Operators of facilities with potentially explosive atmospheres are obligated to specify these facilities/structures according to the different hazardous areas. For these facilities lightning has to be considered as potential source of ignition. National regulations on health and safety at work require a documentation of the protection against explosion, with a specification of the particular hazardous areas.

HVI Conductor for 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 Conductor.