IEC 60364-4-473/AMD1:1998 Electrical installations of buildings - Part 4: Protection for safety - Chapter 47: Application of protective measures for safety - Section 473: Measures of protection against overcurrent; Amendment 1
1999IEC 60364-4-473:1999 Electrical installations of buildings - Part 4: Protection for safety - Chapter 47: Application of protective measures for safety - Section 473: Measures of protection against overcurrent
1998IEC 60364-4-473/AMD1:1998 Electrical installations of buildings - Part 4: Protection for safety - Chapter 47: Application of protective measures for safety - Section 473: Measures of protection against overcurrent; Amendment 1
1977IEC 60364-4-473:1977 Electrical installations of buildings. Part 4 : Protection for safety. Chapter 47: Application of protective measures for safety. Section 473 - Measures of protection against overcurrent