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    BV series

    BV Wire

    BV line is called plastic copper wire and PVC insulated copper core wire.
    B stands for category, cloth wire, V represents insulation: PVC. It is suitable for cables and wires used for AC power 450/750V and below power plants, household appliances, instruments and telecommunication equipment.
    Chinese name BV line
    Plastic copper wire for short
    type
    BV lines are also divided into ZR-BV and NH-BV.
    ZR-BV: copper core PVC insulation flame-retardant wire: insulating material plus flame retardant, leaving the open fire does not self ignite.
    ZR-BV: flame retardant BV line is divided into four grades: A, B, C and D. Among them, class A is the best, and so on, the most commonly used is ZR-BV.
    NH-BV: copper core PVC insulated FireWire: it can also be used normally under normal fire.
    Characteristic
    It has the characteristics of acid and alkali resistance, oil resistance, moisture resistance and mildew resistance.
    Model name
    1. classification and use are used to distribute the current. They belong to the wire category and are represented by the letter "B".
    The 2. conductor material is copper, which is indicated by the letter "T", and the copper conductor in the wire is omitted.
    3. insulation material is polyvinyl chloride, which is represented by the letter "V".
    4. cloth wire structure is simple, in addition to the above three points, some have a sheath, PVC is also used as PVC "V"; the sheath material for rubber "X". No sheath and no back.
    For example, BVV means copper core PVC insulated PVC sheathed circular wire.
    Common model
    The BV line usually uses the cross-sectional area of the insulating metal conductor to distinguish the specifications. (for example, the diameter of the copper core cross section of 4 square BV line is 2.25 mm, according to the circular area formula S= PI *r*r=3.976 square millimeter).
    Bv line models: 0.75 square, 1 square, 1.5 square, 2.5 square, 4 square, 6 square, 10 square, 16 square, 25 square, 35 square, 50 square, 70 square, 95 square, 120 square, square, square, etc.
    classification
    The BV soft line is indicated by BVR. The BV rubber line is indicated by BX, BV oal is represented by BLX, BV plastic aluminum is represented by BLV, the fire resistant BV line is expressed by NH-BV, and the flame retardant BV line is expressed in terms of NH-BV.
    purpose
    Ordinary insulated wires and household wires are the most common types of wires.
    Take 100 square meters of new house as an example, 4 square copper core BV wire 200 meters, 2.5 400 meters, 1.5 300 meters, 1.5 square copper core BV double colored wire 100 meters. The above said is no ceiling decoration, if you want the ceiling, the 1.5 line will be a little more.
    The BV line diameter has several 0.2, 0.3, 0.4, 0.5300400 parties.
    Common color
    Commonly used BV line colors are: red, yellow, blue, green, black, white, double color (yellow, green), brown.
    Standard of execution
    Standard for implementation of BV plastic copper wire
    GB/T5023-2008 this standard is equivalent to IEC 60227-1997, JB/T 8734-2012 is equivalent to IEC 227-1979.

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