power cableThe types of cables used for electrical equipment mainly consist of the following seven parts:

Some special wire and cable models also have derived codes at the end.

Below, we will introduce the meanings of letters in commonly used wire and cable models:

1) Category and purpose code

A - Installation line, B - Insulated line, C - Marine cable

K-control cable, N-agricultural cable, R-flexible wire

U-mining cable, Y-mobile cable, JK insulated overhead cable

M - Used in coal mines

ZR flame retardant, NH fire-resistant, ZA-A flame retardant

ZB-B flame retardant, ZC-C flame retardant, WD low smoke halogen-free type

2) Conductor code

T-copper wire (omitted) L-aluminum core

3) Insulation layer code

V-PVC plastic, YJ-XLPE insulation

X - rubber, Y - polyethylene material

F-Polytetrafluoroethylene

4) Code for protective layer

V-PVC sleeve, Y-polyethylene material

N-nylon sheath, P-copper wire braided shield, P2 copper tape shield

L-cotton yarn weaving coated with wax, Q-lead package

5) Feature code

B-Flat, R-Soft, C-Heavy, Q-Light, G-High Voltage, H-For Welding Machines, S-Twisted Pair

6) Armor layer code

2- Double steel strip

3- Fine round steel wire

4- Coarse round steel wire

7) Code for outer protective layer

1- Fiber layer

2- PVC sleeve

3- PE sleeve

2. Examples of models of wires, cables, and power cables commonly used in electrical equipment

VV - Copper core PVC insulated PVC sheathed power cable

VLV - Aluminum core PVC insulated PVC sheathed power cable

YJV22- Copper core cross-linked polyethylene insulated steel tape armored polyvinyl chloride sheathed power cable

KVV - PVC insulated PVC sheathed control cable

227IEC 01 (BV) - abbreviated as BV, single core hard conductor unshielded cable for general use

227IEC 02 (RV) - abbreviated as RV, single core flexible conductor unshielded cable for general use

227IEC 10 (BVV) - abbreviated as BVV, lightweight polyvinyl chloride sheathed cable

227IEC 52 (RVV) - abbreviated as RVV, lightweight PVC sheathed flexible wire

227IEC 53 (RVV) - abbreviated as RVV, ordinary PVC sheathed flexible wire

BV - Copper core PVC insulated wire

BVR - Copper core PVC insulated flexible cable

BVVB - Copper core PVC insulated PVC sheathed flat cable

JKLYJ - Cross linked polyethylene insulated overhead cable

YC, YCW - Heavy duty rubber sheathed flexible cable

YZ, YZW - Medium sized rubber sheathed flexible cable

YQ, YQW - Lightweight rubber sheathed flexible cable

YH - Welding machine cable