Jason,
690.31(A) permits PV wiring for circuits below 30 volts to be installed
in accessible locations without conduit or raceways. But 690.31(E)
requires the use of metal raceways for PV circuits inside a building. It
does not require EMT. It specifically allows MC cable. Unless there are
local codes specifying otherwise, MC cable should be allowed. Even that
is overkill for a small 12-volt module.
Kent Osterberg
Blue Mountain Solar, Inc.
www.bluemountainsolar.com
On 5/3/2012 9:34 AM, Jason Szumlanski wrote:
I'd like some help with code references for an inspector that is
requiring EMT for a 12V PV panel that runs a solar water heating
circulation pump. The wiring is run through the attic and down to the
pump near the water heater. I've never ran into this before (but I
have run into this inspector). :)
Jason Szumlanski
Fafco Solar
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