What is the gauge of the white panel neutral wire on QO/QOB and Homeline GFI breakers ?

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Product Line:
Circuit Breakers
QO-GFI and QOB-GFI

Resolution:
Wire sizes are below:

15A to 20A: #12 AWG wire
25A to 30A: #10 AWG wire
40A to 50A: #8 AWG wire

NOTE:
The wire size is marked on the wire connected to the ground fault breaker.

The wire has to match the load wire size.

You can order special length wires for GFI breakers by using suffix 5224 and stating the length of the wire on the order.