1926.151(a): Ignition hazards
Key takeaways
- 1926.151(a) is part of OSHA's construction standards (29 CFR Part 1926, Subpart F).
- OSHA cited it 4 times in the last 3 years, in 4 inspections, with $16,702 in current penalties.
- Related part: 1926.151(a)(5).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1926.151(a) ("Ignition hazards") is one requirement inside 1926.151 Fire prevention, an OSHA construction standard (Part 1926, Subpart F). It includes 5 sub-paragraphs. The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.
Official text
(a) Ignition hazards. 4 citations
(1) Electrical wiring and equipment for light, heat, or power purposes shall be installed in compliance with the requirements of subpart K of this part.
(2) Internal combustion engine powered equipment shall be so located that the exhausts are well away from combustible materials. When the exhausts are piped to outside the building under construction, a clearance of at least 6 inches shall be maintained between such piping and combustible material.
(3) Smoking shall be prohibited at or in the vicinity of operations which constitute a fire hazard, and shall be conspicuously posted: “No Smoking or Open Flame.” 4 citations
(4) Portable battery powered lighting equipment, used in connection with the storage, handling, or use of flammable gases or liquids, shall be of the type approved for the hazardous locations.
(5) The nozzle of air, inert gas, and steam lines or hoses, when used in the cleaning or ventilation of tanks and vessels that contain hazardous concentrations of flammable gases or vapors, shall be bonded to the tank or vessel shell. Bonding devices shall not be attached or detached in hazardous concentrations of flammable gases or vapors. Open (a)(5)
Source: eCFR, text current as of 2026-10-15. Read all of 1926.151.
Where and how often it was cited
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Sources
- 29 CFR 1926.151 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly; data as of 2026-10-20
3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.