Nonmetallic fittings are made from which type of materials?

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Prepare for the NFPA 13R: Sprinkler Systems for Low-Rise Residences Test. Utilize flashcards, multiple choice questions, and detailed explanations to excel. Ace your exam with confidence!

Multiple Choice

Nonmetallic fittings are made from which type of materials?

Explanation:
Nonmetallic fittings are made from materials other than metal. In residential sprinkler systems, “nonmetallic” refers to plastics or other nonmetal substances used with nonmetallic piping (like PVC or CPVC). These fittings are designed to be compatible with the piping, and they must be listed for fire protection use with proper temperature and pressure ratings and appropriate installation methods (for example, solvent welding or adhesive bonding rather than threading). So the correct idea is that nonmetallic fittings are constructed from materials other than metal. The other options describe materials that aren’t used for nonmetallic fittings in this context.

Nonmetallic fittings are made from materials other than metal. In residential sprinkler systems, “nonmetallic” refers to plastics or other nonmetal substances used with nonmetallic piping (like PVC or CPVC). These fittings are designed to be compatible with the piping, and they must be listed for fire protection use with proper temperature and pressure ratings and appropriate installation methods (for example, solvent welding or adhesive bonding rather than threading). So the correct idea is that nonmetallic fittings are constructed from materials other than metal. The other options describe materials that aren’t used for nonmetallic fittings in this context.

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