BLUE SEA BusBar 4 x 1/4in-20 Common Bus w/cvr The BLUE SEA BusBar 4 x 1/4in-20 Common Bus w/cvr is a busbar measuring 9 x 3 x 2 inches, designed for efficient electrical distribution in marine environments. It is installed in electrical systems to consolidate multiple connections, enhancing organization and safety. Compatibility & Applications Fits standard 1/4 in-20 terminal connections for straightforward integration. Mounts in electrical panels or battery compartments on vessels up to 40 ft. Replaces existing busbars with similar terminal sizes without modifications. Wires to 12V DC systems commonly found in marine applications. Used in sailboats, powerboats, and yachts for organized wiring and distribution. Pairs with Blue Sea Systems circuit breakers for enhanced protection. The unit provides a reliable solution for managing multiple connections in marine electrical systems, particularly in sailboats and powerboats. Its corrosion-resistant design and included cover offer superior protection against environmental factors, differentiating it from generic busbars.











