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Where does the 2011 NEC require AFCI protection in an existing Residence that has had a Service Upgrade?
I would have to agree with Speedy. If your being told that afci is required due to a service upgrade I would contact your building codes department and ask for clarification and they will be able to tell you if there is a local requirement to install afci in your situation.Where does the 2011 NEC require AFCI protection in an existing Residence that has had a Service Upgrade?