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<p>Is there a NEC reference for that you know of?, as I see Romex
brought down to switches very often, and I've not found a
reference prohibiting that. As far as a ground mounted solar
system being climbed on, anything is possible, but hopefully trees
are of more interest. Thank you, Chris<br>
</p>
<div class="moz-cite-prefix">On 2/18/2025 11:38 AM, Tyrone Houck
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAEqH54mio3gHwPBAgYvZPCBFfKE_zePGzVxsUCaqSEsa56C-Pg@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<p dir="ltr">My understanding of code is that all circuits need to
be protected from physical damage. It's the same with AC
circuits in an unfinished garage..can't have exposed romex under
8' in that scenario either.</p>
<div data-smartmail="gmail_signature"><br>
</div>
<br>
<div class="gmail_quote gmail_quote_container">
<div dir="ltr" class="gmail_attr">On Tue, Feb 18, 2025, 8:34 AM
Christopher Warfel via RE-wrenches <<a
href="mailto:re-wrenches@lists.re-wrenches.org"
moz-do-not-send="true" class="moz-txt-link-freetext">re-wrenches@lists.re-wrenches.org</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<p>Well, I think if wiring of a ground mounted system looks
like a jungle gym, then something is wrong.<br>
</p>
<div>On 2/18/2025 11:32 AM, Glenn wrote:<br>
</div>
<blockquote type="cite">
<div dir="auto">
<div>Rarely are AC electrical circuits and equipment
placed adjacent to a residence in a cleared field
where there may be children thinking it looks like a
jungle gym either...</div>
<div><br>
</div>
<div data-smartmail="gmail_signature">-Glenn</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Feb 18, 2025 11:23,
Christopher Warfel via RE-wrenches <a
href="mailto:re-wrenches@lists.re-wrenches.org"
target="_blank" rel="noreferrer"
moz-do-not-send="true"><re-wrenches@lists.re-wrenches.org></a>
wrote:<br type="attribution">
<blockquote
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<p>I think the 8' rule for this is a little
bizarre. I can have ac circuits lower than 8'
all through my basement, attic and so forth, but
this barrier requirement for dc conductors that
have robust jackets and no exposed live
connections has been hard to justify.
Christopher Warfel <br>
</p>
<div>On 2/18/2025 12:25 AM, William Miller via
RE-wrenches wrote:<br>
</div>
<blockquote>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">Tyrone:</span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">You raise an
excellent point. <a
href="https://millersolar.com/MillerSolar/case_studies/18%20Wire_shielding_on_ground_mounted_PV_arrays/Wire_shielding_on_ground_mounts.html"
target="_blank" rel="noreferrer"
moz-do-not-send="true">Wire guarding is
required on ground mount arrays</a>,
although the language is vague and the
industry does not provide many hardware
solutions. Also, in our area the <a
href="https://millersolar.com/MillerSolar/case_studies/18%20Wire_shielding_on_ground_mounted_PV_arrays/SLO_County.html"
target="_blank" rel="noreferrer"
moz-do-not-send="true">enforcement</a>
of the code on this practice is
non-existent. I suspect this is true in
many regions. Improvements need to be
made.</span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">William Miller</span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d">Miller Solar</span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d">17395 Oak Road,
Atascadero, CA 93422</span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d">805-438-5600</span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d"><a
href="http://www.millersolar.com/"
target="_blank" rel="noreferrer"
moz-do-not-send="true"><span
style="color:blue">www.millersolar.com</span></a></span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d">CA Lic. 773985</span></p>
<p><span
style="font-size:11pt;font-family:'calibri','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><b><span
style="font-size:10pt;font-family:'tahoma','sans-serif'">From:</span></b><span
style="font-size:10pt;font-family:'tahoma','sans-serif'"> Tyrone Houck
[mailto:<a
href="mailto:tyronehouck@gmail.com"
target="_blank" rel="noreferrer"
moz-do-not-send="true"
class="moz-txt-link-freetext">tyronehouck@gmail.com</a>]
<br>
<b>Sent:</b> Monday, February 17, 2025
8:59 PM<br>
<b>To:</b> <a
href="mailto:william@millersolar.com"
target="_blank" rel="noreferrer"
moz-do-not-send="true"
class="moz-txt-link-freetext">william@millersolar.com</a>;
RE-wrenches<br>
<b>Subject:</b> Re: [RE-wrenches] RSS: Is
it necessary?</span></p>
<p> </p>
<div>
<div>
<p>As far as ground mounted arrays are
concerned there is one clear protection
mandated by the NEC-the requirement for
protection from physical damage for all
conductors under 8'.. although this
isn't as specific or redundant as rapid
shutdown requirements, it typically
means conduit or at least some kind of
physical barrier with the intention
often referenced as protection for
children or other unqualified personnel.
Not sure if that fits into the point you
were making but it seems worth
mentioning.</p>
</div>
<div>
<p>Sunny Regards,</p>
</div>
<div>
<p> </p>
</div>
<div>
<p>Tyrone Houck</p>
</div>
<div>
<p>Oregon Solarworks LLC </p>
</div>
<div>
<p>CCB #204937 LRT #076</p>
</div>
<div>
<p>541-787-1366 </p>
</div>
<div>
<p><a
href="mailto:tyrone@oregonsolarworks.com" target="_blank"
rel="noreferrer"
moz-do-not-send="true"
class="moz-txt-link-freetext">tyrone@oregonsolarworks.com</a></p>
</div>
<div>
<p><br>
</p>
</div>
</div>
<p> </p>
<div>
<div>
<p>On Mon, Feb 17, 2025, 8:42 PM William
Miller via RE-wrenches <<a
href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank"
rel="noreferrer"
moz-do-not-send="true"
class="moz-txt-link-freetext">re-wrenches@lists.re-wrenches.org</a>>
wrote:</p>
</div>
<blockquote
style="border:none;border-left:solid #cccccc 1pt;padding:0in 0in 0in 6pt;margin-left:4.8pt;margin-right:0in">
<div>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">Rebekah:</span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">Thank you for
your post.</span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">I have looked
at UL3741 over and over. Here is
what I have gleaned: After module
level RSS was mandated there was a
reevaluation of what voltages were
actually dangerous for
firefighters to be exposed to. It
turns out 80 VDC is not dangerous
and, given all of the
circumstances for firefighters,
exposure to voltages that are much
higher is safe enough. For some
reason I have not yet grasped, all
of the components need to be
matched and tested to achieve the
hallowed UL3741 rating.</span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">Module level
RSS would have presented a big
enough upheaval in the industry if
the equipment needed to comply was
safe and reliable. There is
evidence that in many cases it may
not be, and that amplifies the
skepticism many feel about the
current solutions, and frankly,
any future solutions.</span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">It appears the
code making panel, when writing
the original module level RSS
requirements, may have been a bit
“chicken little” about the need
for RSS. This presents a real
credibility issue for code
makers. You are seeing that
credibility problem reflected in
the discussions here on this
forum. Given the back-peddling,
how can we understand and believe
what is really necessary?</span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">Forgive me for
being skeptical, but why is it
that systems with components that
have been tested together are
demonstrably safer than any
collection of high quality
components installed carefully and
competently?</span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">In my mind
there is another disconnect here
(pun intended): I can put high
voltage, arc producing and
sustaining wiring on a residential
roof or free-standing rack and not
be required to protect that wiring
in any specific manner. If I were
to install a 240VAC, over-current
protected and de-energizeable air
conditioning feeder without
conduit, I would be red-tagged in
a hot second. It may be that
fire-fighters in protective
clothing can withstand voltage
above 80VDC, but can children not
wearing protective “turn-out”
clothing? Children mess around on
roofs and underneath ground-mount
arrays. Why is the NEC not
protecting them by mandating
specific, listed and tested wire
management and guarding systems?</span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">Thank you very
much and I look forward to your
reply.</span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">Sincerely,</span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">William Miller</span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d">Miller Solar</span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d">17395 Oak Road,
Atascadero, CA 93422</span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d">805-438-5600</span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d"><a
href="http://www.millersolar.com/" target="_blank" rel="noreferrer"
moz-do-not-send="true">www.millersolar.com</a></span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d">CA Lic. 773985</span></p>
<p><span
style="font-size:11pt;font-family:'calibri','sans-serif';color:#1f497d"> </span></p>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
<p><b><span
style="font-size:10pt;font-family:'tahoma','sans-serif'">From:</span></b><span
style="font-size:10pt;font-family:'tahoma','sans-serif'"> RE-wrenches
[mailto:<a
href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank"
rel="noreferrer"
moz-do-not-send="true"
class="moz-txt-link-freetext">re-wrenches-bounces@lists.re-wrenches.org</a>]
<b>On Behalf Of </b>Rebekah Hren
via RE-wrenches<br>
<b>Sent:</b> Monday, February 17,
2025 10:26 AM<br>
<b>To:</b> RE-wrenches<br>
<b>Cc:</b> Rebekah Hren<br>
<b>Subject:</b> Re: [RE-wrenches]
RSS: Is it necessary?</span></p>
<p> </p>
<div>
<div>
<p>I read the wrenches post
regularly, as does Brian
Mehalic. We have both been on
CMP-4 (responsible for Article
690) for the past three code
cycles. I believe a few other
CMP members probably read too.
The International Association of
Firefighters <span
style="font-family:'arial','sans-serif';color:black">("largest and most
influential labor unions in
North America"</span><span
style="font-family:'arial','sans-serif'">) is </span>represented on
CMP-4 and yes they do have had a
lot to say about this issue. </p>
</div>
<div>
<p> </p>
</div>
<div>
<p>This is definitely not the
first time we have heard that
certain RS devices are on
balance causing more trouble
than they are curing - though
on the other hand some
manufacturers have certainly
figured out how to make safe and
effective MLPE. </p>
</div>
<div>
<p><br>
I'm a big fan of UL3741, I have
been on that UL technical
committee for about 5 years, and
it is the best approach I see to
expand both off-grid and
grid-interactive solutions that
don't require MLPE for RS. SMA
for example is very present and
working hard at revisions on
that standard right now. At this
point I can't see us having any
luck in removing 690.12
requirements, except perhaps to
replace the inside the array
boundary voltage limit with only
option as 3741 listing). So
please keep asking manufacturers
(inverter/rack) to pay attention
to UL3741 and design products to
meet the standard. </p>
</div>
<div>
<p> </p>
</div>
<div>
<p>Best </p>
</div>
<div>
<p>Rebekah</p>
</div>
<div>
<div>
<div>
<div>
<p><span
style="color:#999999">Licensed
Electrical Contractor<br>
NABCEP Certified Solar
PV Installation
Professional™ 091209-85</span></p>
<div>
<p
style="margin-bottom:12pt"><span style="color:#999999">Tel: 336.266.8800</span></p>
</div>
</div>
</div>
</div>
</div>
<p> </p>
</div>
<p> </p>
<div>
<div>
<p>On Mon, Feb 17, 2025 at
10:59 AM Amos Post via
RE-wrenches <<a
href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank"
rel="noreferrer"
moz-do-not-send="true"
class="moz-txt-link-freetext">re-wrenches@lists.re-wrenches.org</a>>
wrote:</p>
</div>
<blockquote
style="border:none;border-left:solid #cccccc 1pt;padding:0in 0in 0in 6pt;margin-left:4.8pt;margin-top:5pt;margin-right:0in;margin-bottom:5pt">
<div>
<p>Seems like there has been
talk of rescinding RSD
requirements before on this
forum. It also seems that it
might gain some traction if a
dedicated group of installers
spoke up to the right people
(Code Making Panel for
instance) and put some time
into it. I agree that at the
very least we need reliable
RSD equipment, and my
preference would be less vs
more.</p>
<div>
<p> </p>
</div>
<div>
<p>Does anybody know if any
sort of RSD is being
required in Europe (not that
we follow their electrical
codes/ideas…just curious)???</p>
</div>
<div>
<p> </p>
</div>
<div>
<p> </p>
<div>
<p><img border="0"
width="113" height="59"
moz-do-not-send="true"><span
style="font-size:9pt;font-family:'helvetica','sans-serif';color:black"><br>
<br>
Amos Post<br>
Integrity Energy<br>
W 802.763.7023<br>
C 802.291.2188<br>
</span><a
href="http://www.ienergyvt.com" target="_blank" rel="noreferrer"
moz-do-not-send="true"><span
style="font-size:9pt;font-family:'helvetica','sans-serif';color:black;text-decoration:none">ienergyVT.com</span></a></p>
<div>
<p><span
style="font-size:9pt;font-family:'helvetica','sans-serif';color:black">
<a
href="https://www.facebook.com/integrityenergyllp?ref=hl"
target="_blank"
rel="noreferrer"
moz-do-not-send="true">Facebook</a></span></p>
</div>
</div>
<div>
<p
style="margin-bottom:12pt"> </p>
<div>
<p>On Feb 17, 2025, at
12:30 PM, david quattro
via RE-wrenches <<a
href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank"
rel="noreferrer"
moz-do-not-send="true"
class="moz-txt-link-freetext">re-wrenches@lists.re-wrenches.org</a>>
wrote:</p>
</div>
<p> </p>
<div>
<div>
<div>
<p>It seems anecdotal
until it happens to
you.</p>
</div>
<div>
<p> My mention of
civil disobedience
has been answered
clearly with a “No”
in this forum, and
I'm fine to hear
that.</p>
</div>
<div>
<p> I'll clarify a
few points as to why
I honestly think RSD
has been a huge and
costly mistake. I
genuinely think RSD
requirements should
be terminated
immediately. If the
technology were more
robust and if it
worked consistently
I wouldn't protest.
But <b>all</b> the
products I've tried
have been trouble.</p>
</div>
<div>
<p> William,
respectfully your
analogy to seat
belts is not an
appropriate
comparison to Rapid
Shutdown. Seat-belts
were required in all
new cars starting in
1968 because there
was statistical
evidence supporting
their tremendous
efficacy in saving
human life.
Currently seat belts
save about 15,000
lives per year.</p>
</div>
<div>
<p> Contrasting to
RSD: was implemented
because of the
following paranoid
fairytale scenario -
“A firefighter is on
a burning solar roof
in the daytime, and
wearing a metal axe
at their hip. the
poor guy/gal falls
into live solar
glass, and shatters
it. The fall is so
forceful that the
heavy-duty fireman’s
suit is punctured.
Electricity conducts
through the axe
blade, through the
suit, contacts the
skin, and a DC
circuit is completed
through their body.”</p>
</div>
<div>
<p> As far as I
know, this has never
happened once
anywhere on earth.
Let’s be honest -
this scenario has an
incredibly low
chance of ever
happening in all the
future of humanity.
So considering that
RSD has never helped
anyone yet, and
probably never
will... How many
fires can be
attributed to RSD?
How much property
damage has occurred
because of these
fires?</p>
</div>
<div>
<p> <span
style="font-family:'helveticaneue','serif';border:none 1pt;padding:0in">The
best path to
safety for
firefighters </span><span
style="font-family:'helveticaneue','serif'">is by preventing fire
disasters in the
first place.
Fires spread. Any
fire that happens
endangers property
owners, tenants,
business owners,
neighbors,
shoppers,
bystanders, nearby
forests, etc. RSD
manufacturers
aren't doing a
good job right
now, so we are
seeing low quality
unreliable
electronics on the
roof. I will stick
my neck out and
admit that
installers are not
always perfect.
Humans make
mistakes -
sometimes in
initial
construction, and
sometimes during
repair and
maintenance (i.e.
when hunting down
failed RSD's which
happens far more
than it should).</span></p>
</div>
<div>
<p><span
style="font-family:'helveticaneue','serif'"> At this time, these
devices are not
being designed to
withstand reality.
When problems
happen,
manufacturers are
quibbling. They
ignore you until
you go away, or
until you sue
them.</span></p>
</div>
<div>
<p><span
style="font-family:'helveticaneue','serif';border:none 1pt;padding:0in">
This level of
"safety" is not
important, and in
fact RSD is
causing fires
every year.</span></p>
</div>
</div>
<div>
<p> </p>
</div>
<div>
<p> </p>
</div>
<div>
<p> </p>
</div>
<div>
<p> </p>
</div>
<div>
<p> </p>
<div>
<div>
<p>On Sat, Feb 15,
2025 at 11:38 AM
William Miller
<<a
href="mailto:william@millersolar.com" target="_blank" rel="noreferrer"
moz-do-not-send="true" class="moz-txt-link-freetext">william@millersolar.com</a>>
wrote:</p>
</div>
<blockquote
style="border:none;border-left:solid #cccccc 1pt;padding:0in 0in 0in 6pt;margin-left:4.8pt;margin-top:5pt;margin-right:0in;margin-bottom:5pt">
<div>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">David, Ray:</span></p>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
</div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">I have not had
any problems
with the Tigo
RSS equipment
I have
installed and
I have had
minimal
problems with
optimizers and
micro-inverters (which are also RSS equipment). Apparently others have
had failures.
We don’t know
statically how
serious this
problem is—the
posts here are
purely
anecdotal.</span></p>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
</div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">We also have
not heard from
the other side
of the debate:
the fire
fighters. </span></p>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
</div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">Based on lack
of verifiable
information I
can not
personally
conclude that
RSS is all
problem and no
benefit.</span></p>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
</div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">To declare that
the concept is
flawed because
the equipment
available is
not reliable
is like saying
we should not
be required to
install
airbags
because a bad
batch of them
was
manufactured.
We are seeing
problems with
the equipment
needed to
implement a
safety
requirement.
That
observation
does not
logically
conclude the
safety
requirement is
not valuable.</span></p>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
</div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">I hesitate to
dismiss any
safety
requirement
out of hand.
Safety systems
are designed
to save lives
and protect
from injury,
and most of
them do. I am
glad to have
anti-lock
brakes, smoke
detectors and
air bags. I
have also
found it quite
handy to
initiate RSS
to allow me to
work more
safely on
solar
circuits.</span></p>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
</div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">Does anyone on
this
installers
forum have
contacts in
the
fire-response
community that
can comment on
the their side
of the issue?
If RSD is
really
necessary for
safety, then I
will do my
best to
install good
equipment
properly and
hold
manufacturers
accountable
for shoddy
solutions. If
RSD is not
that effective
we need to
discuss
undoing the
code
requirements.</span></p>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
</div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">Sincerely,</span></p>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
</div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d">William Miller</span></p>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
</div>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d">Miller Solar</span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d">17395 Oak Road,
Atascadero, CA
93422</span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d">805-438-5600</span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d"><a
href="http://www.millersolar.com/" target="_blank" rel="noreferrer"
moz-do-not-send="true">www.millersolar.com</a></span></p>
<p><span
style="font-family:'arial','sans-serif';color:#1f497d">CA Lic. 773985</span></p>
<div>
<p><span
style="font-size:11pt;font-family:'calibri','sans-serif';color:#1f497d"> </span></p>
</div>
<div>
<p><span
style="font-family:'verdana','sans-serif';color:#1f497d"> </span></p>
</div>
<p><b><span
style="font-size:10pt;font-family:'tahoma','sans-serif'">From:</span></b><span
style="font-size:10pt;font-family:'tahoma','sans-serif'"> RE-wrenches
[mailto:<a
href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank"
rel="noreferrer" moz-do-not-send="true" class="moz-txt-link-freetext">re-wrenches-bounces@lists.re-wrenches.org</a>]
<b>On Behalf
Of </b>david
quattro via
RE-wrenches<br>
<b>Sent:</b>
Saturday,
February 15,
2025 6:05 AM<br>
<b>To:</b>
RE-wrenches<br>
<b>Cc:</b>
david quattro<br>
<b>Subject:</b>
Re:
[RE-wrenches]
Tigo inverter
experience</span></p>
<div>
<p> </p>
</div>
<div>
<p>RSD is the
worst thing to
happen to
solar. Has
anyone
considered
civil
disobedience?</p>
</div>
<div>
<p> I
wonder what
would happen
if all the
installers
banded
together and
refused, as a
united
industry
‘brotherhood.’
WE are the
ones stuck
with the
bullshit in
the aftermath.</p>
</div>
<div>
<p> I’m
not being
snarky here ,
this a genuine
question to
the group:
Does anyone
have <u>good</u>
experience
with RSD?
i.e. you’re
really glad
RSD was there,
and you
genuinely feel
safer? you’re
glad and happy
to comply with
this code and
you look
forward to
continuing to
use RSD for
the rest of
your career?</p>
</div>
<div>
<div>
<p> </p>
</div>
</div>
<div>
<div>
<p> </p>
</div>
</div>
<div>
<div>
<p> </p>
</div>
</div>
<div>
<div>
<p> </p>
</div>
<div>
<div>
<p>On Fri, Feb
14, 2025 at
3:40 PM Ray
Walters via
RE-wrenches
<<a
href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank"
rel="noreferrer" moz-do-not-send="true" class="moz-txt-link-freetext">re-wrenches@lists.re-wrenches.org</a>>
wrote:</p>
</div>
<blockquote
style="border:none;border-left:solid 1pt;padding:0in 0in 0in 6pt;margin-left:4.8pt;margin-top:5pt;margin-right:0in;margin-bottom:5pt;border-color:rgb(204,204,204)">
<div>
<p>it seems
silly that we
are required
to install
these extra
pieces of
equipment for
added
"safety", that
are actually a
fire hazard on
the roof.
Just to survey
again: how
many homes
have been
saved by RSD?
How many fire
fighters have
actually
actuated the
RSD system, so
that they
could hack
through the
array to vent
the roof? </p>
<p>I think it
should only be
required if
you have
covered so
much of the
roof with PV,
that the fire
dept can't
access
uncovered roof
to do their
venting. The
whole premise
of RSD is
flawed. IMHO,
its just
another effort
to block the
wider adoption
of solar. </p>
<p>When it
comes to off
grid, RSD
causes such a
decrease in
reliability to
amount to a
decrease in
safety, due to
possible loss
of
communications,
water, and
heat. Add the
fire hazard
and RSD is
really not
making our
customers'
lives better.
</p>
<p>Ray Walters<br>
Remote Solar</p>
</div>
</blockquote>
</div>
</div>
</div>
</div>
</blockquote>
</div>
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<pre>--
Christopher Warfel, PE
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
(401) 447-5773</pre>
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<br>
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<pre cols="72">--
Christopher Warfel, PE
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
(401) 447-5773</pre>
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<pre class="moz-signature" cols="72">--
Christopher Warfel, PE
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
(401) 447-5773</pre>
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