IEC 60364-7-703:1984 Electrical installations of buildings. Part 7 : Requirements for special installations or locations. Section 703 - Locations containing sauna heaters.
2004IEC 60364-7-703:2004 Electrical installations of buildings - Part 7-703: Requirements for special installations or locations - Rooms and cabins containing sauna heaters
1984IEC 60364-7-703:1984 Electrical installations of buildings. Part 7 : Requirements for special installations or locations. Section 703 - Locations containing sauna heaters.