GFCI Breakers vs. GFCI Receptacles

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jim dungar said:
Most likely a boilerplate specification value.
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I agree but I have seen numbers that high and higher on services connected to a POCO UG grid but they are usualluy sizable services (amps) with short supply conductors.
 
Jraef said:
65kA fault current on a 208Y120 system? How big is your transformer, > 1MVA?
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augie47 said:
I agree but I have seen numbers that high and higher on services connected to a POCO UG grid but they are usualluy sizable services (amps) with short supply conductors.
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I had a recent job served by 3x 166 KVA submersible units, 1.7% imp. Do the math....
 
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