5-20

  1. darco

    UMC 5-20 trips GFCI, 5-15 works great

    Hello everyone, I've been charging my Model 3 at home using the Tesla 2nd Gen UMC with the 5-15 adapter. It has been (slowly) working great so far. The outlet and circuit are 20-amp with a 20-amp GFCI, so I bought a 5-20 adapter to get a (slightly) faster charge. This same GFCI outlet works...