PV SUB STRING RSB

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wkburkert

New User
Location
Cary, NC
Imagine a PV string that resides on two different roofs, same pitch, same azimuth - half of the array on one roof and the other half one another roof. The PV wiring must go through the roof because no conduit can be used on the roof. The PV wiring is 11 feet inside the attic to connect the two strings halves together. Does these pv system conductors need rapid shutdown?
 

GoldDigger

Moderator
Staff member
Location
Placerville, CA, USA
Occupation
Retired PV System Designer
Following the letter of the Code, I think it is unavoidable.
Also note that DC wiring without an outside disconnect will have to run in conduit for protection.

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