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OSHA's Lockout/Tagout Interactive Training Program

Preventing Worker Deaths from Uncontrolled Release of Electrical, Mechanical, and Other Types of Hazardous Energy. DHHS NIOSH Publication No. 99-110, NIOSH Alert (1999, August). 

Control of Hazardous Energy (Lockout/Tagout). OSHA (2002 revised), 178 KB PDF, 45 pages.

Control of Hazardous Energy Sources (Lockout/Tagout). OSHA Fact Sheet (2002), 212 KB PDF, 2 pages.

Guidelines for Controlling Hazardous Energy During Maintenance and Servicing [Lockout/Tagout]. NIOSH (1983, September), 1 page. This document is available as four PDF files.

Lockout/Tagout Policy. National Institute for Environmental Health and Safety (1998, January 6), 6 pages.

Lockout/Tagout Procedure. Sonoma State University (1993, April), 5 pages.

Lockout/Tagout. National Ag Safety Database, NIOSH (2002), 2 pages. Also available as a 49 KB PDF file.

1910.147, The control of hazardous energy (lockout/tagout)

App A, Typical minimal lockout

1910.261, Pulp, paper, and paperboard mills

1910.269, Electric Power Generation, Transmission, and Distribution

App A, Flow Charts

1910.306, Specific purpose equipment and installations

1910.333, Selection and use of work practices

1917.48, Conveyors

1918.64, Powered conveyors

1926.417, Lockout and tagging of circuits

1926.702, Requirements for equipment and tools

Preamble to OSHA's Electric Power Generation, Transmission, and Distribution; Electrical Protective Equipment,

STD 1-7.3, 29 CFR 1910.147, the Control of Hazardous (Lockout/Tagout) — Inspection Procedures and Interpretive Guidance (1990, September 11), 18 pages.

STD 1-16.7, Electrical Safety-Related Work Practices — Inspection Procedures and Interpretation Guidelines (1991, July 1), 7 pages.

CPL 2-1.38, Enforcement of the Electric Power Generation, Transmission, and Distribution Standard (2002, October 31).

Review Commission and Administrative Law Judge Decisions
The Occupational Safety and Health Review Commission (OSHRC) is an independent Federal agency created to decide contests of citations or penalties resulting from OSHA inspections of American work places. To locate decisions related to this topic, search for keywords at the OSHRC site.

Letter of Interpretation regarding CFR 1910.269 - Electric Power Generation, Transmission, and Distribution standard. (2002, January 3), 3 pages.

Control of hazardous energy (lockout/tagout) standard, (1997, June 23), 1 page.

Enforcement of the Control of Hazardous Energy (LOTO), (1996, October 30), 1 page.

Clarification of the Control of Hazardous Energy (Lockout/Tagout) Standard, (1996, June 20), 3 pages.

Electrical generators in hospitals and the control of hazardous energy, (1996, May 15), 1 page. Servicing of emergency generators.

The Lockout/Tagout Standard, (1995, September 27), 2 pages.

Certain provisions of the Occupational Safety and Health Administration's (OSHA's) lockout/tagout standard, (1995, September 19), 2 pages.

Lockout/Tagout Citations Against the USDA, (1995, August 14), 2 pages. Food Safety and Inspection Service are covered by the standard.

Control of Hazardous Energy Source (Lockout/Tagout) standard, (1994, August 12), 1 page. Developing a comprehensive program.

Clarification of 29 CFR 1910.147 - Control of Hazardous Energy Standard, (1994, August 5), 1 page. Periodic inspections.

Control of Hazardous Energy (Lockout/Tagout) standard, (1994, July 7), 1 page.

Mechanical equipment, such as an unguarded agitator, posing a hazard within a permit space must be locked out or tagged, (1994, March 3), 1 page.

Lockout/tagout as applies to contractor employers with employees at electric power generation, transmission and distribution work sites, (1992, December 23), 2 pages.

Lockout requirements for energy control devices, (1992, June 24), 1 page.

Interpretation of 29 CFR 1910.147 - Lockout Devices, (1992, March 3), 1 page. Use of lockout locks for other purposes is a violation.

Motor starter circuits and energy isolation devices, (1991, August 5), 1 page.

Confirmation on lockout/tagout, specifically with the standard covering periodic inspections, (1991, July 31), 1 page.

Lockout/Tagout with regards to the cleanup and sanitizing of machinery and equipment in the meatpacking industry, (1991, July 29), 1 page.

Regulations requiring bus maintenance facilities to use safety stands when maintenance personnel are working under buses which have been raised by in-ground or portable vehicle hoists, (1991, June 27), 1 page.

Control of Hazardous Energy Sources (Lockout/Tagout), (1991, January 29), 2 pages. Group lockout situations.

Control of Hazardous Energy (Lockout/Tagout). OSHA Small Business Outreach Training Program - Section 11, 6 pages. Includes overheads, handouts, and a self inspection checklist.

Lockout/Tagout. National Ag Safety Database. Index to several training videos available through NASD.


Lockout /Tagout - Harvard University

Lockout Tagout Manual (Oklahoma State University Program)

Lockout Tagout Policy (U.S. Department of Health and Human Services)

Unlocking the Secrets of Hazardous Energy Control (Utility Safety Magazine April 2001)