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|    sci.electronics.basics    |    Elementary questions about electronics    |    72,318 messages    |
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|    Message 71,410 of 72,318    |
|    jurb6006@gmail.com to All    |
|    Re: GFCI/lightening    |
|    24 Aug 19 18:03:50    |
      The lightning strike wasn't a ground fault, why should it trip ?               Now AFTER, the current surge if there was anything plugged into it could cause       an insidious fault and you would never know. Any current drain with that type       of voltage spike can weld the contacts of a breaker together rendering it a       piece of wire.               And, when this struck, the path to ground caused an EMP in the house. Check       EVERYTHING. Wash a load of clothes for example. Check ALL the functions on       anything that appears to work. Any solenoids (like water valves in the washer)       or relays, (stereo,        microwave) anything with a coil. With an EMP each conductor becomes a       generator and a coil is a bunch of wires all in series and can rally do some       voltage. They get a weird type of leakage, there is only one way to test it,       put the coil voltage to it and        see if it actuates. No ohmmeter or anything can tell you. I think it is a       gradual leakage between many windings. Whatever it does not pull.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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