High School

Organizations that set safety standards for manufactured ductwork include:

a) UL
b) ASTM
c) SMACNA
d) ANSI

Answer :

Final answer:

UL, ASTM, SMACNA, and ANSI are organizations that set safety standards for manufactured ductwork.

Explanation:

The organizations that set safety standards for manufactured ductwork include:

  1. UL - Underwriters Laboratories
  2. ASTM - American Society for Testing and Materials
  3. SMACNA - Sheet Metal and Air Conditioning Contractors' National Association
  4. ANSI - American National Standards Institute

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