Dead front control interlocking

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QES

Senior Member
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California
I have a 480V starters deadfront panel with a disconnect switch mounted outside of the panel. Do UL or code requires a interlock between the disconnect switch and the panel door?
 

ibew441dc

Senior Member
ARTICLE 409 Industrial Control Panels
409.30 Disconnecting Means. Disconnecting means that
supply motor loads shall comply with Part IX of Article 430.

430.102 Location.
(A) Controller. An individual disconnecting means shall
be provided for each controller and shall disconnect the
controller. The disconnecting means shall be located in
sight from the controller location.
 
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