30PCS Lever Wire Connectors Kit 2/3/4/5 Port Electrical Quick Connect Push-in Compact Splicing Electrical Connectors for Wiring Practical and Reusablethelever wire connectors is a reusable and convenient wire connector. If you need to change other wires or do a temporary electrical testing, just flip the little lever up and pull out the wire what you need and replace, No twisting & no tape at all with these lever wire connectors. Safer and Reliablethewire electrical connectors are safer than traditional wire 1. The housing is made of polycarbonate and polycarbonate, which is flame retardant and high temperature resistant. Reduce potential safety hazards 2. The copper tin plated has strong corrosion resistance, maintaining good conductivity. 3. The built-in stainless steel clip spring is used to ensure the wire connection is secure and not easy to fall off. Test Hole - Convenient for testthere is a test hole at the end of the connector. The test hole can be used to check whether the wires have electricity or not without disconnection. All kinds of standard test probes can be used in the lever wire connectors. Easy to Use Don't need any tools to connect wires. 1.Strip conductor to 0.47 inch / 12 mm ensure it is straight. 2.Lift the lever to a full 90 for opening the clamping unit 3.Insert the stripped conductor 4.Lower the lever to close the clamping unit.If the connection is loose, then check the length of wire conductor, and check if it is warped. _x000D_ _x000D_