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Power cable production in China is very considerable, power cables to produce more cumbersome, production time is too long prone to failure, it is necessary to repair insulation, the issue of the State also has relevant provisions. General Repair method is the use of welding torch heating repair, this approach is simple and convenient and practical, the effect is also possible.
But the repair of the place to use too long, will produce insulation shrinkage, underground cable will not be moisture-proof waterproof effect, overhead power cable shrinking site will be more and more extended. There are other ways is the middle of the cable, this way a large role in the protection of cable insulation, the structure of its products are: Cover the entire cable damage, through heat treatment or cryogenic can quickly wrap the cable, so that with the original cable consistent ideal effect. But the material to repair the power cable is more expensive than the usual repair, but the effect is very good.
Especially in the cable laying, the cable damage to take the remedy. Electric Power Cable Repair method is about these two, of course, there are temporary on-site insulation tape can also be maintained, but only for an emergency way. In the original production process, the state-related standards without the written consent of the user can not repair the insulating layer. Power cable outer insulation repair pros and cons, of course, is certainly the original production does not repair the good.