Illuminates when switch is in the "on" position. Ratings: SPST 16 Amp @ 125-250 VAC, 3/4 H.P. @ 125-250 VAC, 10 Amp @ 14V, 3 Amp @ 125V. UL/CSA approved. Cutout:.67" x.50". Outside: 1.285" x.830"