Wago, Quick Connect Push In Wire Connectors, Reduce Installation Time, Easy to use, secure, the only UL listed Stranded or Solid wire 12 to 18 AWG Wago Push In Wire Connector. 600 Volt, UL Listed, UL listed, and CE listed for European use. Clear enclosure to see connection is completed. WAGO WIRE CONNECTORS. No more guessing and tracing problems associated with wire connectors. Push in connectors have two to eight ports on one side and testing ports on other side.