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I got a new cheap 9-v powered insulation meter (250-1000V), just to see how it works, and if it fits my needs. I never used one before. I did a couple of test, and I wanted to share them, and also ask if you think the results are to be expected.
The meter works fine when measuring...
Can anyone explain why some motors regularly burn out, I am thinking specifically about electric hand drills and to a lesser extent angle grinders.
I know how they burn out- normally the insulating varnish on one of the coils breaks down and creates a short- I think that is right. If...