+ . The 20 amp rating allows for the use of 12 gauge copper wire and outlets with 15 amp (parallel) and 20 amp (1 vertical and 1 T-shaped) slots. It fits into the Cutler-Hammer control panel for which it was designed. Attractive black body with all major electrical certifications clearly marked. The lever is conveniently marked with a 20 amp rating. The industrial brown hue used for the lever does not blend well with modern decor. So if the paint causes problems, keep the door closed…