It is not optional to use bussbars on both positive and negative. This means you have to do it because the risk of well intention bad connections grows unacceptably large.
Blue Seas and Marinco have good buss bars. Use Genuinedealz for making up custom cables. Personally I do like like the stud connectors on RV batteries. I use the post for duty that pulls greater than 100 amps.
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Wear your reading glasses knothead Mex. (Corrected spelling of http://www.genuinedealz.com)
