NM CID MM-2 Practice Questions - New Mexico CID MM-2 Natural Gas Fitting Examination Exam

Natural-gas piping will be concealed in a hollow partition. Which fitting arrangement is acceptable?

A right-and-left coupling or union hidden in the stud bay CSST with unlisted hose clamps in the wall A plugged tee left for a future appliance inside the wall Running pipe with listed fittings permitted for concealed locations; do not conceal unions, tubing fittings that require access, or bushings used as concealed joints

Correct Answer:

Running pipe with listed fittings permitted for concealed locations; do not conceal unions, tubing fittings that require access, or bushings used as concealed joints

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