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Should we crimp solid wires?

feyvahfatale

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May 7, 2025
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3
Just curious, anyone ever use those barrel crimp connectors on solid wire? I always thought you weren't supposed to crimp solid wire, but can't find any info on it.
 
I have not used them but I could see where the solid wire would not mesh when crimped, so that may keep it from being a good connection.
 
I've used them before, it works fine if done right. Just be careful not to over-crimp, as solid wire can crack easier, it's more about making sure the connection's tight and secure
 
Only some, few crimp connectors are manufacturer approved & agency listed for solid conductors.
Most crimp type connectors and terminations are rated for 19 strand only.

Check the package or TDS to be certain yours are rated for solid wire. Also use only those listed by an approved testing agency, such as UL, ETL and others. There are a lot of crimp connectors which aren't that for sale online at eBay, Temu, Bonanza, Walmart, Amazon, etc..

If you'd like the benefit of a crimped connector without searching for terminals and splices rated for solid conductors, Push-In connectors are an option. Waygo Wall Nuts are one brand. They also offer lever type.

Hope This Helps!
Paul
 

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