Posted by John T on December 14, 2022 at 06:40:34 from (107.77.215.169):
In Reply to: Re: Electrical posted by BarnyardEngineering on December 14, 2022 at 05:18:47:
You ask What I don't understand is how they could have come loose. This house is stationary right? Once the screw is smoked down it should stay smoked down, and the wire is solid copper so once it's bent into place it should stay there.
In my many years in power distribution I saw it happen more than once !!!!!!!! Temperature changes, vibration (albeit it small), perhaps NOT properly torqued in the first place, expansion and contraction can all contribute to screws coming loose grrrrrrrrrrrrrrr As part of some routine annual maintenance in some instances I instructed my electricians to check all panel connections and exercise each circuit breaker. If two 120 VAC loads are in series across L1 and L2 240 Volts but theres no attached Neutral the voltage across each appliance will be proportional to its resistance which can result in severe imbalance, excess high voltage and damage !!!!!!!!
Best wishes hope this helps Merry CHRISTmas
John T Long retired and rusty EE but believe this still true
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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