Back in the '70's copper was at one of it's usual premiums and tract home builders decided to use Aluminum, having to upsize one number for the same current carrying 2% drop at full load capacity. That wasn't the problem. The problem was at the duplex service outlets where the connection was under a screw., Over time the Alum. would change dimensions as a function of temperature and before you knew it you had a lose connection which led to numerous fires.
Several solutions were devised with a special coating for the wire (dark grey gooey mess) and finally the wires were cut off at the duplex box and Copper was Wire Nut attached with the Copper pigtail being placed under the screw....which worked.
On the cladding, having a background in high frequencies and all, to get the benefit of a clad surface, you need a frequency high enough that it rides the surface of the conductor.....60 Hz doesn't fit the bill. If it's for corrosion control, the problem wasn't corrosion, it was as explained.
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Today's Featured Article - My Ford Golden Jubilee - by Troy Estes. This article is about my '53 Ford Jubilee and a story that starts with taking the tractor to my brother's Starter/Alternator Rebuilding shop for a wiring fix. The generator was shot as well as all the wiring. I dropped off the tractor expecting a transformation from a 6 volt to a 12 volt system utilizing the original generator housing, and a total rewiring of the whole tractor. The front end center pin bushing was worn also so I ask that they replace it if they had time. Well, that�s wha
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