Interior Design Professional Practice Exam

Category - Interior Design Practice Exam

Building codes will state certain doors have a fire rating. What is the agency that provides that rating?
  1. National Fire Protection Agency (NFPA)
  2. UL
  3. American Institute of Architects (AIA)
  4. National Association of Home Builders (NAHB)
Explanation
Answer: B - UL UL10B
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