Mercury - Junction Box 6-Way Rigging Junction Hub 8M0210401. Overview. This six-way junction box gives you a clean place to bring multiple rigging lines together without making a mess behind the console. It keeps wiring organized and easy to reach when you're adding sensors, changing displays, or cleaning up old rigging. The layout is simple, open, and predictable, which makes small updates a lot easier on busy days at the dock.. Key Features. • Six-Port Layout - offers clear, separated connecti