Enter the No Twist Zone and simplify your next wiring project with the original pushwire connector from WAGO. Simply strip conductor to 12 mm/0.47in. using the built-in strip-length gauge Then insert stripped conductor firmly into connector. Check for complete insertion through clear/transparenthousing. 12-18 AWG solid copper wire. Current rating 20A max. 600V building wire/1000V fixtures and signs. 105 deg. C rated (221 deg. F). For fast, easy install. UL listed. 4 Conductor.