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Old 01-26-2012, 10:53 PM   #1
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Upgrade LoadCenter above ground level rule


Planning for my LC upgrade, checking and double-checking, and I appreciate your expert help ahead of time.

AGL: I'm replacing a 30+ yr-old external-mounted LC box with a new CH -R box. Existing box is shorter (~21" high) and presently sits about 57.5" AGL (above gnd level), whereas the new box is longer (~37" H) and, based on how I want to place it per my present design model, would sit about 47.5" AGL.

My motivation for this particular box placement is that I need to place the new LC such that I minimize the # of splices, while maximizing the # of direct connects to the CBs. I want to avoid splices like the plague, if I can (which I think is reasonable approach).

I don't remember seeing any local Phoenix code or our adopted NEC-2008 requirements for AGL or minimum clearance requirements for an ext load center. Seems to me I've seen LC boxes on newer houses that have a lower AGL than the one I presently have. (I'm trying really hard not to say... the one I currently have).

What say, am I OK? Your expert code-based opinion, please. Thanks again ahead of time.

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Old 01-27-2012, 02:42 AM   #2
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Upgrade LoadCenter above ground level rule


Only mobile home service disconnect boxes have minimum height requirements: It must be at least 24" above grade to the bottom of the panel.

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Old 01-27-2012, 06:32 AM   #3
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Upgrade LoadCenter above ground level rule


as long as all of the breaker handles are under 6'6" above grade, you're golden. height wise.
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Old 01-29-2012, 09:39 PM   #4
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Upgrade LoadCenter above ground level rule


Perfect, thanks a bunch!
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Old 01-29-2012, 09:41 PM   #5
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Upgrade LoadCenter above ground level rule


Quote:
Originally Posted by Techy View Post
as long as all of the breaker handles are under 6'6" above grade, you're golden. height wise.
Actually it is 6' -7" to the center of the handle. The inch matters.
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Old 01-29-2012, 09:43 PM   #6
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Upgrade LoadCenter above ground level rule


OK, thanks Jim for that clarification! I'll note that on my Plan.
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Old 01-30-2012, 02:15 AM   #7
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Upgrade LoadCenter above ground level rule


Quote:
Originally Posted by Jim Port View Post
Actually it is 6' -7" to the center of the handle. The inch matters.

you're right, 6'6" is the Local POCO's max meter height.

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