Wary of cheap, twist-on wire nuts? Then try these from Wago.
10pcs SPL-1/2/4/8 Lever Nut Connector Assortment Conductor Compact Wire One -To-One Quick Terminal Block Splicing Type 2/3 To 2/3 - AliExpress
Wago 221 Series LEVER-NUTS make for fast splicing connections
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Connect any combination of solid, stranded, and flexible copper wires faster and more reliably Terminates 24-12 AWG Minimize space consumption in the
WAGO 221 Lever-Nuts 28pc Wire Connector Assortment Pocket Pack
Waterproof Sealing Gelbox for Wago 221 Connectors for Sale
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Wago 221 Lever-Nut Multi-Wire Splicing Connector for Sale
10 Pcs Conductor Compact Connectors Lever Wire Nut Electrical Connectors with Fixed Base for 2 Circuit Inline Splices 28-12 AWG: : Industrial & Scientific
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ZK50 Lever Wire Connectors Assortment Kit 2/3/4/5 Port Compact Wire Nut Quick Disconnect Splicing Electrical Conductor Connector - AliExpress