Lockout/tagout of electrical hazards by workers who install, maintain, repair or replace premises wiring systems.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

August 5, 2015

Walter R. Brewton
524 Riverwood Drive
Crestview, FL 32536

Dear Mr. Brewton:

Thank you for your January 16, 2015, correspondence to the Occupational Safety and Health Administration's (OSHA), Directorate of Enforcement Programs, regarding the lockout and tagout requirements in 29 CFR 1910, Subpart S. You had seven specific questions, which are listed below, with our responses.

Qualified employee requirements for the servicing and maintenance of electrical equipment.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

September 9, 1993

Mr. Steve Trawick Director,
Occupational Safety and Health
United Paperworkers International Union
P.O. Box 1475
Nashville, Tennessee 37202

Dear Mr. Trawick:

Applicability of OSHA's LOTO standards; isolation and verification procedures.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

November 16, 2000

Robert Weaver, Safety Coordinator
M&W Contractors, Inc.
P.O. Box 2510
East Peoria, IL 61611-0510

Dear Mr. Weaver:

Lockout/tagout: preferred means of energy isolation; non cord-and-plug powered equipment.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

March 22, 2000

Mr. John D. Weagraff, CSP
Safety Futures
60 Olde Maple Avenue
Fulton, NY 13069

Dear Mr. Weagraff:

Thank you for your November 12, 1999 letter to the Occupational Safety and Health Administration's (OSHA's) [Directorate of Enforcement Programs]. You have a question regarding acceptable work practices associated with the Control of Hazardous Energy Source (Lockout/Tagout) standard, 29 CFR §1910.147. Your scenario, questions, and our reply follow:

Lockout of tagout requirements for electrical hazards

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

August 05,2015

Walter R. Brewton
524 Riverwood Drive
Crestview, FL 32536

Dear Mr. Brewton:

Thank you for your January 16, 2015, correspondence to the Occupational Safety and Health Administration's (OSHA), Directorate of Enforcement Programs, regarding the lockout and tagout requirements in 29 CFR 1910, Subpart S. You had seven specific questions, which are listed below, with our responses.

Clarification about 29 CFR 1910.333 and 29 CFR 1910.147 as they relate to work inside an electrical panel and on related equipment.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

July 28, 2006

Mr. Rick Kante
Safety Director
Briggs & Stratton Corporation
P.O. Box 702
Milwaukee, WI 53201

Dear Mr. Kante:

Whether an LED type device ca be used for the isolation and deenergization verification requirements of 1910.147 and 1910.333.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

December 12, 2012

Mr. Ralph Mosely
REM Safety Consultants, Inc.
3963 South Highway 97, Ste #317
Sandy Springs, Oklahoma 74063

Dear Mr. Mosely:

Thank you for your November 11, 2011, letter to the Occupational Safety and Health Administration's (OSHA's) Directorate of Enforcement Programs (DEP). You asked questions about OSHA's general industry requirements for the control of hazardous energy. We apologize for the delay in responding.