Consult 180–2403–6508 V

UL 299, 11th Edition, April 13, 2012 – UL Standard for Safe Dry Powder Fire Extinguishers

1 Scope

1.1 These requirements cover the construction and performance of portable dry chemical and dry powder (Class D) fire extinguishers, excluding performance during fire tests. Dry chemical fire extinguishers and dry powder fire extinguishers are intended for use in accordance with the Portable Fire Extinguisher Standard/NFPA 10 and the Canadian National Fire Code.

1.2 The performance requirements during fire testing of dry chemical fire extinguishers are specified in the National Standard for Fire Extinguisher Ratings and Fire Testing/UL/ULC-S508.

1.3 Unless specifically stated otherwise, the term "fire extinguisher" as used in these requirements refers to all fire extinguishers or any part thereof covered by these requirements.

2 units of measure

2.1 For the purposes of this standard, metric units shall be designated as official units. If measurements are specified in SI and imperial units, use either unit. In case of dispute, metric units should be used.

3 Reference publications

3.1 See Annex A for a list of publications cited in this standard. Any undated reference to a code or standard that appears in the requirements of this standard shall be construed as a reference to the most recent edition of that code or standard. When the latest edition of a standard is not applicable, the appropriate edition will be indicated in Annex A accordingly.

4 components

4.1 Except as stated in 4.2, the product components covered by this standard shall meet the requirements of that component. Components shall comply with Underwriters Laboratories.

and Underwriters Laboratories Canada's standard for this component.

4.2 Components are not required to meet the following specific requirements:

a) involves functions or characteristics that are not required for the application of components in products covered by this standard, or

b) are superseded by the requirements in this standard.

4.3 Components should be used in accordance with their ratings for the intended conditions of use.

4.4 Certain components are incomplete in constructional features or limited in performance. Such components are only used under limited conditions, such as certain temperatures that do not exceed specified limits, and only under these specific conditions.

5 Glossary

5.1 For the purposes of this standard, the following definitions apply.

Exporting safety products to the United States, Canada, listing on Amazon, etc. requires that the fire protection and other safety products you publish must be tested and meet the following specific regulations or standards:

Commodity regulations/standard requirements

Smoke detectors UL 217

Smoke detectors UL 268

Carbon monoxide purifier UL 2034

Residential Gas Detectors UL 1484

Water-Based Agent Fire Extinguisher UL 8

Carbon dioxide fire extinguisher UL 154

Dry Powder Fire Extinguisher UL 299

Humidification Fire Extinguisher UL 8

Water extinguisher UL 626

Halocarbon Cleaner Fire Extinguisher UL 2129

Smoke Masks* OSHA 29 CFR 1910.134 or ASTM E2952-14