Only True DIYers Can Ace This Pipe Fittings QuizShare:FacebookPinterestTwitterMailIn plumbing, what does the abbreviation NPT refer to?60%Next Correct Incorrect NPT stands for National Pipe Taper, a U.S. standard for tapered pipe threads used for leak-resistant connections. In plumbing, what does the abbreviation NPT refer to? National Pipe Taper Normal Pressure Thread National Plumbing Term Narrow Pipe Type 60%
