Any Suggestions Extending 4 Guage Wire?

copper tubing cut then filled with solder then push each end of cable into hot solder

Oh and of course heat shrink it a couple layers thick

We actually sell butt splices and crimpers for all the way up to 0awg at our shop. If you want any info give me an e-mail at jturndown@aol.com and I'll be happy to hook you up Aaron. They are not insulated so you will need to heat shrink them but I use em all the time and they work great! I can ship them UPS to you no problem.

Might also look into some adhesive lined heat shrink tubing. It is just heat shrink with a layer of hot glue( like glue guns use ). I have bought this at Harbor Freight, but it is available in a lot of supply stores.

stinger sells a good connector...   but of course you need a good cover for it...   heat shrink or something....   http://www.stingerelectronics.com/productDetails.aspx?delineate=473&CategoryID=-1&ParentID=-1