Wire and cable are a common electrical material in our daily life, used to transmit electrical energy or signals. The models of wires and cables often contain letters that represent different meanings. This article will briefly introduce the meaning of wire and cable models.
In many wire and cable models, the first letter represents its specific use or coating material. Here are some common first letter meanings:
B: Indicates cables suitable for power systems, such as BV BVR wiring cables;
H: indicates fire-resistant power cable, which has certain flame-retardant properties and is suitable for high-temperature environments;
K: indicates control cable, used for control transmission and signal transmission, such as KVV, KVVP
N: Indicates PVC insulated cable, which has good weather resistance and chemical resistance;
Y: indicates the enable cable, used to transmit data or signals;
Z: Indicates a covered cable, usually covered by metal or synthetic materials.
The second letter represents the insulation or conductor material of the wire and cable. Here are some common second letter meanings:
C: indicates copper conductor, which has good electrical conductivity;
D: indicates aluminum conductor, usually used for power transmission;
S: indicates hard wire materials, such as steel wire;
R: represents copper-clad aluminum composite conductor, which combines the advantages of copper and aluminum;
N: represents copper-clad copper composite conductor;
F: Indicates fiber bare wire, suitable for optical fiber transmission.
The third letter represents the outer sheath material or voltage rating of the wire and cable. Here are some common third letter meanings:
V: indicates polyvinyl chloride sheath, commonly used in low-voltage power cables, such as VV power cable;
R: indicates rubber sheath, which has good flexibility and wear resistance;
Y: indicates polyethylene sheath, which has good weather resistance and chemical resistance;
Z: indicates steel tape armoring, which improves the cable’s compression resistance;
L: indicates aluminum tape armoring, which reduces the weight of the cable;
N: means it does not contain halogen and has good flame retardant properties.
In addition to the above three letters, the model number of wires and cables may also contain other letters, which represent some special functions or design requirements of wires and cables. Here are some other common letter meanings:
B: indicates twisted pair, used to reduce electromagnetic interference;
F: Indicates fire protection and has good flame retardant properties;
T: stands for high temperature resistance and is suitable for high temperature environments;
L: Indicates low smoke and halogen-free, which reduces the generation of fire and harmful gases;
O: stands for optical cable, used for optical signal transmission;
G: Indicates vibration or mobile use, suitable for dynamic environments.
All in all, the letters in the wire and cable model have various meanings, representing the use, materials and design requirements of the wire and cable. I believe that by understanding the meaning of the letters of these products, everyone can better choose and use appropriate wires and cables to ensure the safety and stability of power transmission and signal transmission.
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