[RE-wrenches] Underwater wire

Chris chris at solarwindworks.com
Fri Jun 10 11:41:36 PDT 2011


Why not use submersible pump cable? It's readily available in different wire
gauges, usually from a Well Driller or Pump installer. Some bigger
electrical supply houses carry it too, and have even seen variations in Home
Depot.

 

Sincerely,

Chris Worcester

Solar Wind Works
NABCEP Certified PV Installer
Phone: 530-582-4503
Fax: 530-582-4603
www.solarwindworks.com <http://www.solarwindworks.com/> 
chris at solarwindworks.com
"Proven Energy Solutions"

 

From: re-wrenches-bounces at lists.re-wrenches.org
[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Kristopher
Schmid
Sent: Friday, June 10, 2011 11:12 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] Underwater wire

 

Thanks for the input, all!  I can't wade to dive into this project, now.

On Fri, Jun 10, 2011 at 8:53 AM, Max Balchowsky <max at seesolar.com> wrote:

Kris, I worked traffic signal systems for years, we spliced conductors in
pull boxes that fill with water on a regular regular basis. There are
products available that are rated for waterproofing connections and the
THWN-2 is rated for wet locations, but I don't know about submersed
locations.

 

Max Balchowsky
Design Engineer
SEE Systems
1048 Irvine Ave Suite 217
Newport Beach, Ca. 92660
760-403-6810

 

 

  _____  

From: Allan Sindelar <allan at positiveenergysolar.com>
To: re-wrenches at lists.re-wrenches.org
Sent: Thu, June 9, 2011 6:48:32 PM
Subject: Re: [RE-wrenches] Underwater wire


Kris,
I don't know a Code-compliant solution, having not faced this. But I'll
suggest that you not attempt to glue and seal conduit to keep the conductors
dry, as it won't work permanently. Use wet-rated wire, expecting any conduit
to provide only physical protection. THWN is wet-rated - that's the W. You
might consider submersible pump cable also.
Allan

Allan Sindelar
 <mailto:Allan at positiveenergysolar.com> Allan at positiveenergysolar.com
NABCEP Certified Photovoltaic Installer
NABCEP Certified Technical Sales Professional
New Mexico EE98J Journeyman Electrician
Positive Energy, Inc.
3201 Calle Marie
Santa Fe, New Mexico 87507
505 424-1112 <tel:505%20424-1112> 
www.positiveenergysolar.com <http://www.positiveenergysolar.com/>  

 

 


On 6/9/2011 7:31 PM, Jesse Dahl wrote: 

There utility companies up here in northern MN bring power to islands all
the time. The have cable underwater. Maybe contact Minnesota Power....

Jesse

Sent from my iPhone

On Jun 9, 2011, at 3:48 PM, Nathan Jones  <mailto:solardude97 at yahoo.com>
<solardude97 at yahoo.com> wrote:


 

Kris,
We work on boat docks on army corps of engineer lakes frequently and they
have wire in direct contact with water everywhere. The lakes here are flood
control and fluctuate a lot, like 50 feet in a given year. The marinas are
dragging the feeder wires all over the place on rocky bottoms. We kill very
few people with this insane practice but as the feeder wires age I believe
the fatalities will increase. This is ground referenced service in fresh
water with poor conducting capability in the water. Very dangerous yet
allowed.


Your situation would be quite safe IMHO as there would be no stressing of
the delivery system.
Nathan Jones
Power Source Solar
417-827-0738



On Thu Jun 9th, 2011 2:30 PM CDT Kristopher Schmid wrote:

I have an installation that is a ground mount on a berm with a man-made pond
between the array and the BOS.  The pond is about 4 feet deep.  How would
you wrenches make this run? in weighted conduit with primer and glued


joints? use boring and go under? out of conduit with wire directly in the
water?

Does code have anything to say about this specifically?

Thanks as always.

-- 
Thanks,
Kris Schmid

Legacy Solar, LLC


864 Clam Falls Trail
Frederic, WI 54837
715-653-4295
www.legacysolar.com
solman at legacysolar.com

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-- 
Thanks,
Kris Schmid

Legacy Solar, LLC
864 Clam Falls Trail
Frederic, WI 54837
715-653-4295
www.legacysolar.com
solman at legacysolar.com

 

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