I was able to answer my own question. I contacted Paul Cabot at the American Gas Association. The AGA is an affiliated group of gas companies who are active in development of the NFPA and other codes. Very much like a professional organization such as ASHRAE or ASME.<br>
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Mr. Cabot tells...
The 1997 Uniform Mechanical Code requires electrical isolation for fuel gas piping (paragraph 1312.7). What fittings are listed or approved for fuel gas service that are capable of electrically isolating natural gas piping? The piping I am concerned about is black iron, threaded, 3/4" to 2" in...
