[RE-wrenches] Large ferrules

[James Jarvis]

Pin adapters. Crimp on your fine strand and gives you a nice solid. Here is
an example:
https://www.ilsco.com/Ilsco/ccrz__ProductDetails?sku=F2C-1%2F0-1%2F0-ILSM-ILS&cclcl=en_US

Otherwise you need to get proper ferrule crimpers to do the big size
ferrules. Something like this:
https://www.ferrulesdirect.com/collections/hand-crimping-tools/products/vag240
(interestingly, the above company does have cheap pin adapters as well.
Perfect for going with cheap inverters?)

FYI

-James Jefferson Jarvis
APRS World, LLC
+1-507-454-2727
http://www.aprsworld.com/


On Wed, Aug 27, 2025 at 9:41 AM William Miller via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Friends:
>
> More inverters these days present lugs for battery connections instead of
> studs. I bought some 2/0 and 4/0 ferrules to accommodate the fine stranded
> MTW we use. I have a cheap hex crimper but the results are poor with a
> sharp “wing” on either side of the crimp.
>
> What does the hive mind suggest for a ferrule and crimper for these larger
> wire sizes?
>
> Thanks in advance.
>
> William Miller
> Miller Solar.com
> 805-438-5600
> www.millersolar.com
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