An electromagnetic coil device includes a non-ferrous core having a substantially cylindrical shape and an insulated conductive medium such as piano wire arranged as a plurality of windings coiled around the non-ferrous core. The insulated conductive medium includes a conductive medium encased within an insulating medium. The plurality of windings include a first portion of windings and a second portion of windings separated by a third portion of windings. The insulating medium has at least one breakdown characteristic that permits shorting between individual conductors of the conductive medium in the first and second portions of windings thereby creating a first conductor region and a second conductor region electrically separated by the third portion of windings.
