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<p>I'd say you have it covered. Chris</p>
<div class="moz-cite-prefix">On 3/6/2026 10:29 PM, scot.arey--- via
RE-wrenches wrote:<br>
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Read and reply only if you want to stick it to an inspector 🙂</div>
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System is 19 modules with Enphase IQ8: NM through attic and he
insists it must be guarded or in conduit. His comment back to me
on why he failed the inspection and I tried to tell him that the
IQ8 output is not a PV source circuit.</div>
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<span
style="font-family: Aptos, sans-serif; font-size: 12pt; color: rgb(36, 36, 36);"><i>Good
afternoon, I have just read your email and would like to
inform you that your code reference is spot on. 690.6 A PV
</i></span><span
style="font-family: Aptos, sans-serif; font-size: 12pt; color: rgb(36, 36, 36); background-color: yellow;"><i>Source</i></span><span
style="font-family: Aptos, sans-serif; font-size: 12pt; color: rgb(36, 36, 36);"><i> Circuit
refers to a NRTL Listed assembly and is exclusive to the
wiring from the Panel to the Microinverter, it as a listed
assembly is not subject to the DC rules of 690.. 690.6 b
refers to the Inverter Output Circuit and is not exempt from
the rules of 690.7 Circuit Requirements, Specifically D
which states, “Circuits over 150 volts to ground. In one and
two family dwellings, live parts in PV source circuits and
PV output circuits over 150 volts to ground Shall Not be
accessible to other than qualified persons while energized.
The commentary for this code states, Conduit, closed
cabinets, or enclosures that require tools to open them are
means of limiting access to qualified persons only. These
circuits are production and not utilization circuits and
therefore must be protected from physical damage and errant
tampering. As was noted at Plan Review</i></span></p>
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<span
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<i><br>
</i></div>
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My proposed response:</div>
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I have read your reply and believe you have mis-cited code
references. You wrote:</div>
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<i>"690.6 b refers to the Inverter Output Circuit and is not
exempt from the rules of 690.7 Circuit Requirements,
Specifically D which states, “Circuits over 150 volts to
ground. In one and two family dwellings, live parts in PV
source circuits and PV output circuits over 150 volts to
ground Shall Not be accessible to other than qualified persons
while energized."</i></div>
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<i><br>
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690.6b is here.</div>
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<img size="136049"
style="height: auto; max-width: 572px; min-width: auto; min-height: auto; margin: 0px;"
id="x_image_0" data-outlook-trace="F:1|T:1"
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690.7 (D) does not reference "circuits over 150-volts..." but is
pasted here. This is a reference to marking of direct current
(DC) PV circuits. This does not apply because the inverter
output circuit is not a "DC PV Circuit."</div>
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style="height: auto; max-width: 572px; min-width: auto; min-height: auto; margin: 0px;"
data-outlook-trace="F:1|T:1"
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The section that almost refers to "<i>PV output circuits over
150 volts to ground Shall Not be accessible"
</i>is not in NEC 2023 which is what Temple uses. I have pasted
the 2020 language, which is not the language you cite to me, and
even that is referring to "PV source and output" circuits and
the NEC 2020 definition of "PV source and output" deals with
DC. I have pasted and highlighted that definition below.</div>
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<img size="470202"
style="height: auto; max-width: 572px; min-width: auto; min-height: auto; margin: 0px;"
data-outlook-trace="F:1|T:1"
src="cid:part3.JK8DdTy6.8hPbROgZ@entech-engineering.com"
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<img size="46022"
style="height: auto; max-width: 572px; min-width: auto; min-height: auto; margin: 0px;"
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<img size="193618"
style="height: auto; max-width: 572px; min-width: auto; min-height: auto; margin: 0px;"
data-outlook-trace="F:1|T:1"
src="cid:part5.Q1J9iTbD.tYh676L0@entech-engineering.com"
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So we are left with the fact that an inverter output circuit is
alternating current, as defined under NEC 2023. Definition in
Section 100:</div>
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<img size="414241"
style="height: auto; max-width: 572px; min-width: auto; min-height: auto; margin: 0px;"
data-outlook-trace="F:1|T:1"
src="cid:part6.7wcal1mE.2PlHIHDN@entech-engineering.com"
class=""></div>
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<span
style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: black;">We
are left with Chapter 3 wiring to address this AC circuit.
There is no NEC 2023 reference to "</span><span
style="font-family: Aptos, sans-serif; font-size: 12pt; color: black;">These
circuits are production and not utilization circuits and
therefore must be protected from physical damage and errant
tampering." Simply not in code.</span></p>
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If you insist I put the AC wire in conduit, please tell me the
requirement. If it's "I just want it in conduit" then just ell
me that. But there is little to justify it in NEC 2023.</div>
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<span
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<div class="elementToProof" id="Signature">
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<b>Howard "Scot" Arey</b></div>
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<b>Owner, Solar CenTex</b></div>
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NABCEP PV Installation Professional</div>
<div
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TECL 29755</div>
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254-300-1228 </div>
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style="width: 105px; height: 105px; max-width: 722px; min-width: auto; min-height: auto; margin: 0px;"
height="105" width="105" id="x_image_0"
data-outlook-trace="F:2|T:2"
src="cid:part7.MxEOpegH.v0iyyvdA@entech-engineering.com"
class=""></div>
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