Sun YOBA 1 Pair MC4 Connector MC4 Y Branch Connectors MMF and FFM Wire Branch Splitter Coupler Rated Current: 30A Flame Class: UL94-VO, UL94-VA Contact Resistance : &lt; 0.5 milli ohms Maximum Voltage: 1000 VDC (600 VDC UL) Wire size range : 10, 12, 14 AWG (6 mm2, 4 mm2, 2.5 mm2)