1 1 1/2 Threaded Nipple
Making watertight connections with This Old House plumbing and heating expert Richard Trethewey. (See below for a shopping The Bridgeport 1/2″ Steel Conduit Nipple serves as a short raceway between two enclosures or boxes. NPSM threads provide concrete, water tight seal. Suitable 1/2" x 3/8" Hexagon Nipple I learned this from a Plumber years ago. It works. You can count on it. Amazon affiliate links to products in this video Rectorseal 5 6 in. Long 1/2 in. Galvanized Rigid Conduit Pipe Nipple ...