Can any appliance be turned into a net appliance?

There's one in my fridge to hold the door closed.

Creating any circuit will result in a flow of current, however, if the load is an inductive load, like a transformer, motor, etc., then a higher current will flow initially as the magnetic field...

If you are talking about the gauge of the wires, then no. Larger guage wires( numerically lower) will pass current required for the appliance with lower losses, so it is better in that reguard Less...

appliance (a durable item of electrical equipment for home or office use)

There may be a few stores that have a repair section at the back. However, you need to make sure whether the repairmen are qualified to carry out the repair work of your particular model, because...