The Lew Electric FDN-250-A is an aluminum floor nozzle, it is double sided and each side requires 1 plate (sold separately). Each side can hold up to 1 duplex receptacle. The box includes a 3/4" threaded pipe nipple, reducing washer, and lock nut, as well as a neoprene gasket. The box is 4.75" wide, 3" tall, and 4.25" deep. The nozzle is UL listed for the USA, and cUL listed for Canada. The nozzle can also be used in countertops.