Energy Isolation & Lockout/Tagout (LOTO)
How to identify hazardous energy, isolate it positively, lock and tag isolations, prove zero energy and reinstate safely. For anyone who works on, or authorises work on, energised plant and equipment.
50m
Total time
4
Competency levels
12
Lessons
What you'll learn
- Identify all forms of hazardous energy present in a job, including stored and residual energy
- Explain the full LOTO sequence from identifying energy sources to proving zero energy
- Apply personal locks and tags correctly, including group isolations using a lockbox
- Verify de-energisation with an appropriate try-test or test-for-dead method before work starts
- Link isolation certificates to the permit to work and control safe reinstatement
- Recognise common isolation failure modes such as wrong-unit errors, unauthorised lock removal and back-feeds
Curriculum
Progress through each competency level in order.
1
Awareness
- 2mHazardous Energy: What Can Hurt YouKnowledge
- 2mLocks, Tags and the Golden RulesKnowledge
- 5mAwareness Check: Hazardous Energy and Lock DisciplineAssessment
2
Knowledge
- 3mThe LOTO Sequence Step by StepKnowledge
- 3mPositive Isolation, Certificates and the PermitKnowledge
- 8mKnowledge Check: Sequence and Isolation MethodsAssessment
3
Skill
- 3mProving Dead and Working as a GroupKnowledge
- 3mField Task: Walk Down an IsolationAssignment
- 7mSkill Check: Verification and Group WorkingAssessment
4
Mastery
- 3mOwning Isolations: Reinstatement and Failure ModesKnowledge
- 3mField Task: Plan and Lead a Group IsolationAssignment
- 8mMastery Assessment: Leading Energy IsolationAssessment
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