Wago 221 Series Lever-Nuts Wire Connector, Compact Splicing Connector Kits for Electrical Wires, Home Improvement Clips (Box of 10) (221-412): Amazon.com: Tools & Home Improvement
WAGO 887-952 Connector clip set flexible: 0.14-4 mm² fixed: 0.2-4 mm² 1 Set | Conrad.com
Wago 890-503 | Strain relief housing, 3-pole, with locking clip, for 1 cable, 4.5 - 1