美利体育登录入口官网:IEC 60364-4-47:1981
建筑物的电气设施.第4部分:安全防护.第47章:安全防护措施的应用.第470节:总则.第471节:电击保护措施
Electrical installations of buildings. Part 4 : Protection for safety. Chapter 47 : Application of protective measures for safety. Section 470 - General. Section 471 - Measures of protection against electric shock