MCC-NH Gas Fitters Practice Exam

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Prepare for the MCC-NH Gas Fitters Exam with comprehensive resources, including flashcards and multiple-choice questions tailored to enhance understanding. Equip yourself for success!

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What type of fitting assembly is used for aboveground outdoor plastic piping?

Wall head adapter
Service head adapter
Drop header fitting
End connection fitting

The correct answer is: Service head adapter

The service head adapter is specifically designed for aboveground outdoor plastic piping systems. It allows for a secure transition between the plastic piping and the gas meter or appliance. This fitting is crucial as it provides a means to connect flexible plastic piping to rigid piping systems while accommodating the unique properties of the materials involved. When using plastic piping outdoors, it is essential to ensure that the connections are both secure and compliant with local codes, as outdoor conditions can introduce factors like temperature changes and physical exposure that impact the integrity of the system. The service head adapter is particularly suited for such applications, as it is engineered to withstand these environmental challenges while maintaining a tight seal against leaks.