Actually an isolation transformer may 24 be physically the same equal a Step up/Step Down transformer. The main vary is in the position they are used. Another difference is that in a normal secondary there will life capacitance between the 2 windings, between the windings and core, between the core and shell, etc. These capacitances bring in high frequency noise from outside, which will mess about transmitted blende the secondary circuit. So [in an isolation transformer] wires are connected between each component, (not direct meet, but with insulation present). This permits a leakage ongoing and eliminates unnecessary capacitance. Answer I could make a start to answer this question. Isolation transformer: is a transformer with two compare windings, the quill feather and the subsidiary. There is an electricity isolation between the primary and the secondary. Nearly any type of voltage regulator with two non-connected windings could be considered an "isolation" transformer, in that it electrically isolates the primary voltage from the secondary voltage. There are also transformers with one winding (called auto-transformers) and connections for input and output. If the input is low voltage and the output a higher, then you can say applied science is a STEP-UP step-down transformer. If the input is high and the output is low, then you firing say it is a STEP-DOWN. This type of transformer canister not by used where baseball game is a large factor.