Power cable specification model description - Tianjin No. 1 Factory

Power cable specification model case description - Tianjin one branch power cable specification model:
The first category: PVC insulated PVC sheathed power cable:
VV VLV copper (aluminum) core PVC insulated and sheathed power cable - suitable for laying indoors, cable channels, pipes, and not subject to mechanical external forces;
VV22 VLV22 copper (aluminum) core PVC insulated inner steel strip armored PVC sheathed power cable - suitable for direct buried underground, cable can withstand mechanical external force, but can not be subjected to large pulling force;
ZR-VV ZR-VLV copper (aluminum) core PVC insulated flame-retardant PVC sheathed power cable - used in transmission and distribution circuits requiring flame retardant
ZR-VV22 ZR-VLVV copper (aluminum) core PVC insulated inner steel belt armored flame-retardant PVC sheathed power cable - used in transmission and distribution circuits requiring flame-retardant places.
Flame-retardant power cable:
ZR-VV flame retardant PVC insulated, PVC sheathed power cable;
ZR-VVR flame retardant PVC insulated, PVC sheathed soft power cable;
ZR-YV flame retardant polyethylene insulated, PVC sheathed power cable;
ZR-UVR flame retardant polyethylene insulation, PVC sheathed soft power cable;
ZR-VV22 flame-retardant PVC insulated, steel tape armored PVC sheathed power cable;
ZR-YV22 flame retardant polyethylene insulated, steel tape armored PVC sheathed power cable.
Various specifications and models of power cable representation, case study -
In the power cable type indication method, it is often replaced by some letters and numbers, which is difficult for people who have just entered the industry to understand! Then this article solves your problem! Describe in detail the meaning of the letters and numbers in the power cable:
Insulation type: V stands for polyvinyl chloride; X stands for rubber; Y stands for polyethylene; YJ stands for cross-linked polyethylene; Z stands for paper.
Conductor material: L represents aluminum; T (omitted) represents copper.
Inner sheath: V stands for PVC sheath; Y polyethylene sheath; L aluminum sheath; Q lead sheath; H rubber sheath; F neoprene sheath.
Control layer: 0 no; 2 double steel strip; 3 thin steel wire; 4 thick steel wire.
Outer layer: 0 no; 1 fiber outer; 2 polyvinyl chloride sheath; 3 polyethylene sheath.
The flame retardant cable is added with ZR before the code name; the fire resistant cable is added with NH before the code.
Knowing the meaning of the various letters, we have a good understanding of the model descriptions of various power cables:
35kV and below power cable models and product representation methods - expressed in Chinese Pinyin and numbers:
The uppercase of the first letter of Pinyin indicates the type of insulation, conductor material, inner sheath material and structural features.
The outer sheath is represented by numbers and has two digits. No number represents no armor layer, no outer layer. The first digit indicates the armor, and the second digit indicates the outer quilt, as indicated by the thick steel wire armor.
The cable type is generally arranged according to the arrangement of the cable structure: insulating material; conductor material; inner sheath; outer sheath.
For example: (model + rated voltage + specification)
Such as VV42-10 3×50 means copper core, PVC insulation, thick steel wire armor, PVC sheath, rated voltage 10kV.http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

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