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Engineering
Electrical Engineering
Investigating a faulty earthing in our house
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[QUOTE="Wrichik Basu, post: 6822545, member: 623143"] This is something we are still pondering on. We have not been at home for around six months last year, and before that, I don't remember facing the issue. We have been at home since February this year, but detected the issue only a few weeks back when we started using our [URL='https://www.amazon.in/dp/B00KA7VUD4/']immersion water heater[/URL]. It was giving a shock even when it was turned off. Initially, I had thought only that outlet was faulty, but when I measured other outlets, they too turned out to have a faulty earthing. Some outlets had nearly > 60 VAC difference b/w earth and neutral. House #2 (the one sharing the same phase with us) had a lot of repairing work going on for the last two years. They also got their electricity meter upgraded by the company to 63 A so that they could drive another air conditioner. (Our line, too, is 63 A, which we upgraded back in 2020, just before the COVID.) Their electrician may have messed something up, and our earthing got snapped. Will check. Possible, but, as I said in #11, I disconnected all the appliances in our house with three pins, but the bulb didn't go out. I am afraid so. The first thing to do is to "restore" the earthing in our house so that the PD b/w earth and neutral lowers to acceptable levels. But how he will locate that exact junction box where the problem has occurred, is something out of my imagination. How do I find that (without blowing any fuse)? [/QUOTE]
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Investigating a faulty earthing in our house
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