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Appears on these pages

  • Door interlocks

    Door interlocks is an elevator device that prevents the door from being opened unless the car is...

  • Interlock/gate switch guide

    This is a guide on the different types of elevator interlocks/gate switches. Interlocks SDM...

  • Otis 6940A Interlock

    Otis 6940A was Otis's elevator interlock. It was most likely used on all Otis elevators most...

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current04:44, November 7, 2013Thumbnail for version as of 04:44, November 7, 20134,000 × 3,000 (1.45 MB)Upanddownadventures (Talk | contribs)