This standard specifies the shapes and dimensions of high-voltage terminals and low-voltage terminals used in distributors and ignition coils for automobile spark-ignition engines.
JIS D 5202:1998 history
1998JIS D 5202:1998 Automotive parts -- Distributors and ignition coils -- High-tension connections and low-tension connections
1980JIS D 5202:1980 Mounting dimensions of distributors for automobiles