WAGO
WAGO 221 Lever Terminal
Invented in
2014
Invented by
WAGO (spring clamp since 1951)
Availability
Very common (electrical)
The transparent block with orange levers that joins mains wires without screws: lift the lever, push the wire in, snap it down. It has largely replaced screw terminals in modern wiring.
Technical specifications
Introduced2014 (221 series)
SignalAC mains / DC
Rating32 A / 450 V
Wire range0.14 to 4 mm²
Found on
house wiring / a fixture
Recommended brands
01WAGO
02Ideal Industries
03Phoenix Contact
Where to buy
Europe-focused retailer searches. Some links are affiliate links and may earn a commission.
Fun fact
The clear housing is a safety feature: you can see the copper is fully inside before you close the lever.
Tips & tricks
Strip to the length moulded on the side (11 mm), insert to the stop, close the lever, and check the copper through the window.
Philosophy
Electrical wiring finally made simple and inspectable. Ask any electrician about their favourite connector and this is the answer.
Applications
Power
