Exceptions to Lockout/Tagout Requirements

DOE-STD-1030-96

Equipment that presents no danger to personnel or other equipment during

maintenance does not require lockout/tagout. For example, electrical equipment

whose maximum voltage is less than 30 volts will not normally require lockout/-

tagout if there will be no increased exposure to electrical burns or to explosion

due to electric arcs. Equipment that can be deenergized by unplugging it from

its energy source does not require lockout/tagout, if the unplugged power cord is

under the exclusive control of the person performing the maintenance.

Lockout/tagout is required for all other equipment.

OSHA requirements identify specific situations where the use of a written

procedure for lockout/tagout is not necessary. An authorized individual can

perform lockout/ tagout without a written procedure if ALL the following

criteria are met:

The machine or equipment has no potential for stored or residual energy or

reaccumulation of stored energy that could endanger personnel after

shutdown

The machine or equipment has a single energy source that can be readily

identified and isolated

The isolation and locking/tagging of that energy source will completely

deenergize and deactivate the machine or equipment

The machine or equipment is isolated from that energy source and locked out

during maintenance

A single lockout device will achieve a locked out condition

The lockout device is under the exclusive control of the authorized personnel

performing maintenance

The maintenance does not create hazards to other personnel

There have been no accidents involving unexpected activation or reenergizing

of the machine or equipment during previous maintenance.