pole mounting and conduit questions [RE-wrenches]

[Walt Ratterman]

When I was doing electrical construction work, it was, and still is,
common accepted practice to run electrical wires, without conduit, up
through light poles with just a pvc conduit stub-up out of the concrete,
and an appropriate exit point at the top of the pole.  I have done this
in at least 6 states and more than 20 counties, and this was never, ever
questioned.  So, I would think it would have a chance of being
acceptable for the PV Poles as well.  The ground wire was run inside the
pole as well, and lugged to the pole in a handhole at the bottom of the
pole.  I think the handhole (junction box with accessible cover) would
be an important part of the pole design.

Walt Ratterman
SunEnergy Power International

-----Original Message-----
From: Jeff Irish [mailto:jeff at hvce.com] 
Sent: Wednesday, January 23, 2008 6:47 AM
To: RE-wrenches at topica.com
Subject: RE: pole mounting and conduit questions [RE-wrenches]


Talk to your AHJ.  Ours let us slip the base plate and column over an 8
inch
high PVC stub out in the concrete base and run THWN-2 wire up the inside
of
the column.  Technically a 6 inch diameter steel pipe with 1/4 inch
thick
walls is not a UL listed conduit but our AHJs believe adding an interior
PVC
conduit would be silly and that the steel pipe provides more than
adequate
protection.  One however, requires us to run bare #6 down the outside of
the
column.

Jeff Irish
Hudson Valley Clean Energy

-----Original Message-----
From: Nicholas Ponzio [mailto:nponzio at buildingenergyus.com] 
Sent: Wednesday, January 23, 2008 9:33 AM
To: RE-wrenches at topica.com
Subject: pole mounting and conduit questions [RE-wrenches]

Does anyone have experience running conduit up through a pole? How do
you enter the pipe at the bottom? And do you run conduit all the way
up the pole or does the pole itself become your conduit?

We're using anchor bolts with a pre-welded plate on the bottom of the
steel pipe. See photo here:
http://www.flickr.com/photos/14918878@N04/2214585386/

What I'd like to do is run conduit up the inside of the pole and exit
through the "gimble" on the poletop. See an example of a light post
here: http://www.flickr.com/photos/14918878@N04/2214578212/
I haven't seen this done with PV but I'm sure it's possible. The DP&W
racks come with a knockout on the gimble, for this purpose. Not sure
about Zomeworks, though.

Any feedback is appreciated.

Thanks,
-Nik


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