Combination Arc Fault Circuit Interrupters
Application Guidelines
Applying 1-pole Combination AFCIs to Shared Neutral Circuits

Until now, using a shared neutral (multiwire branch circuits) on arc fault protection circuits required the use of 2-pole AFCI breakers, since the AFCI circuitry uses a ground fault CT to help it detect arcs. But with GE’s newly developed combination AFCI technology, no ground fault CT is required, so shared neutral circuits can be used with two 1-pole AFCIs connected together with a handle tie.

Click here to view this Electrical Distribution publication from GE which explains these application guidelines and provides example diagrams.

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