Circuit Lockout is a procedure that is used to interrupt
the power supply to an electrical circuit or equipment. When a technician is performing
work on a circuit where there is a possibility that someone might accidentally
restore electrical power to that circuit, the technician should place a padlock
and/or a warning label on the applicable
switch or circuit breaker. When you are working in a residence. The chance of
the homeowner. When working in a structure where there are many people who
could open and close switches, you should make absolutely certain that the
electrical energy is disconnected from the circuit. One the circuit is opened,
mark the circuit so that others will not turn the circuit on while the repair
is under way. In a commercial and industrial setting, this can be accomplished
by using safety warning tags, padlocks, or locking devices made for that
purpose. Figure 1 shows a picture of a lockout tag-out kit used to safely
disable an electrical devices. Figure 2 shows a disconnect switch with a
lockout tag-out device installed. Figure 3 shows a circuit breaker with a
lockout tag-out device installed.
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| Fig. 1 |
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| Fig. 2 |
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| Fig. 3 |
