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<DIV>Jason is the only one that's mentioned brands of zip ties. Holy
Smokes all the conversation seems be discussing black plastic zip ties like they
are all the same. I found some T & B black zip ties (Grainger, I
think) that make the ones in Home Despot look like skinny tissue
paper. If you look for "Heavy Duty", you can choose from tensile
strengths, widths, thickness, UV resistance, temperature, made in USA (or
not).... just a thought.</DIV>
<DIV> </DIV>
<DIV>Bill</DIV>
<DIV> </DIV>
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<BLOCKQUOTE
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=ray@solarray.com href="mailto:ray@solarray.com">Ray Walters</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=re-wrenches@lists.re-wrenches.org
href="mailto:re-wrenches@lists.re-wrenches.org">RE-wrenches</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, April 25, 2013 12:23
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [RE-wrenches] Stainless
Steel Cable Ties</DIV>
<DIV><BR></DIV>
<DIV class=moz-cite-prefix>Terrible. I've got a file of pics like that, and
the wires can grab hold of something while the tracker rotates, and rip a j
box right off the back of the module. <BR>Around here, the white zip ties
don't even last long enough just sitting in the truck to install without
breaking. <BR><BR><PRE class=moz-signature cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760</PRE>On 4/25/2013 11:19 AM, August Goers wrote:<BR></DIV>
<BLOCKQUOTE cite=mid:ac79c26849102bd45ad10f00f0587d83@mail.gmail.com
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<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Ray,</SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Your
points all seem good. And I echo the other comments that white non-UV zip
ties should never be used. I bumped into a tracker installation a few weeks
ago out in the Fresno area with very poor wire management! See attached pic
- I have no idea who installed the system or when. It looks like the wire
management was never any good in the first place although if you zoom in
you'll see traces of a few white zip ties here and there that seem to be
falling apart. </SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">We've
managed to get our rooftop installations to be completely managed with
stainless s-clips and then maybe just a couple black plastic zip ties in
critical locations. So far so good. A lot of it just goes back to good
craftsmanship and running the PV wire in strategic locations so it's mostly
supported by channel or rail. A tracking system is a completely different
story where the wires will be moving as the system tracks. Plastic zip ties
clearly don't seem like a good idea for tracking applications.</SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Best,</SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">August</SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<DIV>
<DIV
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; PADDING-TOP: 3pt; BORDER-BOTTOM: medium none">
<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 'Tahoma','sans-serif'">From:</SPAN></B><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 'Tahoma','sans-serif'">
<A href="mailto:re-wrenches-bounces@lists.re-wrenches.org"
moz-do-not-send="true">re-wrenches-bounces@lists.re-wrenches.org</A>
[mailto:<A href="mailto:re-wrenches-bounces@lists.re-wrenches.org"
moz-do-not-send="true">re-wrenches-bounces@lists.re-wrenches.org</A>] <B>On
Behalf Of </B>Ray Walters<BR><B>Sent:</B> Thursday, April 25, 2013 9:30
AM<BR><B>To:</B> Solar Energy Solutions; RE-wrenches<BR><B>Subject:</B> Re:
[RE-wrenches] Stainless Steel Cable Ties</SPAN></P></DIV></DIV>
<P class=MsoNormal> </P>
<DIV>
<P class=MsoNormal>Black UV resistant ties only last a few years at altitude
in New Mexico and Colorado. UV is brutal, and causes PVC conduit to
discolor within 2 years. The zips will actually hold for 10+ years,
but aren't really strong. I've come back on my own work, and just
yanked on them, and popped them right off.<BR>They just get very brittle. If
on a tracker that is constantly pulling on them, they'll be trash on the
ground after less than 5 years. I use wire loom clamps with rubber
insulators in those cases, and then the zip ties just hold the bundle of
wires together, but aren't actually securing the wire to the structure.<BR>I
looked into this recently for a large PV installation company and I found
that Nylon 6.6 is probably the best, but the specified design life of the
zip when exposed to UV was 6 to 10 years. We found a nylon zip rated
to over 15 years, but it was special order and cost something like $2/ ea
(cough, cough)<BR>I like the idea of SS ties, but they are not the same as
the SS clips as mentioned. The clips have curved edges that
won't cut into the cables. USE wire actually is pretty easy to cut
into, and I've seen a few shorts due to metal cutting into it. ( module
edges, romex type connectors, etc) I would wrap the wire with a thick
electrical tape before zip tieing with SS ties. There is a heavy mil pipe
wrap tape (UV and underground rated) that plumbers use on gas lines.
<BR><BR></P><PRE>R.Ray Walters</PRE><PRE>CTO, Solarray, Inc</PRE><PRE>Nabcep Certified PV Installer, </PRE><PRE>Licensed Master Electrician</PRE><PRE>Solar Design Engineer</PRE><PRE>303 505-8760</PRE>
<P class=MsoNormal>On 4/25/2013 9:48 AM, Solar Energy Solutions
wrote:</P></DIV>
<BLOCKQUOTE style="MARGIN-TOP: 5pt; MARGIN-BOTTOM: 5pt">
<DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">We have used black cable ties
since 1987 to strap sensor wire to PVC pipe for our solar pool heating
systems. I was just at a system we installed in 1989 mounted on an
East facing roof yesterday. The exposed 20g sensor wire still had
intact and plyable sheilding and the black cable ties still firmly
attached and not brittle. We have other similiar scenes with systems
mounted on South facing roof were the black cable ties are still in tact
under full solar exposure... for Portland Oregon. Yanking on some of
these cable ties sometimes break the ancient tie. But, more often
than not, as yesterday, we have to break out our wire cutters to
accomplish this task.</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">Thus, I gotta think that black
cable ties under a PV array which are not exposed to any of the heat or
sun we usually subject them to... are going to last an even
longer time. </SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><B><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">Andrew
Koyaanisqatsi</SPAN></B><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'"></SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">President</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><B><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">Solar Energy Solutions,
Inc.</SPAN></B><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'"></SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">Since 1987,</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">Moving Portland and Beyond
</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">to an Environmentally
Sustainable Future.</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><B><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'">503-238-4502</SPAN></B><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'"></SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><B><SPAN
style="FONT-FAMILY: 'System','sans-serif'"><A
href="http://www.solarenergyoregon.com/" target=_blank
moz-do-not-send="true">http://www.solarenergyoregon.com/</A>
</SPAN></B><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'"></SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><B><SPAN
style="FONT-FAMILY: 'Comic Sans MS'">"Better one's House too little one
day</SPAN></B><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'"></SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><B><SPAN
style="FONT-FAMILY: 'Comic Sans MS'">than too big all the Year
after."</SPAN></B><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'"></SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'"> </SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'"></SPAN> </P></DIV>
<DIV>
<DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">From:</SPAN></B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'"> Chris Mason <A
href="mailto:cometenergysystems@gmail.com"
moz-do-not-send="true"><cometenergysystems@gmail.com></A><BR><B>To:</B>
RE-wrenches <A href="mailto:re-wrenches@lists.re-wrenches.org"
moz-do-not-send="true"><re-wrenches@lists.re-wrenches.org></A>
<BR><B>Sent:</B> Thursday, April 25, 2013 8:12 AM<BR><B>Subject:</B> Re:
[RE-wrenches] Stainless Steel Cable Ties</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><BR><BR></P>
<DIV id=yiv2031156226>
<DIV>
<P class=MsoNormal style="BACKGROUND: white">Make sure you use black cable
ties, the white ones fail in UV from sunlight.</P></DIV>
<DIV>
<P class=MsoNormal
style="BACKGROUND: white; MARGIN-BOTTOM: 12pt"> </P>
<DIV>
<P class=MsoNormal style="BACKGROUND: white">On Thu, Apr 25, 2013 at 11:06
AM, August Goers <<A href="mailto:august@luminalt.com" target=_blank
moz-do-not-send="true">august@luminalt.com</A>> wrote:<BR><BR></P>
<DIV>
<DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">I too share the concern about
standard plastic zip ties. However, I started in the industry in 1997 and
have yet to see zip ties that are falling apart. Does anyone on the list
have firsthand experience with failed plastic zip ties?</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">Best,</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">August</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">August Goers</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">Luminalt Energy
Corporation</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">1320 Potrero
Avenue</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">San Francisco, CA
94110</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">m: <SPAN
class=MsoHyperlink>415.559.1525</SPAN></SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">o: <SPAN
class=MsoHyperlink>415.641.4000</SPAN></SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d"><A
href="mailto:august@luminalt.com" target=_blank
moz-do-not-send="true">august@luminalt.com</A></SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d"></SPAN> </P></DIV>
<DIV>
<DIV
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; PADDING-TOP: 3pt; BORDER-BOTTOM: medium none">
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><B><SPAN
style="FONT-SIZE: 10pt">From:</SPAN></B><SPAN style="FONT-SIZE: 10pt"> <A
href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target=_blank
moz-do-not-send="true">re-wrenches-bounces@lists.re-wrenches.org</A>
[mailto:<A href="mailto:re-wrenches-bounces@lists.re-wrenches.org"
target=_blank
moz-do-not-send="true">re-wrenches-bounces@lists.re-wrenches.org</A>]
<B>On Behalf Of </B>Solarguy</SPAN></P></DIV>
<DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><BR><B>Sent:</B> Thursday,
April 25, 2013 7:08 AM<BR><B>To:</B> 'RE-wrenches'<BR><B>Subject:</B> Re:
[RE-wrenches] Stainless Steel Cable Ties</P></DIV></DIV></DIV></DIV>
<DIV>
<DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 14pt; COLOR: #1f497d">We have used 8” flat SS ties
for years and I have no concern about the wear on the conductor
insulation. They are long enough to circle a standard Unirac rail and
several wires leaving 1” or so tag end. Needle nose pliers work to twist
the end and snug down the tie as tight as you’re comfortable with. The
metal tie, once bent around the corners cannot stretch any tighter, unlike
nylon, regardless of how tightly you twist the pliers. As for the edges,
quality ties are not sharp. Or cheap.</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">Jim Duncan</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">North Texas Renewable Energy
Inc</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d"><A href="http://www.ntrei.com/"
target=_blank moz-do-not-send="true">http://www.ntrei.com/</A>
</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">NABCEP PV
031310-57</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d">TECL-27398</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d"><A href="mailto:ntrei@1scom.net"
target=_blank moz-do-not-send="true">ntrei@1scom.net</A> </SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d"><SPAN
class=MsoHyperlink>817.917.0527</SPAN></SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 26pt; COLOR: #1f497d"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 14pt; COLOR: #1f497d"></SPAN> </P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><B><SPAN
style="FONT-SIZE: 14pt">From:</SPAN></B><SPAN style="FONT-SIZE: 14pt"> <A
href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target=_blank
moz-do-not-send="true">re-wrenches-bounces@lists.re-wrenches.org</A> [<A
href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target=_blank
moz-do-not-send="true">mailto:re-wrenches-bounces@lists.re-wrenches.org</A>]
<B>On Behalf Of </B>Jason Szumlanski<BR><B>Sent:</B> Thursday, April 25,
2013 8:08 AM<BR><B>To:</B> RE-wrenches</SPAN><SPAN
style="FONT-SIZE: 10pt"><BR><B>Subject:</B> Re: [RE-wrenches] Stainless
Steel Cable Ties</SPAN></P></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"> </P></DIV>
<DIV>
<DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white">There was a recent thread
about wire management. Heyco SunBundler ties have a vinyl coating. I
recommended the clips from PV Racking that are stainless steel coated in
rubber. I've had the same concern, and both of these seem like good
solutions to me.</P></DIV></DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"> </P></DIV>
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<P class=MsoNormal style="BACKGROUND: white"><B><SPAN
style="FONT-SIZE: 10pt; COLOR: gray">Jason Szumlanski</SPAN></B><I><SPAN
style="FONT-SIZE: 10pt; COLOR: gray"> </SPAN></I></P></DIV>
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<P class=MsoNormal style="BACKGROUND: white"><I><SPAN
style="FONT-SIZE: 10pt; COLOR: gray">Fafco Solar</SPAN></I><SPAN
style="FONT-SIZE: 8pt; COLOR: gray"> </SPAN></P></DIV></DIV></DIV></DIV></DIV>
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<P class=MsoNormal style="BACKGROUND: white"> </P></DIV>
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<DIV>
<P class=MsoNormal style="BACKGROUND: white">On Thu, Apr 25, 2013 at 1:20
AM, Benn Kilburn - DayStar Renewable Energy <<A
href="mailto:benn@daystarsolar.ca" target=_blank
moz-do-not-send="true">benn@daystarsolar.ca</A>> wrote:</P></DIV>
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<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt">Wrenches,</SPAN></P></DIV></DIV></DIV></DIV>
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<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt">I searched the archives, but came up with
nothing on this….</SPAN></P></DIV></DIV>
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<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt"></SPAN> </P></DIV></DIV>
<DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt">I have found a good supplier for reasonably
priced stainless steel cable ties and have been using them in place of
black nylon cable ties for supporting cables, PV wires and micro-inverter
wires to the mounting rails and such. I feel better knowing the
wires under the array are supported this way rather than with
plastic/nylon cable ties, for which I tried but cannot get a manufacturer
to guarantee will last 20+yrs.</SPAN></P></DIV></DIV>
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<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt"></SPAN> </P></DIV></DIV>
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<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt">A colleague is questioning this method (SS ties)
with the concern that over time the (albeit small) movement in the wires
and/or expansion/contraction of the rails could result in the stainless
steel cable ties cutting thru the wire's insulation and
then…..</SPAN></P></DIV></DIV>
<DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt">I have heard this concern before from others as
well.</SPAN></P></DIV></DIV>
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<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt"></SPAN> </P></DIV></DIV>
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<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt">The way I see it is that the very popular
stainless steel "S" cable clips that hold wires to module frames have
comparable equal sharp edges as well and would pose the same risk, but
there doesn't seem to be any concern there.</SPAN></P></DIV></DIV>
<DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt"></SPAN> </P></DIV></DIV>
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<DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt">I am wondering who else is using SS ties in
place of nylon ones, and if you are taking additional steps to protect the
wire's insulation from the SS ties?</SPAN></P></DIV></DIV></DIV>
<DIV>
<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt">Common sense abides, meaning don't wrap a wire
around the SS ties so that the wire has tension on the sharp edge of the
tie. Flat edge contact with the wire only, the same way that you
wouldn't run a wire across/around a sharp cut edge of a rail or anything
else.</SPAN></P></DIV></DIV>
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<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt"></SPAN> </P></DIV></DIV>
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<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt">Thanks,</SPAN></P></DIV></DIV>
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<DIV>
<P class=MsoNormal style="BACKGROUND: white"><SPAN
style="FONT-SIZE: 10.5pt">benn</SPAN></P></DIV></DIV></DIV>
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<P class=MsoNormal style="BACKGROUND: white">-- <BR>Chris Mason </P>
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<P class=MsoNormal style="BACKGROUND: white">President, Comet Systems
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