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diy solar

Big Lugs, Little Wires

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bigroadadventure

New Member
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Sep 22, 2019
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Anyone have a source for lugs that have large diameters but are for smaller wires? I would like to use lugs for my BMS but I can't seem to find any for the 14mm bolts on my 300AH Sinopoly cells. The best I could find was 1/2 inch lugs with 8AWG wire.

thanks!
 
Search for "5/8 ring terminal" for more choices.

12-10 Ga. Ring Terminals, 5/8" Stud

Non-insulated 12-10 gauge ring terminals, 5/8" stud. Requires only one crimp onto the wire.
crimpsupply.com crimpsupply.com

Morris Products 10076 Ring Terminal, Vinyl Insulated, Yellow, 12-10 Wire Size, 5/8" Stud Size (Pack of 100): Amazon.com: Industrial & Scientific

Morris Products 10076 Ring Terminal, Vinyl Insulated, Yellow, 12-10 Wire Size, 5/8" Stud Size (Pack of 100): Amazon.com: Industrial & Scientific
www.amazon.com
 
I bought these a while back for similar situations. I'm a crimp and solder type of guy so I don't get the insulated style.

Amazon.com: KeeYees 240 Pcs Open Barrel Wire Crimp Copper Terminal Connerctor Kit - Non-Insulated Ring Lugs Crimp Cable Connector: Car Electronics

Buy KeeYees 240 Pcs Open Barrel Wire Crimp Copper Terminal Connerctor Kit - Non-Insulated Ring Lugs Crimp Cable Connector: Power-Cable Terminals - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
www.amazon.com

Edit: sorry that is the wrong link and too small for you. I can't find the correct one but they look similar to them.
 
I tried the crimp supply ones but they sent me 3/8" instead of 5/8". Hopefully they actually have the 5/8. These are hard to come by! Thanks everyone.
 
bigroadadventure said:
Anyone have a source for lugs that have large diameters but are for smaller wires? I would like to use lugs for my BMS but I can't seem to find any for the 14mm bolts on my 300AH Sinopoly cells. The best I could find was 1/2 inch lugs with 8AWG wire.
Click to expand...

In a case like this I remove twice as much insulation as necessary and then double the wire back on itself to fill the lug better.

Then crimp or solder as usual. YMMV.
 
onemorebattery said:
Search for "5/8 ring terminal" for more choices.

12-10 Ga. Ring Terminals, 5/8" Stud

Non-insulated 12-10 gauge ring terminals, 5/8" stud. Requires only one crimp onto the wire.
crimpsupply.com crimpsupply.com

Morris Products 10076 Ring Terminal, Vinyl Insulated, Yellow, 12-10 Wire Size, 5/8" Stud Size (Pack of 100): Amazon.com: Industrial & Scientific

Morris Products 10076 Ring Terminal, Vinyl Insulated, Yellow, 12-10 Wire Size, 5/8" Stud Size (Pack of 100): Amazon.com: Industrial & Scientific
www.amazon.com
Click to expand...
14mm is 9/16"... Just saying.....
 
Thanks guys! Just to close this thread, Crimp Supply finally came through with the right item and I'm good to go.
 
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