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How to distinguish the type of electric power cable?

Location: Home >> News >> technical knowledge

How to distinguish the type of electric power cable?

Release date:2018-01-16 Author: Hits:

How to distinguish the type of electric power cable?

Low voltage power cable, common basic model:

VV---- PVC insulated PVC sheath (copper core) power cable;

YJV--- crosslinked polyethylene insulated PVC sheath (copper core) power cable.

If the conductor is (aluminum core), L in the middle is added, that is, VLV and YJLV, respectively.

Flame retardant cable, then in front of the ZR, that is, ZR-VV, ZR-YJV;

Fire-resistant cable, in front of the N (or NH), that is, NH-VV, NH-YJV;

No halogen and low smoke, the model is WD-YJY, crosslinked polyethylene insulated polyolefin sheath;

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The above functions are integrated.

WDZAN-YJY- (no halogen and low smoke) crosslinked polyethylene insulated polyolefin sheath, a class fire retardant and fire-resistant electric power cable.

Also:

Pre - branched cable, plus F (or YF);

Irradiated crosslinked cable, plus FZ;

Rubber sleeve cable, YQ, YZ, YC (YQW, YZW, YCW), respectively corresponding to light, medium, heavy.

There are many kinds, such as fireproof cable (mineral insulated cable), etc., which are not used in general situations.

Specifications:

The diameter of the line is 1.5, 2.5, 4, 6, 10, 16, 25, 35, 50, 70, 95, 120, 150, 185, and so on.

There are many combinations of cables with single core and multi core. Commonly used are 3, 4 and 5 cores, including 4, 5 cores, equal diameter and unequal diameter, that is to say, 4 cores and 5 cores correspond to 3+1 and 4+1 or 3+2, N lines and PE lines of unequal diameter cables are according to national standards, such as 4*185+1*95 or 3*185+2*95.


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