Induced voltage and floating earths
14:30
how to make 220volt free electricity energy from big copper wire and spark plug
27:53
$50 vs $50,000 Computer
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Building C&A's three-phase test rig
5:15
Testing Electric Heating Elements
1:03:00
Upper class insulation resistance fault-finding
23:34
93 Year Old Battery Charger, Will It Work? Let's See!
4:34
C.A 6117 Insulation Resistance with Dave Savery
21:03