NSI Industries Polaris Black IT-4 Insulated Multi-Tap Connector- 2-Port Single-Sided Entry for
NSI Polaris Insul-Tap Connector, for Two Wires and in-Line Splicer/Reducer, ISR Series, 250-6 AWG Wire Range, 4.00" x 1.19" x 1.90", Pack of 4: Screw Terminals: Amazon.com: Industrial & Scientific