Should PVC schedule 40 pipe and fittings continue to be permitted for combustion exhaust venting? You and I have come across PVC that has gone from white to many colored shades: from light yellow to ...
All questions and answers are based on the 2017 NEC. Q. What uses are permitted for PVC conduit by the NEC? A. Some common uses for Type PVC (polyvinyl chloride) conduit are as follows: Concealed — ...
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