Latest / HVAC School - For Techs, By Techs
Tight Enough to Fail - Short #309
In this short podcast episode, Bryan discusses electrical connections and whether tighter is better (or if a connection is tight enough to fail).
Torque is a turning effect; force is applied at a distance from the screw's center, and that force creates pressure at the connection. A quarter-turn doesn't tell us how much force we have applied. You may notice a tight screw with other signs of a poor connection, like discoloration; tightening the connection may not help.
At a connection, we want very little resistance to current flow, and we get increased resistance and heat where we don't want…
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.