
Originally Posted by
jonnyGURU
They're not supposed to be. Heatsinks are grounded. If they're energized, there's something wrong with the PSU.

Originally Posted by
jonnyGURU
You should not feel energy on any heatsink unless something is shorted to the heatsink.
This is completely wrong and actually dangerous information on a forum like this.
Primary side heatsinks are almost always live!
More info on this if you want to learn:
https://www.badcaps.net/forum/showth...622#post831622
"The one who says it cannot be done should never interrupt the one who is doing it."