A rugged compact auto-transformer with a movable brush-tap which rotates to deliver any output voltage from zero to above line voltage. For operation from 110V, 50/60 Hz input. Output voltage can be varied from 0 to 140 volts; with maximum output current of 10 amps. With grounded NEMA 3-wire cord and plug, and 3 wire output receptacle, on-off switch and fuse.
