Certified Lockout, Tagout & Tryout Safety Training (CLTTST)
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Course Description
The Certified Lockout, Tagout & Tryout Safety Training (CLTTST) certification is a comprehensive occupational safety program designed for maintenance personnel, electricians, machine operators, supervisors, safety professionals, and anyone responsible for servicing or maintaining equipment with hazardous energy sources. This course provides participants with the knowledge and practical skills needed to safely control hazardous energy, prevent unexpected equipment startup, and maintain compliance with OSHA Lockout/Tagout (LOTO) regulations.Unexpected machine energization is one of the leading causes of serious workplace injuries and fatalities during maintenance and servicing activities. This course provides in-depth instruction on OSHA's Control of Hazardous Energy Standard (29 CFR 1910.147), emphasizing the identification, isolation, locking, tagging, verification, and tryout of hazardous energy sources before maintenance begins. Participants will learn how to safely control electrical, mechanical, hydraulic, pneumatic, thermal, chemical, gravitational, and other stored energy sources commonly found in industrial workplaces.
The curriculum covers energy isolation procedures, authorized and affected employee responsibilities, lockout/tagout devices, machine-specific energy control procedures, group lockout, shift changes, contractor coordination, periodic inspections, equipment verification, and tryout procedures. Real-world scenarios and practical examples help participants understand how to implement effective hazardous energy control programs that reduce workplace accidents and improve OSHA compliance.
Upon successful completion of the Certified Lockout, Tagout & Tryout Safety Training (CLTTST) course, participants will possess the skills necessary to safely perform equipment servicing, develop compliant LOTO programs, prevent hazardous energy incidents, and promote a safer workplace through effective energy isolation and regulatory compliance.
What You'll Learn
- Upon successful completion of the Certified Lockout, Tagout & Tryout Safety Training (CLTTST) course, participants will be able to:
- Understand OSHA Lockout/Tagout (29 CFR 1910.147) requirements and hazardous energy control regulations.
- Identify hazardous energy sources, machinery risks, and situations requiring lockout, tagout, and tryout procedures.
- Apply proper lockout, tagout, verification, and tryout techniques to safely isolate equipment before maintenance or servicing.
- Develop machine-specific energy control procedures for electrical, hydraulic, pneumatic, mechanical, thermal, and stored energy systems.
- Differentiate the responsibilities of authorized employees, affected employees, and other personnel involved in LOTO programs.
- Conduct periodic inspections, audits, and compliance evaluations to ensure effective hazardous energy control.
- Implement OSHA-compliant lockout/tagout programs, employee training, and documentation to improve workplace safety.
- Reduce workplace injuries, equipment damage, and operational risks through effective hazardous energy management and continuous safety improvement.
Who Should Attend
Maintenance & Facility Technicians Equipment Operators & Machinists Safety Supervisors & Coordinators Industrial Hygienists Manufacturing & Production Staff Line Supervisors & Team Leads Collateral Duty Safety Personnel Program Administrators
Certified Lockout, Tagout & Tryout Safety Training (CLTTST) Blueprint
1. Overview
The Certified Safety Health Specialist - General Industry (CLTTST) blueprint summarizes the examination structure and core knowledge areas aligned to the IASHEP General Industry course. The source course emphasizes 29 CFR 1910 safety regulations and standards, OSHA policies and procedures, hazard recognition, workplace inspections, risk assessments, incident investigations, corrective actions, and safety program implementation.
2. Examination Parameters
| Duration | 4 Day course alignment |
| Total Questions | Standardized assessment |
| Question Format | Multiple-choice and scenario-based |
| Passing Score | Standard passing requirement |
3. Prerequisites & Qualifications
Candidates for this certification generally have responsibilities in workplace safety, compliance, supervision, industrial hygiene, facility operations, risk management, or program administration. Preparation should include:
- Familiarity with OSHA general industry requirements and 29 CFR 1910 standards.
- Ability to recognize common workplace hazards and recommend controls.
- Understanding of inspections, risk assessments, incident investigations, and corrective action planning.
- Practical experience supporting or managing safety and health programs.
4. Examination Domains
| Domain Name | Weight (%) | Number of Questions |
|---|---|---|
| 1. OSHA General Industry Regulations and Compliance | 25% | 25 |
| 2. Hazard Identification and Risk Assessment | 20% | 20 |
| 3. Safety Program Implementation and Hazard Controls | 20% | 20 |
| 4. Workplace Inspections and Corrective Actions | 15% | 15 |
| 5. Incident Investigation and Prevention Planning | 10% | 10 |
| 6. Communication, Training, and Professional Application | 10% | 10 |
| TOTAL | 100% | 100 |
5. Domain Breakdown
Domain 1: OSHA General Industry Regulations and Compliance
Weight: 25%
Knowledge of:
- OSHA general industry regulations, standards, policies, and procedures.
- 29 CFR 1910 safety regulation/standard structure and application.
- Regulatory compliance requirements for workplace safety and health programs.
- Use of OSHA standards as a guide for identifying high-hazard areas.
Domain 2: Hazard Identification and Risk Assessment
Weight: 20%
Knowledge of:
- Recognition of common workplace hazards including chemical, electrical, machinery, ergonomics, and environmental risks.
- Risk assessment methods for prioritizing hazards and exposures.
- Hazard identification, avoidance, control, and prevention concepts.
- Selection of practical control strategies based on observed workplace conditions.
Domain 3: Safety Program Implementation and Hazard Controls
Weight: 20%
Knowledge of:
- Implementation of effective safety programs and hazard control measures.
- Accident prevention strategies and corrective action planning.
- General industry safety and health principles as applied to real-world situations.
- Integration of safety procedures into routine operations.
Domain 4: Workplace Inspections and Corrective Actions
Weight: 15%
Knowledge of:
- Planning and conducting workplace inspections.
- Documenting inspection findings and identifying corrective actions.
- Evaluating facility, maintenance, production, and healthcare work environments.
- Communicating inspection results to supervisors, coordinators, and managers.
Domain 5: Incident Investigation and Prevention Planning
Weight: 10%
Knowledge of:
- Incident investigation principles and root-cause awareness.
- Corrective action planning following accidents, near misses, or identified hazards.
- Use of incident findings to improve hazard control and prevention programs.
- Follow-up activities to verify corrective actions are completed.
Domain 6: Communication, Training, and Professional Application
Weight: 10%
Knowledge of:
- Communicating OSHA requirements and safety expectations to workers and management.
- Supporting training, orientation, and safety awareness activities.
- Applying course knowledge immediately in workplace settings.
- Professional responsibilities for safety supervisors, coordinators, industrial hygienists, facility managers, line supervisors, and program administrators.
6. Additional Information
Course Alignment:
- IASHEP CSHS-GI course page identifies the course as a 4-day intermediate General Industry course.
- The course description identifies 29 CFR 1910 safety regulations/standards as the primary focus.
- The course outcomes include OSHA compliance, hazard identification, safety program implementation, workplace inspections, risk assessments, incident investigations, and corrective action planning.
Source: IASHEP course page, Certified Safety Health Specialist - General Industry (CLTTST), accessed May 14, 2026.