Bare copper is bad due to oxidation. The best long term solution is a crimped on banana or spade.
Spades and screw materials should be SOFT! Cheap spades using pot metal or hard brass core are the worst. You want the spade to give and be pliable enough to give you the best contact area.
A symptom of having too hard materials is you can't finger tighten them well without a risk of them coming undone.
I think WBT has spades with spring loaded construction exactly to solve this issue.
Best,
E
Spades and screw materials should be SOFT! Cheap spades using pot metal or hard brass core are the worst. You want the spade to give and be pliable enough to give you the best contact area.
A symptom of having too hard materials is you can't finger tighten them well without a risk of them coming undone.
I think WBT has spades with spring loaded construction exactly to solve this issue.
Best,
E