NM MM-2 Natural Gas Fitting Certification Exam

NM MM-2 Natural Gas Fitting Safety codes govern every connection point in natural gas systems, and the NM MM-2 focuses heavily on National Fuel Gas Code compliance, pressure testing procedures, and leak detection methods. You’ll navigate sizing calculations for different piping materials, understand regulator function across residential and commercial applications, and master the corrective steps when installations fail inspection. Practical knowledge of vent termination rules and common violation patterns rounds out the core content.