Electromechanical interlocking machine; locking between electrical and mechanical levers.

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  7. Interlocking
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  9. Electromechanical interlocking machine; locking between electrical and mechanical levers.

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§ 236.340 Electromechanical interlocking machine; locking between electrical and mechanical levers.

In electro-mechanical interlocking machine, locking between electric and mechanical levers shall be maintained so that mechanical lever cannot be operated except when released by electric lever.


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