ECN Forum Forums General Topics of the Trade General Discussion Area 15Amp GFCI on 20Amp Circuit?

T-slots can be used for 15 or 20amp appliances- they are not rated for 15 or 20 amp.
What I'm saying is you can't use the t-slot on a 15 amp circuit and you can't use a 15amp GFI on a 20amp circuit.