Connecting brace for installing the HVI Conductor with conductor holders and spacer sleeve (distance 70 mm) or the HVI power Conductor with conductor holders and spacer sleeve (distance 85 mm) on a non-conductive structure, e.g. stone or wood. For installing the HVI Conductor or HVI power Conductor in explosion hazardous areas Ex zone 1 and 2 (gases, vapours, mists) as well as Ex zone 21 and 22 (dusts). Type StSt, length 500 mm.