Lock-Out/Tag-Out 29 CFR 1910.147

In machines and equipment, energy sources such as electrical, mechanical, hydraulic, pneumatic, chemical, thermal, or other sources may be dangerous for employees. The unexpected activation or release of stored energy during the service and maintenance of machines and equipment may cause critical injuries or even fatalities to personnel. Measures for regulating various types of hazardous energy are outlined in the OSHA’s General Industry Standard for the Control of Hazardous Energy (Lockout/Tagout) (29 CFR 1910.147). The LOTO standard lays forth the employer’s obligation to shield employees from dangerous energy. The processes and procedures required to shut down machinery or equipment to stop the discharge of hazardous energy are described in OSHA’s Lockout/Tagout Fact Sheet.

Goals of the Course

The goal of this course is to provide training to workers to make certain that they recognize and comprehend as well as should be capable of following the relevant provisions of the hazardous energy control measures. It also defines the procedures and practices essential in disabling the equipment or machinery for preventing the release of hazardous energy.

training requirements of 29 CFR 1910.120(e)(3)(i) defined by Federal OSHA HAZWOPER for general industry.

training requirements of 29 CFR 1926.65(e)(3)(i) defined by Federal OSHA HAZWOPER for construction sector.

HAZWOPER training requirements for EPA and State OSHA guidelines.

Audience Specified

The training applies to every OSHA employee, who intends to address emergencies disturbing the
sustained operations of the Occupational Safety and Health Administration office. This includes
employees handling hazardous waste material.

Learning Outcome:

At the completion of this course, students will be able to understand the following:

  1. The purpose of implementation of 29 CFR 1910.147;
  2. The definition of the following terms:
  • hot tap
  • authorized employee
  • tagout
  • tagout device
  • lockout device
  • lockout
  • energy isolating device
  1. When retraining of employees in lockout/tagout procedures is required?
  2. Elements of lockout/tagout procedures in their proper sequence;
  3. Requirements of contractor for personnel lockout/tagout training, and contents of that training;
  4. Requirements for standardized lockout and tagout devices;
  5. The procedure used for releasing machines or equipment from lockout or tagout by a contractor?
  6. The measures to be implemented if a tagout cannot be attached directly to an energy-isolating device.


Module 1


Module 2


Module 3

General Requirements

Module 4

Application of control

Module 5

Release from lockout or tagout

Module 6

Additional Requirements

Quiz and Exam Information

Module Quiz

Quiz will be held at the end of each module to comprehend the knowledge of students about that
module and its relevant aspects. It is mandatory to pass all quizzes to be able to take final

Examinable Features

Completion time

Students are expected to complete all modules and pass final exam within 6 months of the initial registration
to receive course credits. A re-registration with complete course fee will be required after the expiration of this time period.
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