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Glen,<br>
<br>
It's a little interesting to contrast: 300.5 Underground Installations.
Shall be considered wet locations.
Conductors shall be listed for wet locations. Connections shall be
approved for wet locations. Where the code is quite direct about the
requirement for connections. I'm paraphrasing the code text, but you
have a copy to refer to.<br>
<br>
With: 300.9 Raceways in Wet Locations Abovegrade. The interior of these
raceways shall be considered to be a wet location. Conductors shall
comply with 310.10(C) which says they have to be a type listed for wet
locations. Which doesn't directly say anything about connectors.<br>
<br>
A NEMA 4 junction box on the roof is part of the raceway in a wet
location above
grade so its interior is a wet location. You cannot consider it a dry
location.
Inspectors here have required splices/connectors rated for wet
locations. That doesn't follow from directly 300.9 but rather from
110.3 (B) that requires equipment to be installed in accordance with
its listing. <br>
<br>
Kent Osterberg<br>
Blue Mountain Solar<br>
<br>
<br>
<br>
Glenn Burt wrote:
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<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">Kent,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">Can you
direct me to a code citation that says that splices made inside a NEMA
4 rated enclosure must be suitable for the location of the enclosure,
and not the protection level afforded by the enclosure?<br>
<br>
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">I have
had this discussion and lean toward the other side that splices made in
the enclosure need only be rated to the protection rating of the
enclosure, as long as all conduits are properly terminated with
fittings that meet the minimum rating of the enclosure.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">Glenn Burt<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span
style="font-size: 10pt; font-family: "Tahoma","sans-serif"; color: windowtext;">From:</span></b><span
style="font-size: 10pt; font-family: "Tahoma","sans-serif"; color: windowtext;">
<a class="moz-txt-link-abbreviated" href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>
[<a class="moz-txt-link-freetext" href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Kent
Osterberg<br>
<b>Sent:</b> Thursday, October 20, 2011 12:30 PM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> Re: [RE-wrenches] Push-in Wire Connectors<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Jason,<br>
<br>
The roof is a wet location so connectors rated for wet locations are
required. The NEMA 4 rating of the junction box doesn't change matters.<br>
<br>
Kent Osteberg<br>
Blue Mountain Solar<br>
<br>
<br>
<br>
Jason Szumlanski wrote: <o:p></o:p></p>
<p class="MsoNormal">Anyone see a problem using Ideal In-Sure Push-In
Wire Connectors in a NEMA 4 roof mounted PVC junction box?
Specifically, Ideal Model 39 for splicing #10 AWG.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">They are 105C, 600V rated, but not rated for wet
locations. I’ve had inspectors require wet location rated twist-on wire
connectors before in these boxes. I foresee an issue…<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Unfortunately, these connectors were not
addressed in John Wiles code corner Making Connections article in 2003.
May be time for an update!<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-size: 12pt;">Jason Szumlanski</span><o:p></o:p></p>
<p class="MsoNormal">Fafco Solar<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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