wed that
>>> a metal roof may become energized during a thermal event.
>>>
>>> I suppose no less important than our RSD requirements...
>>>
>>> -Glenn
>>> Sent from my 'smart'phone, so please excuse typos and spelling errors.
>>&
become energized during a thermal event.
>>
>> I suppose no less important than our RSD requirements...
>>
>> -Glenn
>> Sent from my 'smart'phone, so please excuse typos and spelling errors.
>>
>> -- Original message--
>> *From: *Jason Szumlanski vi
pos and spelling errors.
>
> -- Original message--
> *From: *Jason Szumlanski via RE-wrenches
> *Date: *Tue, Jun 6, 2023 10:25 AM
> *To: *offgridso...@sti.net;RE-wrenches;
> *Cc: *Jason Szumlanski;
> *Subject:*Re: [RE-wrenches] Bonding Metal Roofs Part II
>
>
But isn’t the whole concept of RS to prevent the energizing of say a metal roof?The inverter sees a ground fault or ark fault. Trips off line, the RS activate and now it’s less than 80v. Isn’t that what it’s supposed to do?What is the purpose of grounding the metal roof?JayOn Jun 6, 2023, at 10:09
If I am not mistaken, this derives from some UL testing that showed that a
metal roof may become energized during a thermal event.I suppose no less
important than our RSD requirements...-GlennSent from my 'smart'phone, so
please excuse typos and spelling errors.-- Original message--From:
I'm watching this thread with interest. Is anyone aware of any serious
injury or property damage caused by an energized metal roof, and if so,
what were the circumstances? Is bonding metal roofs a solution looking for
a problem?
In response to the ground mount alternative, that isn't really an opt
Hey Adam,
Creative solution #1 Do not install solar on any roof if you can ground
mount it.
Is this He Adam or the Him Adam?
Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail offgridso...@sti.net
text 209 813 0060
On 2023-06-05 3:47 pm,
How about extending your bonding wire out to the adjacent panels in roof areas with S5 clamps and attaching a ground lug to each instead of an L foot? I know it sounds a bit ridiculous, but an inexpensive and easy solution?Michael D NelsonMD Electric & Solar, Inc.707-684-0064 mobile707-884-1862 off
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