◎ RCC-E (Electrical Design and Construction Planning for Nuclear Islands of Pressurized Water Reactor Nuclear Power Plants)

◎ IEEE (Institute of Electrical and Electronics Engineers)

◎ IEC (International Electrotechnical Commission Standards)

◎ BS (British Standard)

◎ HD (European Harmonized Standard)

◎ UL (Underwriters Laboratories, Inc.)

◎ JIS (Japanese Standard)

◎ GB (National Standard)

◎ JB (Mechanical Industry Standard)