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Transformer OCPD

G

ggunn

PE (Electrical), NABCEP certified
Location
Austin, TX, USA
Occupation
Consulting Electrical Engineer - Photovoltaic Systems
There is language in the NEC somewhere that talks about inverters through a transformer that exempts the circuit from OCPD or maybe a disconnect where the source is current limited to less than the transformer rating, but I haven't looked at it a while and I can't find it. Anybody?
 
G

ggunn

PE (Electrical), NABCEP certified
Location
Austin, TX, USA
Occupation
Consulting Electrical Engineer - Photovoltaic Systems
ggunn said:
There is language in the NEC somewhere that talks about inverters through a transformer that exempts the circuit from OCPD or maybe a disconnect where the source is current limited to less than the transformer rating, but I haven't looked at it a while and I can't find it. Anybody?
Click to expand...
Never mind; found it.

The exception to 690.9(D)
 
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