Select options Replacement cables for Electrodes 17,90 € incl. 19% tax The electrode cables are designed to connect the electrodes to the distributor of the SPEEDtrainer. At one end, the cable is equipped with a coloured 6.3 mm jack plug. Its colour is identical to the corresponding socket at the distributor. At the other end, there are two screw threads to connect to the corresponding ports of the electrodes. One set of cables consist of six cables of different lengths, which are individually colour-coded.