Newmar BX-3 Junction Box [BX-3]BX 3 Junction Box This BX Series splashproof box provides secure, protected wiring connections in wheelhouses or below decks and engine rooms. Features: IP rating 54 Splashproof Rugged cast aluminum box with white enamel finish Metal box reduces electrical interference Easy wiring access through multiple grommeted cable entries Supplied with high quality connector strips secure wires with compression fittings no terminals required see matrix below for