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The screw-down types tend to only hold by half of the strands (the other half stays to the side of the screw, and tends to cause problems.)
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That's not possible with the ones shown in my post. The screw doesn't make direct contact with the wire strands but is forcing a plate down against the back part of the connector. Wire strands cannot get around or to the side of the plate.
These connectors are bulky, but in my experience it takes a lot less expertise to screw down the connection properly than it does to crimp and/or solder correctly. We've had crimps fail due to not being done properly and we've had way too many cold solder joints on large cables. In addition, soldering results in a stiff to flexible boundary condition in the cable. Flexing at this joint can result in the strands breaking.