Here is Johns link
https://www.amazon.com/Connector-Ass...9497680&sr=8-1
Its a spring loaded connection fitting. Not sure if it would be any better in the long run that the knife splice molex, I still like Rob's Cate&Rob twist lock extension cord end fittings.
I think he used something like this
https://www.amazon.com/Superior-Elec...498046&sr=8-27
or
https://www.amazon.com/dp/B074KH4T7T...dDbGljaz10cnVl
on edit - found a 30 amp version
https://www.amazon.com/Journeyman-Pr..._t5_B075DF5DRT
I wish I knew what brands were good. Lots of choices out there
Bottom line folks years ago I learned not to use the knife splice connections. Yes they were easy to tap into lines, but they cut strands along with the insulation and over time the vibration wear would cut the taped line. The also create current hot spots as the are not in full contact with all the strands - do a search on them - lots of information out there.
2nd edit
I also found this interesting read. It appear butt connectors can be used to connect solid to stranded wire.
http://www.electricalbasics.com/blog...al-Connections
https://www.amazon.com/Connector-Ass...9497680&sr=8-1
Its a spring loaded connection fitting. Not sure if it would be any better in the long run that the knife splice molex, I still like Rob's Cate&Rob twist lock extension cord end fittings.
I think he used something like this
https://www.amazon.com/Superior-Elec...498046&sr=8-27
or
https://www.amazon.com/dp/B074KH4T7T...dDbGljaz10cnVl
on edit - found a 30 amp version
https://www.amazon.com/Journeyman-Pr..._t5_B075DF5DRT
I wish I knew what brands were good. Lots of choices out there
Bottom line folks years ago I learned not to use the knife splice connections. Yes they were easy to tap into lines, but they cut strands along with the insulation and over time the vibration wear would cut the taped line. The also create current hot spots as the are not in full contact with all the strands - do a search on them - lots of information out there.
2nd edit
I also found this interesting read. It appear butt connectors can be used to connect solid to stranded wire.
http://www.electricalbasics.com/blog...al-Connections
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