Reverse Current Protection When Connecting to Car Batteries
1D10T proofing a spring clip/clamp connection to a battery can be challenging. This is one way to ensure stuff is not connected plus to minus and minus to plus.
https://www.youtube.com/watch?v=CXb3ct7zJSo
This is "method 1" for low current applications. There's another way for higher currents I need to make a video on.
WARNING: Electricity always comes with the risk of shock, fire, electrocution, etc. If you do not know what you are doing, learn first or don't do it.