Acme appliance transformers are autotransformers; meaning the input (primary) winding is in electrical series connection with the output (secondary) winding
Constructed of core lamination processed from annealed electrical grade silicon steel
Will not cause harmonic distortion to voltage or current wave shape
Equipped with a SAFETY grounding feature on both the input and output side
Grounding connection maybe made through lead wires or through plug and receptacle combinations where installed
All units are manufactured and tested in accordance with NEMA standards