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File:Trapped key interlock switchgear door.JPG

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This is a trapped key interlock on the door of an electrical switchgear cabinet. To open the door the key must be inserted and turned to withdraw a bolt that holds the door closed. With the bolt withdrawn, the key is held in the lock. The upstream switching device is held open by another interlock
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using the same key; since the key can only be in one of the two locks, it prevents accidentally closing the upstream switch while the cabinet is open for maintenance. The interlock is attached to the door with one-way screws to discourage casual removal of the lock, which would defeat the system.
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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If the file has been modified from its original state, some details may not fully reflect the modified file.
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I, the copyright holder of this work, hereby publish it under the following license:
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Anexo:Diferencias de vocabulario estándar entre países hispanohablantes
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File
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File:Trapped key interlock switchgear door.JPG
800 × 600 pixels
320 × 240 pixels
640 × 480 pixels
1,024 × 768 pixels
1,280 × 960 pixels
2,560 × 1,920 pixels
4,000 × 3,000 pixels
Original file
Wikimedia Commons
description page there
You can help
Wtshymanski
Creative Commons
Attribution-Share Alike 4.0 International
same or compatible license
depicts
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