NFPA (NATIONAL FIRE PROTECTION ASSOCIATION) is the leading fire protection organization in the world, worldwide recognized and a publisher for fire safety codes like the famous NFPA 13 for the fire sprinkler systems, NFPA 72 for fire alarm and NFPA 70 the national electrical code. The last one is used in the USA. The other codes along with many other NFPA codes are worldwide trusted.

NFPA 101 – LIFE SAFETY CODE is being used together with other codes, or solely by itself in more than 46 USA states.  According to this code, starting in 2015 edition and on, a UL300A suppression system (like KITCHEN FIRE STOP) is required for residential units with cooking appliances under “board and care occupancy” – new and existing buildings

What is “board and care occupancy”?

NFPA defines Residential Board and Care Occupancy to be “an occupancy used for lodging and boarding of four or more residents, not related by blood or marriage to the owners or operators for the purpose of providing personal care services” Personal Care is defined: “the care of residents who do not require chronic or convalescent medical or nursing care”

NFPA 101 is widely used throughout the US states and counties. Sometimes the local county is using other building codes and add on sections of the NFPA 101 or the entire code.

Subject UL 300A is a standard used to verify that the residential kitchen suppression system is doing its work properly and contains: detection, manual operation as well as automatic, suppression and power shut off to the stove/cooktop when system goes off.

It contains a testing plan for various skillets and pans with different levels and types of oils.

It will test the system to its limits (width of stove, minimum and maximum distance stove top to range hood bottom).

It covers every potential grease fire to verify that the suppression system will detect and extinguish all fires. Also, to verify the fire will not re-ignite within 5 minutes.

International Fire Code IFC 2018

IFC is being used in most of the USA states together with International Building Code – currently many of the states still employ the 2015 edition.  
Utah, Wyoming, Puerto Rico and US Virgin Islands already adopted 2018 version
2018 version has incorporated the requirement for UL300A cooktop suppression systems as described here:
Section 904: Alternative Automatic Fire Extinguishing Systems
904.1 General 
Automatic Fire Extinguishing System other than Automatic Sprinkler System, shall be designed, installed. Inspected, tested and maintained in accordance in accordance with the provisions of this section and the applicable referenced standards.
904.2.1 Restriction on using automatic sprinkler system exceptions or reductions.
Automatic fire extinguishing systems shall not be considered alternatives for the purpose of exceptions or reductions allowed for Automatic Sprinkler Systems or by other requirements of this code.
904.13.1 Protection from fire. 
Cooktops and ranges shall be protected in accordance with section 904.13.1.1 or 904.13.1.2
904.13.1.1 Automatic Fire Extinguishing Systems 
The domestic recirculation or exterior vented cooking hood provided over the cooktop or range shall be equipped with an approved automatic fire extinguishing system complying with the following:
1. The automatic fire extinguishing system shall be of a type recognized for protection of domestic cooking equipment. Pre-engineered automatic fire extinguishing systems shall be listed and labeled in accordance with UL 300A and installed in accordance with the manufacturer’s instructions. 
2. Manual actuation of the fire extinguishing system shall be provided in accordance with section 904.12.1.

3. Interconnection of the fuel and electric power supply shall be in accordance with section 904.12.2.
904.13.1.2 Ignition Prevention
Cooktops and ranges …. allowed to operate for 30 minutes
904.13 Domestic cooking systems
Cooktops and ranges installed in the following occupancies shall be protected in accordance with section 904.13.1:
1. In Group I-1 occupancies where domestic cooking facilities are installed…
Institutional Group I -1: 
16 persons excluding staff who reside in 24-hour basis:
Alcohol and Drug Centers
Assisted living facilities
Congregate care facilities
Group homes
Halfway houses
Residential Board and Care facilities
Residential Board and Custodial Care facilities
Social Rehabilitation facilities
2. In Group I-2 Condition 1 occupancies:
Buildings used for 24 hours medical care for more than 5 persons who are not capable of self-preservation:
Foster Care
Detoxification facilities
Nursing Homes
Psychiatric Hospitals
Condition 1: Facilities providing nursing and medical care but do not provide emergency care, surgery, obstetrics, or in-patient stabilization units for psychiatric or detoxification …

3. In Group R-2 College Dormitories
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