Code reference · Semi-Annual

NFPA 96

Kitchen Hood Suppression

NFPA 96 is the Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations. Every commercial kitchen hood — restaurant, hotel, assisted living, school cafeteria — falls under NFPA 96. It covers hood construction, exhaust duct cleaning frequency, and the UL 300 wet-chemical suppression system that must protect the cooking surface.

Key requirements

  • 1

    Semi-annual inspection and service of the UL 300 wet-chemical suppression system

  • 2

    Exhaust system cleaning frequency: monthly to annually based on cooking volume

  • 3

    Fusible links replaced annually (or as hooked by manufacturer)

  • 4

    Manual pull station tested at every service

  • 5

    Gas-shutoff / electrical-shutoff interlock verified

  • 6

    Hood filters cleaned per schedule; no grease accumulation permitted

Reference only

Published summary for informational use. Fire code adoption varies by jurisdiction and edition. Verify current enforced codes with your local Authority Having Jurisdiction (AHJ) and consult a licensed fire protection contractor before taking action. Not legal or professional advice.