On Sat, 15 Jun 2019 14:31:12 -0400, wrote:
SNIPP

You can use the euro style terminal blocks. Just be sure to get the
U/L, ETL or TUV listed ones (CE doesn't count).
https://tinyurl.com/y34b4lm8
They can be a long strip of these.

BUTT - can I use them with Aluminum wire?

Molex has ones listed for both copper and aluminum at:
https://www.molex.com/molex/products...Int roduction

For the grounds you can use a regular bus bar like you see in panels.
That can make a very neat installation. I did it when I replaced my
service panel to extend the wires that were too short. It avoided
that jumble of wire nuts you are talking about.
May have to get a few of those stripos to extend the neutrals fo
install arcfault breakers - - -