Solar Y Branch Connectors 1000V DC 1 to 3 Solar Panel Parallel Connectors,IP67 Waterpoof, FMMM+MFFF(2 Pairs). Compatible with PV cables 2.5/4/6 mm2(14,12,10AWG). Y Branch Parallel ConnectorFMMM+MFFF can be used for parallel connection between 2 solar panels, 1 male 2 female (M/FFF) and 1 female 2 male (F/MMM) solar connectors.