How to Use a Lockout/Tagout Lock Box

When a single construction crew is working on a piece of equipment, a single lockout/tagout lock secures the equipment's electrical disconnect switch. This procedure changes when multiple crews are working on multiple pieces of mechanical equipment. In this situation, a lockout/tagout lock box replaces a single lockout/tagout lock to ensure the safety of each crew member. A lockout/tagout box holds the master key for the equipment disconnect and each crew member working on the equipment has a personal lock that locks the lid of the lockbox.

Instructions

• 1

  Place a lockout/tagout group box in the work area. Relay the location of the lockbox to each crewmember working in the area.

• 2

  Write the time, date and contact information on the lockout/tagout tag with a pen.

• 3

  Turn off the disconnect switch for each piece of mechanical equipment. Place the lockout/tagout lock through the disconnect switch to ensure no equipment can turn on. Engage the locks.

• 4

  Place the master lockout/tagout master key(s) inside the lockout/tagout group lockbox and close the lid.

• 5

  Have each crewmember lock the lid of the group lockbox with their personal lockout/tagout lock. Most group lockboxes can hold 13 personal locks.

• 6

  Have each crewmember remove their personal lockout/tagout lock when they complete their task.

• 7

  Open the lid of the group lockbox when no personal locks remain on the group lockbox. Remove the lockout/tagout master key(s) from the lockout/tagout group lockbox.

• 8

  Remove the lockout/tagout lock from the disconnect switch with the master key. Turn on the mechanical equipment.