The electrical short revealed in the video is one that some HVAC techs have trouble locating. It requires one tool, eyes. In worst case scenarios, we can use a megohmmeter to find these shorts, here is an older video using a Supco M500 https://youtu.be/9kD4zmYCtl0. Because they are at the top of the contactor or line side sometimes it’s difficult to find, that’s why the title, states “hidden electrical short”. Every HVAC/R tech should be aware of this issue.
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