Meaning and Usage of Common Power Cable Models - Henan Shenghua Cable Group Co., Ltd

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The meanings and usage scenarios of commonly used power cable models

Author：Shenghua Cable Click： Time：2020-01-03 00:00:00

Shenghua Cable: Introduce several commonly used cable models and their different application scenarios.

shenghua cable shenghua xlpe cable factory direct supply cable

When we choose wires and cables, such as Shenghua Cable, we often see different model codes such as BV, BLV, BVVB, BVR, RV, RVS, etc. So what do they specifically mean?

Let's briefly introduce their specific meanings below

The first group is composed of one or two letters, representing the category of wires. For example, A represents installation wire, R represents flexible wire, ZR - flame-retardant, NH - fire-resistant, and many others

The second group consists of a letter representing the material of the conductor, commonly T represents copper core, L represents filter element

The third group is composed of one letter, representing insulation materials, such as X representing rubber and Y representing polyethylene

The fourth group consists of a letter representing the inner sheath, for example, Q represents lead wrapped and L represents aluminum wrapped

The fifth group is composed of a letter, representing the external characteristics of the cable, such as R for softness and c for heavy-duty

The sixth group consists of a number representing the structure of the armor layer, displayed in the form of small corner markers. Mark 2 represents the double steel strip, and mark 4 represents the coarse round steel wire

The seventh group is composed of a number representing the outer sheath, displayed in the form of a small corner marker. The marker 0 indicates no sheath, and the marker 1 indicates the fiber layer

shenghua cable structure shenghua cable copper core xlpe insulated rubber jacket

Here are some common types of cable models

VV: According to the matching rules above, we can know that this refers to PVC insulated and PVC sheathed power cables, which are very common. Generally, cables laid in tunnels, cable trenches, pipelines, flammable and severely corrosive places are mostly of this type.

ZR-VV: flame-retardant PVC insulated and PVC sheathed power cables have flame-retardant characteristics compared to ordinary VV cables. These flame-retardant cables will automatically extinguish within 15 seconds when the fire source is removed, and flame-retardant cables play a very important role in safety.

NH-VV: Fire resistant PVC insulated and PVC sheathed power cables. Unlike flame retardant cables, fire-resistant cables can maintain normal operation in high temperature environments. Generally, ordinary fire-resistant cables on the market can maintain normal operation for 90 minutes in a burning environment. Based on this characteristic, fire-resistant cables can replace flame retardant cables in many aspects.

There are various types of cables, such as Shenghua Cable, which produces many different types of cables, such as power cables (YJV, YJV22, YJLV), wire laying (BV, BVR, RVV, RVS), aluminum alloy cables (YJLHV), overhead cables, flame-retardant and fire-resistant cables, rubber sheathed cables, control cables (KVV), special cables, and so on. This letter and number naming is easy to remember and mark, and very convenient.

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The meanings and usage scenarios of commonly used power cable models

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