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  • Product performance of RVV cable

    Product performance of RVV cable

    Product name: RVV cable, RVV wire and cableRated voltage: 300V/500V.Conductor: Stranded copper conductor, in line with GB/T 3956 category 5 (equivalent to IEC60228.5).Insulation: Polyvinyl chloride compound (PVC).Sheath: Flexible polyvinyl chloride compound (PVC), grey (RAL7001).Core identification:... READ MORE

    11-03-2022 Industry News
  • RVV cable meaning, sheath function, inspection requirements

    RVV cable meaning, sheath function, inspection requirements

    The meaning of the lettersThe letter R stands for cordThe letter V stands for insulator polyvinyl chloride (PVC)The rvv wire is the most commonly used cable in the weak current system. The number of core wires is indeterminate, two or more, and there is a PVC sheath on the outside. There is no speci... READ MORE

    04-03-2022 Industry News
  • RVV cable specification number of cores

    RVV cable specification number of cores

    2×0.50, 3×0.50, 4×0.50, 5×0.50, 6×0.50, 7×0.50, 8×0.50, 10×0.50, 12×0.50, 18×0.50, 25×0.50, 36×0.50.2×0.75, 3×0.75, 4×0.75, 5×0.75, 6×0.75, 7×0.75, 8×0.75, 10×0.75, 12×0.75, 18×0.75, 25×0.75, 36×0.75.2×1.0, 3×1.0, 4×1.0, 5×1.0, 6×1.0, 7×1.0, 8×1.0, 10×1.0, 12×1.0, 18×1.0, 25×1.0, 36×1.0.2×1.5, 3×1.5... READ MORE

    24-02-2022 Industry News
  • RVV cable

    RVV cable

    The full name of RVV wire is copper core PVC insulated PVC sheathed flexible wire, also known as light PVC sheathed flexible wire, commonly known as soft sheathed wire, which is a kind of sheathed wire. Mainly used in electrical appliances, instrumentation and electronic equipment and automation dev... READ MORE

    19-02-2022 Industry News
  • Conceptual differences and laying requirements of fire-resistant cables, flame-retardant cables, fire-resistant cables, and mineral-insulated non-combustible cables

    Conceptual differences and laying requirements of fire-resistant cables, flame-retardant cables, fire-resistant cables, and mineral-insulated non-combustible cables

    At present, there is no corresponding national standard definition for fireproof cables in the country. The cable industry is used to refer to cables with certain fireproof performance such as flame-retardant cables, fire-resistant cables, and mineral-insulated non-combustible cables as fire-resista... READ MORE

    09-02-2022 Industry News
  • Microphone Cable Process Features

    Microphone Cable Process Features

    XLPEDue to the above-mentioned twisted pair characteristics, when the microphone cable is welded with the corresponding Canon connector, the twisted pair will cross at 2.3 feet, which is easy to cause the plastic to melt during welding and cause a short circuit. Therefore, some manufacturers have in... READ MORE

    27-01-2022 Industry News
  • Cable resistance calculation

    Cable resistance calculation

    The DC standard resistance of the cable can be calculated according to the following formula:R20=ρ20(1+K1)(1+K2)/∏/4×dn×10In the formula: R20——the branch current standard resistance of the cable at 20℃ (Ω/km)ρ20——The resistivity of the wire (at 20℃) (Ω*mm/km)d——diameter of each core wire (mm)n——the ... READ MORE

    20-01-2022 Industry News
  • What are the types of cables?

    What are the types of cables?

    Composition and OrderThe model composition and sequence of wires and cables are as follows:1: Category, use][2: Conductor][3: Insulation][4: inner sheath][5: Structural features][6: outer sheath or derivative][7: Using Features]Items 1-5 and 7 are represented by pinyin letters, polymer materials are... READ MORE

    13-01-2022 Industry News
  • Performance index of twisted pair(2)

    Performance index of twisted pair(2)

    3. DC resistanceThe DC loop resistance consumes part of the signal and converts it into heat. It refers to the sum of the resistance of a pair of wires. The DC resistance of the 11801 twisted pair must not be greater than 19.2 ohms. The difference between each pair should not be too large (less than... READ MORE

    07-01-2022 Industry News
  • Performance index of twisted pair (1)

    Performance index of twisted pair (1)

    For twisted-pair cables, users are most concerned about several indicators that characterize its performance. These indicators include attenuation, near-end crosstalk, impedance characteristics, distributed capacitance, DC resistance, etc.1. AttenuationAttenuation is a measure of signal loss along t... READ MORE

    29-12-2021 Industry News