phetphet Posted May 1, 2023 Share Posted May 1, 2023 Finally getting some rain this morning here in Samui, along with thunder and lightning. Never noticed this before, but each time lightning strikes, all my lights briefly flash. Even though not switched on. Does anyone know if this is a normal phenomenon? Or does it indicate a fault somewhere? Link to comment Share on other sites More sharing options...
steven100 Posted May 1, 2023 Share Posted May 1, 2023 I'm not an electrician ... but I would say it's a wiring fault somewhere, maybe the CB box isn't grounded properly Link to comment Share on other sites More sharing options...
zzaa09 Posted May 1, 2023 Share Posted May 1, 2023 3 minutes ago, steven100 said: I'm not an electrician ... but I would say it's a wiring fault somewhere, maybe the CB box isn't grounded properly Grounding isn't a common fixture or practice here - properly or not. Link to comment Share on other sites More sharing options...
Popular Post Crossy Posted May 1, 2023 Popular Post Share Posted May 1, 2023 Low-energy lighting doing anything untoward whilst turned off is invariably due to the switch being in the neutral line rather than the live. It's not an immediate hazard but needs looking at, it's easy enough to check if you have basic electrical tools (a neon screwdriver and a multimeter). 1 1 2 Link to comment Share on other sites More sharing options...
Popular Post brianthainess Posted May 1, 2023 Popular Post Share Posted May 1, 2023 EMP electrical Magnetic Pulse from lightning can do this, it even started a ceiling fan that hadn't worked for a year, my RCD switch used to flick off, but now doesn't as i turned up the amperage on my switch board. Worth a google search. 3 Link to comment Share on other sites More sharing options...
phetphet Posted May 1, 2023 Author Share Posted May 1, 2023 21 minutes ago, Crossy said: Low-energy lighting doing anything untoward whilst turned off is invariably due to the switch being in the neutral line rather than the live. It's not an immediate hazard but needs looking at, it's easy enough to check if you have basic electrical tools (a neon screwdriver and a multimeter). Yes, the lighting is stepped down through individual transformers. I think you are correct because I have some LED tube lights in bathroom cabinets that flash. Though can only see it when dark. Link to comment Share on other sites More sharing options...
Popular Post worgeordie Posted May 1, 2023 Popular Post Share Posted May 1, 2023 Your lucky , lights only flashing , when thunder and lighting , every time it happens up here the electric goes off , been going on for years now. regards worgeordie 1 2 2 Link to comment Share on other sites More sharing options...
kidneyw Posted May 1, 2023 Share Posted May 1, 2023 ET come home. 1 Link to comment Share on other sites More sharing options...
phetphet Posted May 1, 2023 Author Share Posted May 1, 2023 3 hours ago, brianthainess said: EMP electrical Magnetic Pulse from lightning can do this, it even started a ceiling fan that hadn't worked for a year, my RCD switch used to flick off, but now doesn't as i turned up the amperage on my switch board. Worth a google search. Someone told me earlier that this morning during the storm, a lamp lit up that wasn't even plugged in. 1 Link to comment Share on other sites More sharing options...
brianthainess Posted May 1, 2023 Share Posted May 1, 2023 10 hours ago, worgeordie said: Your lucky , lights only flashing , when thunder and lighting , every time it happens up here the electric goes off , been going on for years now. regards worgeordie Is it the towns or dose your RCD flip off.? Link to comment Share on other sites More sharing options...
worgeordie Posted May 2, 2023 Share Posted May 2, 2023 12 hours ago, brianthainess said: Is it the towns or dose your RCD flip off.? Just outside of the City, the whole of the Moo Bahn down , and further up the road, last night very heavy downpour and did not go off , just lucky as sure they have not fixed anything.,been like this for years. regards Worgeordie Link to comment Share on other sites More sharing options...
BritManToo Posted May 2, 2023 Share Posted May 2, 2023 On 5/1/2023 at 7:47 AM, phetphet said: Never noticed this before, but each time lightning strikes, all my lights briefly flash. Even though not switched on. All your lights ............ Live and Neutral coming from your meter has the wires reversed. It also means the live is connected to your ground rod and will be wasting electricity 24/7 heating up the earth. Link to comment Share on other sites More sharing options...
brianthainess Posted May 2, 2023 Share Posted May 2, 2023 36 minutes ago, worgeordie said: Just outside of the City, the whole of the Moo Bahn down , and further up the road, last night very heavy downpour and did not go off , just lucky as sure they have not fixed anything.,been like this for years. regards Worgeordie Then I think, it is what is what my friend called a brown out. Link to comment Share on other sites More sharing options...
sammieuk1 Posted May 2, 2023 Share Posted May 2, 2023 Just look out for the bill from PEA for unauthorized usage ???? Link to comment Share on other sites More sharing options...
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