SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/osha-loto-notify-affected

When must affected employees be told about a lockout?

Before the locks or tags go on and after they come off.

Start playing free

  1. Only after the work is done
  2. Only if they ask
  3. Before locks go on and after they come off ✔

Why: OSHA requires the employer or authorized employee to notify affected employees before lockout or tagout devices are applied and after they are removed.

Huh, didn't know that: An affected employee runs the machine or works in the area, but does not do the lockout.

The dad joke
Why do locks make good employees? They never let anything slip.
Like this card?
Play the game

References

Answer: Before locks go on and after they come off. OSHA requires the employer or authorized employee to notify affected employees before lockout or tagout devices are applied and after they are removed.

  1. 29 CFR 1910.147 The control of hazardous energy (lockout/tagout) www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-J/section-1910.147
    Notification shall be given before the controls are applied, and after they are removed from the machine or equipment.
    Checked 2026-10-10.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Safety & First AidWhat is the main purpose of lockout tagout?Safety & First AidWho is allowed to perform lockout tagout?Safety & First AidWhat does a lockout device do that a tagout device does not?

That's stuff everyone should know.