represent.
① English letter B series of products classified under the cloth cable line, working voltage: 450/750V. (For example: for the room cable line, it is nailed to the wall).
②The letter V means PVC polyvinyl chloride, that is, plastic cable sheath (PS: a V means a layer of insulation two V means two layers of insulation).
③The letter L means aluminium money, no L indicates a copper core wire.
④ English letter R means copper wire implication, to ensure soft, is to enhance the number of electrical conductors, reduce the diameter of each line.
Second, the detailed introduction of BVR wire and RV wire the same and the difference
1. The same thing.
① two kinds of cable wire are classified as soft wire, are composed of multi-core copper wire, are called polyvinyl chloride insulation layer soft wire;
② structure are very simple, are composed of electrical conductors plus PVC cable sheath;
③ colour, both are available in a variety of colours - red, yellow, black, blue, green, yellow-green two colours.
2. Differences.
① specification: BVR wire products to implement the standard GJB/T5023.3-20088734.2-2016, RV wire products to implement the standard GB/T3956 Class 5 5023.5-2008;
② working voltage: BVR wire belongs to the cloth cable wire category, the general rated current of 450/750V, while RV wire is mostly used for machinery and equipment internal as a link switch power line winding, the working voltage is higher, there are 450V/750V or higher 600/1000V electrical conductor: BVR electrical conductor is classified as a class 2 soft electrical conductor;, RV electrical conductor is classified as a class 5 electrical conductor;
③ main use: BVR wire more as cloth cable line, for fixed immovable alignment when the provisions of soft places, in many cases can replace the application of BV wire, ultimately BVR wire is softer; RV wire is more for a variety of household appliances or mechanical equipment internal connection line wrap, security products, instrumentation equipment will often use it, so RV wire is softer, also known as "electronic wire".
④ temperature: the basic BVR wire operating temperature can not exceed 70 degree , RV line can do 80 degree , naturally, if there are special requirements, you can buy heat-resistant type.
RV wire is softer than BVR wire, and secondly, the copper wire of BVR wire is thicker than the copper wire of RV wire, which is why RV wire is softer.