Meaning of cable symbols

Meaning of cable symbol: R － flexible cable (wire) for connection, flexible structure；V － Insulated polyvinyl chloride；V － PVC insulation；V － PVC sheath；B-flat (flat)；S-twisted pair type；A - Tin or silver plated；F - High temperature resistance；P-braided shield；P2 － Copper tape shield；P22 - Steel tape armor；Y-Prefabricated type, generally omitted, or polyolefin sheath；FD - Product category code, referring to branch cables. The standards to be issued by the Ministry of Construction are denoted by FZ, but their substance is the same；YJ cross-linked polyethylene insulation；V-PVC insulation or sheath；ZR - Flame retardant type；NH - fire resistant type；WDZ - Halogen Free Low Smoke Flame Retardant；WDN - halogen free low smoke fire resistant type；RV copper core vinyl chloride insulated connecting cable (wire)；AVR tinned copper core polyethylene insulated flat connection flexible cable (wire)；RVB copper core PVC flat connecting wire；RVS copper core PVC stranded connection wire；RVV copper core PVC insulated PVC sheathed circular connection flexible cable；ARVV tinned copper core PVC insulated PVC sheathed flat connection flexible cable；RVVB copper core PVC insulated PVC sheathed flat connection flexible cable；RV-105 copper core heat resistant 105oC PVC insulated PVC insulated connection flexible cable；AF － 205AFS － 250AFP － 250 Silver Plated Polychloroethylene Fluorine Plastic Insulation High Temperature Resistance － 60oC~250oC Connecting Flexible Wire。

What does the power cable include？

Suitable for transmission and distribution lines with AC 50HZ and rated voltage of 0.6/1KV and below, for power transmission and distribution. The ambient temperature is 25 ℃, and the working temperature of the cable conductor does not exceed 70 ℃；VV (VLV) copper (aluminum) core PVC insulated PVC sheathed power cables are suitable for laying indoors, in tunnels, and in trenches. They cannot withstand external mechanical forces and can be directly buried；VY (VLY) copper (aluminum) polyvinyl chloride insulated polyethylene sheathed power cable, suitable for laying indoors, in pipelines, and in pipelines；VV22 (VLV22) copper (aluminum) core PVC insulated polysteel tape armored PVC sheathed power vv22 cable, the same as VV type, can be directly buried in soil and can withstand mechanical external forces, but cannot withstand large tensile forces.  VV23 (VLV23) copper (aluminum) core PVC insulated polysteel tape armored polyethylene sheathed power cable, the same as VV2 type.；ZRVV22 is the same as VV22, and is suitable for occasions with flame retardant requirements.  YJV Copper Core Crosslinked Polyethylene Insulated PVC Sheathed Power Cable；YJV22 Copper Core Crosslinked Polyethylene Insulated Steel Strip Armored PVC Sheathed Power Cable；NHVV is the same as VV type, suitable for occasions with fire resistance requirements；KVV PVC insulated control cable Purpose: electrical appliances, instruments, power distribution devices, signal transmission, control, measurement；NH - * * * Fire resistant power cable；ZR - * * * Flame retardant power cable；WDZ - * * * Low smoke halogen free power cable。