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Subject - Required Workspace Flush Panel
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Scott Vickrey
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To use this image on any site: Use the following address. http://www.electricalknowledge.com/images/RequiredWorkspace.gif Requirements for use: Include a link to http://www.electricalknowledge.com/default.asp?CAT_ID=6 Try to state that this is a link to EK's Images and Drawings collection. Some thing like this From the Images and Drawing Collection
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Ryan_J
| Hi Scott. Nice graphic. You may wish to include that the depth is dependant upon the nominal votage to ground, and if it exceeds 150V (nominal) you would have to comply with conditions 2 or 3, as applicable.
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Scott Vickrey
| Thanks for the input Ryan. I thought about that originally , but I wanted to leave room for others to edit the image with their own comments. After reading your post I decided we should have both.

To use this image on any site: Use the following address. http://www.electricalknowledge.com/images/RequiredWorkspaceNoted.gif Requirements for use: Include a link to http://www.electricalknowledge.com/default.asp?CAT_ID=6 Try to state that this is a link to EK's Images and Drawings collection. Some thing like this From the Images and Drawing Collection
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Ryan_J
| That turned out great, Scott. :)
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cs409
| think this is a good idea heading in a good direction
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mgphilli
| How low to floor grade can this panel be placed and still meet the intent of NEC, Article 110.32? Anything in Life Safety Code about minimum mounting height?
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KSsparky
| I don't know of a minimum height requirement in the NEC. Obviously having to get on your knees to operate the breakers would be a little ridiculous, but I don't think it violates the definition of "readily accessible". What do you say inspector Ryan ?
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Ryan_J
| 110.32 is for over 600 volt systems.
110.26 would be the applicible section, and it doesn't address a minimum...put it on the floor if you like :). There is a maximum, which is located in 404.8 (6'7" to highest breaker), and there is also a minimum height for RV parks, which is not less than 24" above grade [551.77(D)].
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