Nsi – GP-500, 500 MCM, 2-Conductor, Aluminum, Parallel Tap Connector, 1pc. We have new products in manufacturer boxes, as well as loose and shelf-worn quality products to save you even more money. KILLARK 2FSD-2, Cast Device Box, 4-11/16″ x 2″ x 4-5/8″, 2 Gang, 1pc.