适用于带 钢化玻璃或陶瓷材料制成的绝缘部件。 注。-本报告中给出的试验程序不适用 根据附录A中给出的原因，将其安装到陶瓷长棒绝缘子上。 不考虑退火玻璃帽和针串绝缘子单元 在本报告中。 具有技术报告的状态。

Applies to string insulator units of the cap and pin type with insulating parts of toughened glass or ceramic material. Note. - The test procedure given in this report is not applicable to ceramic long rod insulators for the reasons given in Appendix A. Annealed glass cap and pin string insulator units are not considered in this report. Has the status of a technical report.