Unbranded Variac (Auto transformer)
Output 0-130vAC At a maximum of 10 amps
Has built in amp meter.
Unbranded 10 amp Veriacs with amp meter in front. Takes 120vAC in and goes from 0-130VAC for slowly powering up
Certain things that shouldn't have current suddenly dumped into it all at once. (older radios and hardware)
Comes unbranded box.
There's a few use cases for a Variac like;
Testing a repaired electronic device.
Powering up an old radio or amplifier.
Roasting coffee beans or nuts.
Adjusting the temperature of a resistance-type heater.
Hot-wire cutting of Styrofoam.
Dimming incandescent lighting. ( Does not work on LED/Flourescent lighting)
Changing AC fan speed over a narrow range.