I'm embarassed to ask this, but I just wanted to be sure before I start. When using barrel connectors, do the two wires need to overlap before you crimp them together, or is the barrel connector a sufficient enough conductor where they don't have to overlap. I would overlap them just to be sure, but I think the diameter of the connectors I bought might not be big enough. Thanks for anyone's help.
18-22AGU should work fine, and no they don't have to overlap, the metal on the inside of the barrel (I refuse to say "inside the butt") will transfer the flow of electricity just fine.
a lot of people actually twist the wires before using a barrel connector, but i wouldnt only because sometimes you might break the wire when it twists and cause you headaches when you dont realize its broken, ususally (and i dont personally use these because working for a telecomunications company i have the best connectors 3M make) i just overlap them a few times.
Butt connectors are ok, bell caps are ok too, nothing beats solder and tape/ heat shrink though!
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