Connects raceway, without offsetting, to any surface-mounted 3 1/4 or 4 (83mm or 102mm) outlet box with 1/2 trade size conduit KOs. Base has two 1/2 trade size KOs, one on end and one on bottom. Included spring steel bushing eliminates need for conduit nipple and HICknut for end connection to box. When used with 700 Series Raceway, break off cover extension. White