NF C66-333*NF EN 61462:2008 复合空心绝缘子 额定电压大于1000V的电器设备用承压和非承压绝缘子 定义、试验方法、验收标准和设计推荐
Composite hollow insulators - Pressurized and unpressurized insulators for use in electrical equipment with rated voltage greater than 1 000 V - Definitions, test methods, acceptance criteria and design recommendations