ype rule of PVC sheathed cable, meaning of letters in cable: L-aluminium core, Y-polyethylene, V-polyvinyl chloride, number-left 2 represents steel belt, right 2 represents PVC sheath, left 3 represents fine steel core, right 3 represents polyethylene. An example of the rule representation method for the type of PVC sheathed cable: VV VLV PVC insulated PVC sheathed power cable VY VLY PVC insulated polyethylene sheathed power cable VV22 VLV22 PVC insulated steel tape armoured PVC sheathed power cable VV23 VLV23 PVC insulated steel tape armoured PVC sheathed power cable VV32 VLV32 PVC insulated fine steel wire armored PVC sheathed power cable VV33 VLV33 PVC insulated fine steel wire armored polyethylene sheathed power cable聚氯乙烯护套电缆型号规则，电缆中的字母表达的意义：L—铝芯，Y—聚乙烯，V—聚氯乙烯，数字—左面的2代表钢带，右边2代表聚氯乙烯护套，左边3代表细钢芯，右边3代表聚乙烯
聚氯乙烯护套电缆型号规则表示方法示例：
VV VLV 聚氯乙烯绝缘聚氯乙烯护套电力电缆
VY VLY 聚氯乙烯绝缘聚乙烯护套电力电缆
VV22 VLV22 聚氯乙烯绝缘钢带铠装聚氯乙烯护套电力电缆
VV23 VLV23 聚氯乙烯绝缘钢带铠装聚氯乙烯护套电力电缆
VV32 VLV32 聚氯乙烯绝缘细钢丝铠装聚氯乙烯护套电力电缆
VV33 VLV33 聚氯乙烯绝缘细钢丝铠装聚乙烯护套电力电缆
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