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- Western Iowa
I have a 20A GFCI outlet that I want to wire a timer to that will control a ceiling exhaust fan. However the timer I have requires connection to a 3 wire (B,W,R-G) box, but the GFCI outlet is only powered by 2 wire (B,W-G); it also services three other outlets. So my question is can I wire the 3-wire timer to a GFCI outlet that is only powered by 2-wire? I've attached a diagram of the timer's wiring configuration.