I use gutters all the time. I zip tie the wires of the separate voltages 
together and label them with a label maker.Psses inspection every time.
Bob-O


On Apr 28, 2013, at 5:27 AM, Jesse Dahl wrote:

690.4(B)(1-4)covers the requirements.  AC and DC can be together with some 
requirements for identification.   

Jesse
Sent from my iPhone

On Apr 27, 2013, at 5:34 PM, Chris Mason <cometenergysyst...@gmail.com> wrote:

> NEC allows AC and DC in the same raceway as long as they are of the same 
> system.
> 
> 
> On Sat, Apr 27, 2013 at 5:07 PM, Aaron Mandelkorn <reoso...@gmail.com> wrote:
> I often see DC and AC wires contained in the same wire gutters and am 
> wondering what people are doing to comply with the NEC.  Doesn't there have 
> to be a physical barrier between AC and DC wires. I like how gutters under 
> multiple inverters and disconnects really clean up the installation but am un 
> sure of how to comply with the NEC in this configuration.  Ant tips or 
> suggestions?  Thanks.
> 
> Aaron Mandelkorn
> NABCEP Certified PV Installer
> Renewable Energy Outfitters
> Box 65 Salida, CO. 81201
> (970)596-3744
> reoso...@gmail.com
> www.reosolar.com
> 
> 
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