1910.331(a): Covered work by both qualified and unqualified persons
Key takeaways
- 1910.331(a) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart S).
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What this rule covers
29 CFR 1910.331(a) ("Covered work by both qualified and unqualified persons") is one requirement inside 1910.331 Scope, an OSHA general industry standard (Part 1910, Subpart S). It includes 4 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) Covered work by both qualified and unqualified persons. The provisions of §§ 1910.331 through 1910.335 cover electrical safety-related work practices for both qualified persons (those who have training in avoiding the electrical hazards of working on or near exposed energized parts) and unqualified persons (those with little or no such training) working on, near, or with the following installations:
(1) Premises wiring. Installations of electric conductors and equipment within or on buildings or other structures, and on other premises such as yards, carnival, parking, and other lots, and industrial substations;
(2) Wiring for connection to supply. Installations of conductors that connect to the supply of electricity; and
(3) Other wiring. Installations of other outside conductors on the premises.
(4) Optical fiber cable. Installations of optical fiber cable where such installations are made along with electric conductors.
See § 1910.399 for the definition of “qualified person.” See § 1910.332 for training requirements that apply to qualified and unqualified persons.
Source: eCFR, text current as of 2026-10-15. Read all of 1910.331.
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Sources
- 29 CFR 1910.331 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly
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.