California IDEX Practice Exam

Which of the following is NOT true about fire-rated doors?

1. They must pass the NFPA E119 test.

2. They may be either wood or hollow metal.

3. They must be labeled.

4. They must be tested as part of an entire assembly.

The correct answer is: They must pass the NFPA E119 test.

A fire-rated door must comply with specific testing standards to ensure it serves its purpose in fire protection, but it does not specifically have to pass the NFPA E119 test alone. While the NFPA E119 test evaluates the fire resistance of building elements, fire-rated doors typically undergo various tests that assess their performance under fire conditions, including those outlined by different standards like UL 10C or the positive pressure test. Regarding the other aspects, fire-rated doors can indeed be constructed from materials like wood or hollow metal, which provides design flexibility. Additionally, fire-rated doors are required to have proper labeling to indicate their fire resistance rating, ensuring that they meet the necessary regulations. Furthermore, it is crucial that these doors are tested as part of an entire assembly, as their effectiveness is not solely based on the door itself but also on how they function within the larger context of the wall or opening they are part of.