If the box is NEMA 3R, it needs to be mounted vertically to shed
water. If it is a sealed NEMA 4X rated unit, it can be mounted at any angle.
At 02:49 PM 11/11/2013, you wrote:
Hi Wrenches,
There is no "implication" other than confirming how the disco
is tested, and thus certified. It probably makes no difference
electrically which position the
unit is mounted, but AHJs may have differing opinions on whether
this would be permitted.
Rgds,
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