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Meaning of Letter Symbols in Wire and Cable Product Identification

2025-08-15 09:09

I. Meaning of letter symbols on cable and wire product identification

1. General cable symbols

R - Flexible cable (wire) for connection, soft structure.

V - Insulated PVC (PVC insulation or PVC sheath)

B - Flat type

S - Twisted pair type.

A - Tinned or silver plated

F - High temperature resistant

P - Braided shield

P2 - Copper tape shield

P22 - Steel tape armor

Y— Prefabricated

ZR— Flame retardant type

NH— Fire resistant type

WDZ— Halogen-free low-smoke flame retardant type

WDN— Halogen-free low-smoke fire-resistant type

A:( Poly ) Amine ( Fat ), Safe ( Install ), Aluminum plastic sheath (Alpeth)

B: Flat , Half , Edit ( Weave ), Pump , Cloth ,( Poly ) Benzene ( Ethylene ),

ZR - Flame retardant, NH - Fire resistant, ZA(IA) - Intrinsically safe

K - Control cable

P - Signal cable

DJ - Computer cable

V - PVC

Y - Polyethylene

YJ - Cross-linked polyethylene

T - Copper core default representation, L - Aluminum core.

2 , wires and cables BV 、 BLV Symbol meaning

These are the models of wires, B The series is classified as wiring harness, so start with B , voltage: 300/500V Wires are divided into electromagnetic wires and general insulated wires according to their use. Insulated wires are also called wiring harness.

V is PVC PVC, which is (plastic)

L is the code for aluminum core

T is the code for copper core (usually omitted)

R is ( soft ) means to be soft, which is to increase the number of conductors

BV Copper core PVC insulated wire

BLV Aluminum core PVC insulated wire

BVR Copper core PVC insulated flexible wire

The above wire structure: conductor + insulation

II. YJV What is the cable ( YJV Cable meaning)

[Full name] Cross-linked polyethylene insulated PVC sheathed power cable

Y---- Polyethylene J---- Crosslinking V---- PVC sheath

[Number of cores] Single core, 2 core, 3 core, 4 core, 5 core, 3+1 、 3+2 、 4+1 Wait

[Use] Suitable for indoor, cable trenches, pipes, tunnels, etc., and can also be buried in loose soil. It cannot withstand external forces and is generally the main line for circuit transmission. The rated voltage is for power line transmission and distribution.

3. What is YC cable?

YC Rubber sheathed cable is called heavy-duty general rubber sheathed flexible cable, which is a type of rubber sheathed wire.

Y Represents rubber insulation, C Represents heavy-duty cable.

YC Cable model:

YC The inside of the cable is mainly multi-core cable, commonly used are 2 core, 3 core, 4 core, 5 core, the area of the copper core 0.75 Ranges from a few square meters to dozens of square meters.