I've been using an autotransformer to give me an adjustable voltage for a hot wire cutting machine. Input is 120VAC, output is generally set to about 30-40VAC.
I've been reading that an autotransformer has safety issues especially with an open secondary.
Is a variable transformer the same animal as an autotransformer? Would a variable transformer be safer?
Thanks,
Balad
I've been reading that an autotransformer has safety issues especially with an open secondary.
Is a variable transformer the same animal as an autotransformer? Would a variable transformer be safer?
Thanks,
Balad