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Everything posted by Grusa
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Buckle up: Cambodian students build manned drone to aid community
Grusa replied to geovalin's topic in Cambodia News
I consider myself one of the worlds' less heavy pilots, at 70kg, so won't think about one of these! -
Post of the week!
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Your choices miss the obvious! Had first AZ, next AZ due 27 Oct. FOC!
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Electric Vehicle Charging Network in Thailand
Grusa replied to Lammbock's topic in Thailand Motor Discussion
"Any business owner with at least 2 functioning brain cells"......Aye, there's the rub, for in the truth of TIT, theres damn few and they're a' deid. (To paraphrase a couple of quite well known poets). -
“Big Bike” rider dies after crashing into a pickup truck in the Pattaya area
Grusa replied to webfact's topic in Pattaya News
Is that his blood on the road, and his headprint on the tailgate? -
Ok for him to talk. He's got a submarine on order.
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Sink earthed, yes. Water is from Mubaan borehole and high level storage tank. Its about 250 metres away. Because of Covid we have no very near neighbours.
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Capacitive load.
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I had similar thoughts, but can't get my head round it. And I have only one spike, and I would agree a few volts possible, even likely, but 200? Free power folks, just connect across two spikes and you can run your EV free, forever!
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Yes, one meter probe in my fingers, other on the sink, dry rubber shoes on a dry tiled floor. Meter has 9k ohm/v impedance, 50uA fsd so perfectly safe. Water conducting electricity...yes I agree, but from where when power is off? Not any of the water heaters. Static? Unlikely to maintain a steady voltage, grounding it should leak the charge away. I think @Crossy has it, a PEA fault which they have found and corrected. I cannot conceive how I would explain the problem to them or seek to know the answer, my Thai is not up to it and no Thai I know would begin to understand!
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Hello @Crossy here are the photos. Numbered items: original box, 1&2 feed to secondary box, 3 grounding from secondary box, 4 N-E link. It looks messy but it's safe. Grounding rod is 6' buried immediately under a roof drain pipe. Checked again today, 0v at sinks etc. One fridge shows 15 v, it has a 2-pin plug and no earth, coffee machine 5v again not earthed.
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Ok, update. My property is a 30-ish year old townhouse, with mostly original wiring, modified some 10 years ago, and added to by myself. The mains feed is underground from the mubaans' transformer and through their meter. I have no access to check all that out. There is no original earthing, as expected. I have installed a new box with ELB for the back yard, with live and neutral feed from the original main switch downstream side, and a new ground from a spike and linked back to the original box, where it is bonded to neutral. As it is some two years since I did it, I could not remember making that link. Interestingly when the incident occurred the ELB did not trip. To me this suggests a fault in the main house. Thanks for all interest, and constructive comments. I will open up and photograph asap.
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Thank you, I have the diagrams and the theoretical knowledge. What I don't have, and don't want, is the experience of the big bang if it all goes wrong. So, were you lucky and all went well? Does anyone out there bear the scars, mental or physical, of it going wrong? Just asking!
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I am waiting for someone to advise me how to ensure it is safely done, without causing a blackout to the entire nation, or killing myself!