General rules for energy evaluation method by available energy (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1991

Lighting of tunnels for motorrized traffic (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1990

Protection against lightning -- Part 3: Physical damage to structures and life hazard
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2019