# Standard Interpretations
1 - 1910.147(c)(1) - Motor-control-circuit switches and relays are prohibited from being used as energy isolating devices.
2 - 1910.147(c)(1) - Use of Monitored Power Systems for lockout/tagout.
3 - 1910.147(c)(1) - Use of "generic" LOTO procedures in conjunction with "work authorization permits".