afci requirement on service upgrade

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It depends on the AHJ. Here in Colorado, 2 municipalities in the state don't adhere to the 6' exception and require AFCI protection on all panel changes regardless of movement or changes of ampacity.

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It depends on the AHJ. Here in Colorado, 2 municipalities in the state don't adhere to the 6' exception and require AFCI protection on all panel changes regardless of movement or changes of ampacity.

Sent from my SM-G935V using Tapatalk

Which two, and have you looked up their amendments?
 
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