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an element that can control current flow without moving parts.
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3.25.2.4.2 Hydraulic Elevators,
Where magnetically operated, optical, or solid-state devices are used for position sensing, a single short circuit caused by a combination of grounds ...
2.25.4.1.9 Electric Elevators,
Where magnetically operated, optical, or solid-state devices are used for position sensing, a single short circuit caused by a combination of grounds ...
2.26.9.6.3 Electric Elevators,
the flow of alternating current through the solid-state devices, except that leveling shall be permitted to take place with power opening ...
2.26.9.6.4 Electric Elevators,
the relay that inhibits the flow of alternating current through the solid-state devices, as well as the contactors in the brake circuit, are in the de ...