The IsoTek EVO3 Optimum is an extremely sophisticated, excellent power cable. The three parallel and slightly twisted conductors are made of 3.0 mm² thick square and silver-plated OCC (Ohno continuous casting) copper strands. OCC is an extremely pure material that offers exceptional electrical conductivity, very good flexibility and protection against material fatigue and corrosion.

A dielectric made of Teflon FEP guarantees very even insulation over a wide frequency range. The slight twisting of the conductors, together with the surrounding Mylar foil and a grounded OFC braid, enables highly effective shielding against high-frequency and electromagnetic interference. A cotton insert provides more stability and reduces microphonic effects. An outer jacket made of PVC guarantees the best flexibility and stability.