OSHA Lockout/Tagout Procedures 3 — Questions and Answers
Question 1: Which of the following is classified as an 'affected employee' under LOTO?
- An employee who operates the machine but does not service it (Correct answer)
- An electrician performing repairs
- The plant CEO
- A visitor touring the facility
Correct answer: An employee who operates the machine but does not service it
An affected employee operates or works near equipment being serviced but does not perform the lockout themselves.
Question 2: What is required of a lockout device according to OSHA?
- It must be reusable across all machines without a key
- It must be durable, standardized, and substantial (Correct answer)
- It must be made of paper
- It must be shared among workers
Correct answer: It must be durable, standardized, and substantial
Lockout devices must be durable, standardized, substantial, and identifiable to prevent removal without excessive force.
Question 3: During a group lockout, what device is commonly used so each worker can attach a personal lock?
- A single master key
- A lockout hasp (Correct answer)
- A warning cone
- A time clock
Correct answer: A lockout hasp
A group lockout hasp allows multiple authorized employees to each apply their own personal lock to one isolation point.
Question 4: When must stored electrical energy in capacitors be addressed during LOTO?
- Never, capacitors are always safe
- It must be dissipated or restrained before work begins (Correct answer)
- Only after the job is complete
- Only if the machine is over 20 years old
Correct answer: It must be dissipated or restrained before work begins
Stored or residual energy such as that in capacitors must be dissipated or restrained before servicing begins.
Question 5: Which situation is generally EXEMPT from the full LOTO standard?
- Replacing a machine motor
- Minor tool changes during normal production using alternative protection (Correct answer)
- Rebuilding a hydraulic press
- Clearing a jam requiring guard removal
Correct answer: Minor tool changes during normal production using alternative protection
Minor servicing during normal production operations may be exempt if alternative effective protection is provided.
Question 6: What must happen to a shift-change lockout to maintain continuous protection?
- All locks are removed and energy restored
- Incoming employees apply their locks before outgoing employees remove theirs (Correct answer)
- The machine is run briefly between shifts
- Only a supervisor holds one lock overnight
Correct answer: Incoming employees apply their locks before outgoing employees remove theirs
Procedures must ensure continuity so incoming workers apply locks before outgoing workers remove theirs.
Question 7: Who must receive training on the purpose and use of the energy control procedure?
- Only authorized employees
- Authorized, affected, and other employees as appropriate (Correct answer)
- Only new hires
- Only managers
Correct answer: Authorized, affected, and other employees as appropriate
Training must be provided to authorized, affected, and other employees so everyone understands the procedure.
Which of the following is classified as an 'affected employee' under LOTO?