OSHA Hot Topics

Still have questions? Five "hot topics" were identified as major issues under the LO/TO standard. To learn more about any of these, visit OSHA's Hot Topic discussion.

1. Relationship of 1910.147, The Control of Hazardous Energy (Lockout/Tagout) Standard, to Subpart O, Machinery and Machine Guarding Standards.
   In this topic, you will find discussions of the following issues:
• Normal Production Operations vs. Servicing and/or Maintenance
• Minor Servicing Exception
• Hazard of Unexpected Energization
• (Also included are a set of examples illustrating the relationship between servicing and maintenance and normal production operations.)
2. Energy Control Program.
   In this topic, you will find detailed information concerning each of the elements in a comprehensive energy control program:
• Specific procedures for energy control and control circuitry prohibition
• Periodic inspections
• Training and retraining
3. Group Lockout/Tagout.
   The Lockout/Tagout standard has specific requirements for lockout or tagout operations involving more than one employee. In this topic, you will find a discussion of group lockout and tagout procedures and work authorization permits.
4. Multiple Energy Sources/Multiple Items of Equipment.
   ‍The Lockout/Tagout standard also applies to servicing and/or maintenance operations in cases where there are multiple energy sources and/or interconnected or nearby machines or equipment. This topic contains a discussion of both of these issues.
5. Relationship of 1910.147, The Control of Hazardous Energy (Lockout/Tagout) Standard, to 1910.269, Electric Power Generation, Transmission, and Distribution Standard, and 1910.333, Selection and Use of Electrical Work Practices Standard.
   ‍This topic addresses the relationship between the Control of Hazardous Energy (Lockout/Tagout) standard and two other standards that CSHOs often must consider during field inspections: the Electric Power Generation, Transmission, and Distribution standard (29 CFR 1910.269) and the Selection and Use of Electrical Work Practices standard (29 CFR 1910.333).