Newmar PX-3 Junction Box [PX-3]PX 3 Junction Box This waterproof junction box is ideal for making wiring connections above or below decks, even in areas subject to occasional spray. Connector Strips Installed in Boxes Molded nylon encases pairs of connectors that use screw compression to secure wires without the use of lugs. Ideal for electronic installations. Brass barrels capture wires and are held in place with a stainless steel finger compressed by a screw. The screw does not