INTRODUCTION CODES ABBREVIATIONS Code …
A = amp(s) (ex: a15A breaker)ABS = acrylonitrile-butadiene-styrene plastic pipeACH = air changes per hourAHJ = authority having jurisdictionAMI = in accordance with manufac-turer s instructionsASCE = American Society of Civil EngineersASTM = American Society for Testing & MaterialsAWG = American Wire GaugeB (vent) = gas appliance vent, usually double-wallBO = building officialBtu = British thermal unitBWL = braced wall lineBWP = braced wall panelCATV = cable televisioncfm = cubic feet per minuteCPVC = chlorinated polyvinyl chloride plastic pipeCSST = corrugated stainless-steel tubingcu. = cubic (ex: 24 cu. ft.)Cu = copperDFU = drainage fixture unit(s)DW = dishwasherDWV = drain, waste & = for example (exempli gratia)EGC = equipment grounding conductorEMT = electrical metallic tubingex: = exampleFAU = forced-air unit (central furnace)FLR = flood level rimFMC = flexible metal conduit ft.
model codes prior to adoption. Since the code used in a particular area could vary, we include references to the two most commonly used codes for every item in the book.
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