MC4 Branch 2 to 1 Plug, Pair Cat. No. SWI-018716	$25.00
MC4 2 Branch Connectors 1 Male to 2 Females and 2 Male to 1 Female For safe and simple parallel or series-parallel connection of PV-modules. These waterproof -connectors make it possible to parallel wire PV modules with  Multi-Contact output cables.  Maximum current allowed through connectors is 30 amps.