LOTO Competent Person

First published: September 2, 2026Last verified: September 4, 2026Reviewed by the CertQuestUSA team

TL;DR

LOTO Competent Person: a 100-question practice bank for the real OSHA Safety & Health standard, 5 full papers of 18 questions each with no repeats, every question citing the real regulation it comes from.

Where these questions come from

Every question in this bank cites a real source -- primarily 29 CFR (86%) and OSHA Letter of Interpretation (14%) of this exam's citations.

Not sure where you stand? Take the free diagnostic — 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.

Start diagnostic

5

full papers, no repeats

18

questions per paper

100

questions in the bank

What this exam covers

Authorized Employee Duties, Control Sequence and Periodic Inspection (1910.147)100%

5 real sample questions

What must lockout and tagout devices be capable of, per the standard?

A. Withstanding the environment to which they are exposed for the maximum period of time that exposure is expected

B. Being removed by hand without a key or combination

C. Changing color when energy is present

D. Transmitting a wireless signal to a central office

Source: 1910.147(c)(5)(ii)(A)

Lockout and tagout devices must be standardized within a facility in at least which of the following?

A. Color, shape, or size

B. Manufacturer only

C. Price point

D. Country of origin

Source: 1910.147(c)(5)(ii)(B)

Who is an "authorized employee" under the lockout/tagout standard?

A. A person who locks out or tags out machines or equipment in order to perform servicing or maintenance

B. Any employee who works in the same building as the equipment

C. A supervisor with hiring and firing authority

D. An employee whose only job is watching a machine run

Source: 1910.147(b): Authorized employee, definition

Before a machine is turned off to begin servicing, what must the authorized employee know?

A. The type and magnitude of the energy, the hazards of that energy, and the method or means to control it

B. Only the manufacturer's warranty period

C. The machine's original purchase price

D. The names of every previous operator of the machine

Source: 1910.147(d)(1)

How must a machine be turned off before lockout is applied?

A. Using the established shutdown procedure, in an orderly manner that avoids additional or increased hazards

B. By pulling the main breaker without warning, however the machine happens to be operating

C. By waiting for the machine to run out of material and stop on its own

D. By disconnecting only the control panel display

Source: 1910.147(d)(2)

Real-world data for this exam

The Control of Hazardous Energy (Lockout/Tagout)2023-01-01–2026-07-3017,525 citations

Frequently asked questions

How many questions are on the CertQuestUSA LOTO Competent Person practice test?

100 questions total, split into 5 full papers of 18 each with no repeats across papers.

What topics does the LOTO Competent Person test cover?

1 domains, with the heaviest weight on Authorized Employee Duties, Control Sequence and Periodic Inspection (1910.147) (100%).

Where do CertQuestUSA's LOTO Competent Person questions come from?

Primarily 29 CFR (86%) and OSHA Letter of Interpretation (14%) of this bank's citations -- computed directly from this exam's own question sources, not a generic description.

Is there a free diagnostic for LOTO Competent Person?

Yes -- 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.