This standard focuses on the safety design of the electrical systems of residential solar power generation systems that are connected to the grid (including systems that can temporarily operate independently during power outages, etc.) with a rated system output of less than 20kW. In addition, safety conditions necessary for each component equipment, their installation, connection wiring, etc. are specified.
JIS C 8981:2006 Referenced Document
JIS A 4201 Protection of structures against lightning
JIS C 1302 Insulation resistance testers*, 2018-02-20 Update