Jerry,

I know technically it is incorrect and I am not trying to justify it so I can overlook it when I am inspecting. My point is that I think there are many examples where we all use things that they were not desinged for. Manufactures of products can not test there products for every possible crazy way that we humans might try to use it. (how many times have you used your screw driver to pry something? - well it was designed to turn a screw.)
Now that I know to look for the wording on the fitting, I will continue to call it out because technically it is wrong.
In the words of Forest Gump "That's all I have to say about that."

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Greg Jenkins