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What are the details for installing a double cylinder key lock on a selector switch?

The standard selector switch is only set up for a single cylinder key lock. If line side cables enter from the bottom, the inverted selector switch will be used. The locks will be mounted below the switch handle. Standard panels will accept the double lock. If line side cables enter from the top, the upright selector switch will be used. The locks will be mounted below the switch handle, but the panels must be modified to accept the double cylinder lock.


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