Construction:

OCC copper conductor, 9.5 AWG; copper cores with a cross-section of 6 mm², double insulated;
double cotton sheath; Cu/Sn shielding; mechanical outer jacket; cable terminations made of Cu/Au;
connector housings composed of Ni, Mg, Al, Fe, Mo, C, Si, N;
input connectors made of copper and output connectors made of copper, both rhodium-plated.