Section 400.4560. Cooking appliances.

(1) Cooking appliances shall be suitably installed in accordance with approved safety practices.

(2)   Where metal hoods or canopies are provided over domestic cooking appliances, they shall be equipped with filters which shall be maintained in an efficient and clean condition.

(3)   In a newly constructed, remodeled, or converted large and secure facility, where metal hoods or canopies are provided over commercial kitchen cooking appliances, they shall be designed and equipped in compliance with the national fire protection association standard No. 96, entitled "Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations,” 2014, and shall comply with all of the following requirements:

(a)  Filters shall be maintained in an efficient and clean condition.

(b)   Only vapor proof electrical wiring and equipment shall be permitted in hoods or canopies.

(c)    Exhaust ducts from hoods shall be run to the outside by the shortest possible route. When exhaust ducts are run through open spaces between a ceiling and a floor or roof or through any floors above, the ducts shall be enclosed in horizontal or vertical shafts protected from the remainder of the building by construction which affords a 2- hour fire resistance rating.

(d)    Fire extinguishment equipment for the hood and exhaust duct of a cooking appliance in a kitchen shall be in compliance with the national fire protection association standard No. 96, entitled "Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations,”.

(4)   In an existing facility, metal hoods and canopies approved before these rules take effect shall continue to be approved until the facility or portion thereof which incorporates the kitchen is remodeled or converted. When the kitchen is remodeled or the facility is converted, hoods, canopies, and kitchen hood suppression systems for cooking appliances shall comply with the requirements of this rule for new construction. Filters in any hood or canopy in an existing facility shall be maintained in an efficient and clean condition.

History: 1983 AACS; 2015 AACS.