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

Gas piping passes through a concrete foundation wall. What installation detail is required?

Embed bare steel in the concrete with no sleeve and no coating Leave a 6-inch open hole around the pipe for combustion air Use PE pushed tightly through the wet concrete Protect the pipe at the penetration with a sleeve, wrapping, or other approved method so the concrete does not damage or corrode the pipe

Correct Answer:

Protect the pipe at the penetration with a sleeve, wrapping, or other approved method so the concrete does not damage or corrode the pipe

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