Wago 773 Serices Wall-Nuts® Quick Connect Orange 4 Port, Push In Wire Connector, 12 to 18 gauge, solid and stranded, UL listed. 600 Volt, UL Listed Clear enclosure to see connection is completed. Wago wire connector. No more guessing and tracing problems associated with wire connectors. Two ports on one side and testing ports on other side. Item Number - PIWC4. Mfg#: 51038058 MINIMUM ORDER - 25.