T & B AMTD35068, 8 Port, 2 Way Splice | Wire & Cable Your Way
Amazon.com: ZOOKOTO 2Pcs 0/1 Gauge Wire Audio Car Brass Terminal Butt Connectors Car Stereo Power or Ground Wire Splice Coupler : Electronics
14 TO 8 GAUGE UF WIRE, CU ONLY, UL LISTED, UNDERGROUND SPLICE KIT. 4 CONDUCTOR. INCLUDES 1 CONNECTOR AND 1 PIECE OF HEAT SHRINK TUBINGSouthern Tier Electric Supply