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ZR-RVS copper core PVC insulated fire-resistant wire

BV is a single-core copper wire, which is harder and inconvenient for construction, but has high strength; BVR is a multi-core copper wire, which is softer and convenient for construction, but has low strength. BV single-core copper wire is generally a fixed place; BVR wire is a copper-core PVC insulated flexible wire, which is generally used for occasions with slight movement when it is applied to fixed wiring.

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Classification:

Wire and flexible wire

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  • Product Description

  • 1. wire selection

    1, the fire line is generally used●Red (alternative●Yellow), the zero line is generally used●Blue,●Green, the ground wire is yellow and green;

    2. Lighting generally uses 1.5 square single-core wires, which are divided into 2 groups according to different colors (live wire and zero wire);

    3.2.5 square single-core wires are generally used for sockets, and 4 square or more single-core wires are generally used for air conditioners with more than 3 horses;

    4. The incoming bus generally uses 6 square or more single-core wires.

    2. product characteristics

    Fire resistance refers to the operation that can be maintained for a certain period of time under the condition of flame combustion, that is, to maintain the integrity of the circuit. This type of wire has the power supply capacity for a certain period of time in the flame.

    Fire-resistant wires can continue to work (transmit current and signals) in the event of a fire, and whether they are delayed or not is not included in the assessment. Flame retardant wire in the event of a fire soon to stop working, its function is not flammable and not spread can be self-extinguishing. Fire-resistant wire 750~800 ℃ flame combustion to maintain 180 minutes of normal operation.

    Main purpose of 3.

    Ordinary insulated wire, household wire, is the most commonly used wire type. Take a new house of 100 square meters as an example, 4 square meters of copper-core BV wires are 200 meters, 2.5 400 meters, 1.5 300 meters and 1.5 square meters of copper-core BV bi-color wires are 100 meters. What I said above is that there is no ceiling decoration. If there is a ceiling, the 1.5 line is a little more.

    4. wire advantages

    ● Search and implement according to national standards GB/T5023-2008, B/T8734-2016 and compulsory certification (CCC) for electrical and electronic products.

    ● Conductor with high quality oxygen-free copper, good conductivity, small heat, to meet the long time load use.

    ● insulation made of high quality plastic, insulation performance of forced wear-resisting, not burning, long service life.

    BV is a single-core copper wire, which is harder and inconvenient for construction, but has high strength; BVR is a multi-core copper wire, which is softer and convenient for construction, but has low strength. BV single-core copper wire is generally a fixed place; BVR wire is a copper-core PVC insulated flexible wire, which is generally used for occasions with slight movement when it is applied to fixed wiring. In addition, the carrying capacity of BVR multi-strand line is larger than that of single-strand line, and the price is also higher. Usually BVR can be used inside the cabinet. Without such a large strength, convenient wiring.

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