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Steveo57 · 01-16-2021, 08:48 PM

Cavie is right. The neutrals are combined in that plug and the GFCI outlet needs to see the same current going out of the 20 amp outlet as what comes back on the neutral to the 20 amp outlet. Since the neutrals are combined the current will not be the same and the GFCI outlet will trip.

01-16-2021, 08:48 PM	#21
Steveo57 Senior Member Join Date: Dec 2017 Location: Lisbon Posts: 551	Cavie is right. The neutrals are combined in that plug and the GFCI outlet needs to see the same current going out of the 20 amp outlet as what comes back on the neutral to the 20 amp outlet. Since the neutrals are combined the current will not be the same and the GFCI outlet will trip. __________________ 2018 Keystone Cougar 22RBS 2020 Ford F-350 XLT SC SRW 6.7l Powerstroke.