YJV [1]? YJY YJLV YJLY copper or aluminum conductor XLPE insulated PVC sheathed power cables Copper or XLPE insulated PE sheathed power cable laying indoors, in tunnel, cable trench and pipes can also be buried in loose soil, laying cable can withstand traction, but can not bear external mechanical forces occasions YJV22 YJV23 YJLV22 YJLV23 copper or aluminum conductor XLPE insulated steel tape armored PVC protection sheathed power cables Copper or XLPE insulated steel tape armored PE sheathed power cables for indoor, tunnels, buried and underground cable trench laying cable can withstand external mechanical forces, but can not afford a big pull YJV32 YJV33 YJLV32 YJLV33 copper or aluminum conductor XLPE insulated, steel wire armored PVC sheathed power cables Copper or XLPE insulated, steel wire armored PVC sheathed power cable for high drop area can withstand external mechanical forces and considerable tension YJV42 YJV43 YJLV42 YJLV43 copper or aluminum conductor XLPE insulated thick steel wire armored PVC sheathed power cables Copper or XLPE insulated thick steel wire armored PE sheathed power cable for high drop area, can bear external mechanical forces and considerable tension