DC Side Surge Protection NEC requirements

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Originally we designed a projects with an engineer during an RFP stage as follows:
5-28-2013 4-00-29 PM.jpg

The final outcome was redesigned from a different engineering group came out as:


5-28-2013 3-57-31 PM.jpg



The project had been signed off by (2) customer engineers, and inspectors and was doing fine until we had lightning damage.
We are trying to mitigate the damage.

Question is does the NEC require SPD on the DC side?
Does the ground rod per array meet some level of lightning protection?
Would "errors and omissions insurance" cover this for the engineer that made the change? :?
 

GoldDigger

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Location
Placerville, CA, USA
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Retired PV System Designer
... was doing fine until we had lightning damage.
We are trying to mitigate the damage.

It seems to me that it is too late to mitigate the damage so people are trying to litigate it instead.

Remember the T&C that opinions on this forum are not intended/allowed to be used in court. :)
 
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