After a recent renovation and new lights, I found these connectors (and their two-wire counterpart) to be indispensable for working with aluminum wiring in my home. I use an Oslatools torque wrench for proper tightening (required for these connectors). They are a bit more expensive but worth it. Many of the joints I made with it were later sealed with sheathing/siding and will never be exposed again in my life. In these conditions you really have to rely on good connectors.
CEDFONJER Conductor Terminal Block: 24 Pack of Multi-Function SPL-1 Quick Terminal Block Splicing Type Compact Wire Connectors for Universal Soft and Hard Wire Assortment Conductors
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