John I respect most all of your posts on electrical subjects.
Buuuttt isn"t grounding a steel box that has a properly grounded receptacle in it about like putting a tube inside a tube in a tire. If one gets a hole in it the other is most likely going to get a hole as well.
Seems like a waste of time and wire to me.
I put a new service in about 2 years ago for my drying bins. When the inspector came to look I had used a plastic nut on the steel pipe nipple between the meter socket and the main disconnect.
I did not want the wires to get skinned on the nipple and did not have enough threads to locknut it and plastic cap.
He said I should have used steel nut to bond the boxes together. He was going to make me pull those 4o wires back out and put on steel.
I said wait a minute, my frame the boxes are all mounted on is steel and bolted together. And besides I could have use a plastic nipple and it would have passed as well.
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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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