If you are measuring copper, the fraction is the inside diameter. 1/2 copper has an outside diameter of 5/8 but it is standard across the board. PVC on the other hand is not. There are different colors of pipes and fittings and you don't want to mix them. I forget the colors now but you can almost fit the one inside the other and they both are listed as the same size. ----- Original Message ----- From: Anthony Padua To: [email protected] Sent: Tuesday, January 15, 2008 4:36 PM Subject: [BlindHandyMan] Re:I hate plumbing!
I do too. The hardest part for me is determining the size pipe I need. After doing a project, I can tell just by looking at a pipe, whether it's a 1/2" 3/4" 1", etc in diameter. But if I don't do another project for a few weeks/months, I have to develop that skill all over again. Has anyone ever figured out how they determine a pipe diameter by simply measuring it? Measuring its inside diameter or its outside diameter have nothing whatsoever to do with that it is classified as. I sometimes think that the scale that they used was based upon wooden or lead pipe, 150 years ago. Yes, they did have wood pipes at one time. I really feel for plumbers, carpenters or mechanics because invarably you run into problems that you never expected. [Non-text portions of this message have been removed] [Non-text portions of this message have been removed]
