Is intended to identify sources of overvoltage hazards (including lightning) to define the types of protection such as grounding, shielding, stroke interception and protective devices.
IEC 61173:1992 history
1992IEC 61173:1992 Overvoltage protection for photovoltaic (PV) power generating systems; guide
IEC 61173:1992 Overvoltage protection for photovoltaic (PV) power generating systems; guide was changed to IEC 60364-7-712:2002 Electrical installations of buildings - Part 7-712: Requirements for special installations or locations; Solar photovoltaic (PV) power supply systems.