You can't normally feel 12 V , not even 20 V,I would suspect. If you have something like a coil, and you have your hand on the low voltage terminal while making and breaking the circuit, you could feel a shock.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!