90X Reusable Junction Block, Clamp Cable Connectors for Wago 221

✨--All types of standard test probes can be used to check the lever connector. ✨--No tools are needed to connect the wires; the connection is simply made by hand. ✨--A test port located on the back of the lever connector allows you to check for current in the wires. ✨--You don't have to worry about wire twisting during connection. These lever nuts are safer than other connection methods thanks to the use of polycarbonate insulating material. ✨--The high-quality transparent cover allows you to check the wire length and ensure they are fully inserted. This makes it easy to verify that the wires are correctly plugged into the socket.