A junction box includes a housing with sidewalls and a bottom attached to the sidewalls. The bottom has an interior side and an exterior side. The exterior side is configured to mount to a roof. The junction box includes a weep hole defined in the housing, a flashing attached to the housing and extending horizontally from the housing, where the flashing is formed with the housing, and a portion defined in the interior side of the bottom defined by a groove. The portion defines a position for creating a hole in the bottom. The junction box includes a plurality of fastener openings in the bottom configured for a fastener positionable within the fastener opening. Securing a fastener through a fastener opening contributes to securing the housing to the roof. Each of the plurality of fastener openings includes a boss extending away from a bottom interior surface of the bottom.