#	Letters of Interpretation
1	08/17/2026 - 1910.333(b)(2)(iii)(B) - Clarification Regarding the Requirements of OSHA's Selection and Use of Work Practices Standard for Electrical Work
2	08/17/2026 - 1910.333(b)(2)(iii)(A) - Clarification Regarding the Requirements of OSHA's Selection and Use of Work Practices Standard for Electrical Work
3	08/05/2015 - 1910.333(b) - Lockout/tagout of electrical hazards by workers who install, maintain, repair or replace premises wiring systems.
4	08/17/2026 - 1910.333(b)(2)(iii) - Clarification Regarding the Requirements of OSHA's Selection and Use of Work Practices Standard for Electrical Work
5	11/24/2025 - 1910.333(b)(2) - Clarification Regarding the Requirements of 29 CFR 1910.147
6	08/05/2015 - 1910.333(b) - Lockout of tagout requirements for electrical hazards
7	12/12/2012 - 1910.333(b)(2)(iv)(B) - Whether an LED type device ca be used for the isolation and deenergization verification requirements of 1910.147 and 1910.333.
8	12/12/2012 - 1910.333(b)(2)(iii)(D) - Whether an LED type device ca be used for the isolation and deenergization verification requirements of 1910.147 and 1910.333.
9	12/12/2012 - 1910.333(b)(2) - Whether an LED type device ca be used for the isolation and deenergization verification requirements of 1910.147 and 1910.333.
10	12/12/2012 - 1910.333(b), 1910.333(b)(2), 1910.333(b)(2)(iii)(D), 1910.333(b)(2)(iv)(B) - Whether an LED type device ca be used for the isolation and deenergization verification requirements of 1910.147 and 1910.333.
11	11/14/2006 - 1910.333(b)(2) - OSHA requirements for warning signs and protection from electric-arc-flash hazards and compliance with NFPA 70E-2004.
12	07/28/2006 - 1910.333(b)(2)(iii)(E) - Clarification about 29 CFR 1910.333 and 29 CFR 1910.147 as they relate to work inside an electrical panel and on related equipment.
13	07/28/2006 - 1910.333(b)(2) - Clarification about 29 CFR 1910.333 and 29 CFR 1910.147 as they relate to work inside an electrical panel and on related equipment.
14	07/28/2006 - 1910.333(b), 1910.333(b)(2), 1910.333(b)(2)(iii)(E) - Clarification about 29 CFR 1910.333 and 29 CFR 1910.147 as they relate to work inside an electrical panel and on related equipment.
15	10/27/2005 - 1910.333(b)(2) - Acceptability of using a light switch as a disconnecting means for the electrical lockout/tagout standard.
16	10/27/2005 - 1910.333(b)(1) - Acceptability of using a light switch as a disconnecting means for the electrical lockout/tagout standard.
17	11/16/2000 - 1910.333(b) - Applicability of OSHA's LOTO standards; isolation and verification procedures.
18	07/10/2000 - 1910.333(b)(2)(v)(C) - Evaluation of proposed modifications to the Bureau of Prisons' Lockout/Tagout (LOTO) procedures.
19	07/10/2000 - 1910.333(b)(2) - Evaluation of proposed modifications to the Bureau of Prisons' Lockout/Tagout (LOTO) procedures.
20	03/22/2000 - 1910.333(b) - Lockout/tagout: preferred means of energy isolation; non cord-and-plug powered equipment.
21	09/09/1993 - 1910.333(b) - Qualified employee requirements for the servicing and maintenance of electrical equipment.

#	Regulations
1	03/13/2001 - - Selection and use of work practices.