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 MIL-HDBK-1023/4
2.5.2
"DANGER" Tag. The tags (see Figure 2) should be used for personnel and
equipment protection. The tags should be used when personnel are required to work on or near
equipment that, if energized, would cause personal injury or damage to equipment. When
deenergizing electrical equipment, "DANGER" tags should be put on all primary disconnecting
devices and control components such as control switches. Each individual working on the
deenergized equipment, and other personnel authorized by the facility manager, may attach tags;
however, tags should be removed only by the person who has placed and signed the tags. In
some circumstances, a "DANGER" tag may be removed by another authorized person after
obtaining the verbal consent of the individual who has signed the tag. This exception would
apply to conditions arising from shift changes, illnesses, vacations, etc. Tags that are placed on
equipment which is exposed to the elements should be made of plastic or enclosed in transparent
plastic envelopes. Equipment bearing a "DANGER" tag must never be operated at any time.
DANGER
DANGER
DANGER
DANGER
DO NOT OPERATE
FAILURE TO COMPLY MAY
RESULT IN LOSS OF LIFE,
DO NOT OPERATE
INJURY OR PROPERTY
DAMAGE.
REMOVAL OF THIS TAG CAN
FAILURE TO COMPLY MAY
ONLY BE AUTHORIZED BY
RESULT IN LOSS OF LIFE,
THE PERSON WHOSE
INJURY OR PROPERTY
APPROVAL APPEARS BELOW.
DAMAGE.
SERIAL NO
DATE TIME
AM
0001
PM
APPROVED BY
PURPOSE OF TAG
AFFIXED BY (Signature)
SERIAL NO
0001
DANGER TAG
WORK ORDER NO DATE
TIME:
AM
PM
APPROVED BY
PURPOSE OF TAG
EQUIPMENT TYPE
EQUIPMENT LOCATION
AFFIXED BY (Signature)
DANGER TAG - FRONT
DANGER TAG - BACK
Figure 2
"DANGER" Tag
2.5.3
"DANGER" Tag Control. "DANGER" tags and locks should be controlled by the
leading electrical or maintenance supervisor at each facility or other personnel authorized by the
facility manager. The procedure is initiated with the supervisor issuing "DANGER" tags for
each job. Each tag and corresponding stub has a unique serial number printed on both the tag
and the stub. The recipient of the tags enters all information requested on the "DANGER" tags
and stubs, including signature, and proceeds to personally fasten them to the de-energized
equipment. On completion, the electrician notifies the supervisor who personally inspects all tag
points to assure that the equipment is safely isolated for repairs or inspection. The supervisor's
approval is then indicated by signing each tag and stub. After the work is completed and
equipment put back in service, the "DANGER" tags should be removed and destroyed. The
corresponding stubs should be retained for a period of time designated by the facility manager.
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