Conductor holder for fixing to pipes, e.g. with pipe clamp for HVI power Conductor installation in explosion hazardous areas Ex zone 1 (gases, vapours, mists) as well as Ex zone 21 (dusts). The special installation conditions safely prevent electric sparks to neighbouring metal parts when lightning current flows through the HVI power Conductor. Design with spacer bar distance 95 mm, for fixing on metal construction parts (e.g. facades).