The 13ft Y3 AC Bus Trunk Cable from APsystems links a branch's microinverters into a single output. When solar panels are placed in a row or in portrait orientation, use it with the QS1 microinverter.
The Y3 Bus Cable is a continuous length of 2.5mm2 12AWG cable that is insulated and UV resistant. The cable has a pre-assembled connector plug for one microinverter per 13ft (4 meters).