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English Translations » 历史存档[信息] » Identify the faulty cable

Identify the faulty cable

2016-04-12View Original

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There are currently 2 cables of 3*120 square millimeters, and it is suspected that one of them may be damaged. The cables are buried underground and cannot be removed; their total length is around 300 meters. Is there any good way to identify the faulty cable?
Reply #22016-04-12
1. Measure the resistance to ground； 2. Connect a leakage protector to measure the induced current.
Reply #32016-04-12
It’s probably impossible to measure; divide it into sections and replace the poor ones
Reply #42016-04-12
The electrical inspection department has equipment that can determine the location of damaged areas causing leakage
Reply #52016-04-14
There are specialized devices that can determine which cable is damaged and where the fault lies.

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Translated at 2026-07-21 00:27:10

Original: https://bbs.hcbbs.com/thread-1578999-1-1.html

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