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Old 06-12-2021, 04:00 AM   #2
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Default Re: WARNING: Live heatsinks & single pole on/off switches in switching power supplies

It is also extremely important to point out that the only safe way to measure on the primary side with an oscilloscope is using a differential probe or with a Scopemeter that is not referenced to mains ground.
Or use an isolation transformer? An excellent post regarding the dangers, nevertheless
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