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Washington Administrative Code (Last Updated: November 23, 2016) |
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Title 296. Labor and Industries, Department of |
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Chapter 296-96. Safety regulations and fees for all elevators, dumbwaiters, escalators and other conveyances. |
Section 296-96-23274. What requirements apply to the power supply line disconnect?
Latest version.
- (1) A disconnect switch or a circuit breaker must be installed and connected into the power supply line to each elevator motor or motor generator set and controller. The power supply line must be equipped with overcurrent protection inside the machine room.(2) The disconnect switch or circuit breaker must be of the manually closed multipole type and be visible from the elevator driving machine or motor generator set. When the disconnecting means is not within sight of the driving machine, the control panel, or the motor generator set, and additional manually operated switch must be installed adjacent to the remote equipment and connected in the control circuit to prevent starting.(3) No provision may be made to close the disconnect switch from any other part of the building.(4) Where there is more than one driving machine in a machine room, disconnect switches or circuit breakers must be numbered to correspond to the number of the driving machine which they control.