HOA buttons through PLC

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1910.147 Control of hazardous energy (LOTO)

1910.147 Control of hazardous energy (LOTO)

OSHA Definitions:

Energy isolating device. A mechanical device that physically prevents the transmission or release of energy, including but not limited to the following: A manually operated electrical circuit breaker; a disconnect switch; a manually operated switch by which the conductors of a circuit can be disconnected from all ungrounded supply conductors, and, in addition, no pole can be operated independently; a line valve; a block; and any similar device used to block or isolate energy. Push buttons, selector switches and other control circuit type devices are not energy isolating devices.[/B]
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color and bold are mine.
 
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