本指南提供了用于交流（ac）配电系统的高压（>1000 V）保险丝和附件的结构、操作和应用的信息。包括限流、放电、电子和其他非限流熔断器和附件，以及北美、欧洲和其他应用实践。作为指南，本文件不包含任何要求，仅供参考。

This guide provides information for understanding the construction, operation, and application of highvoltage (> 1000 V) fuses and accessories, intended for use on alternating current (ac) electrical distribution systems. Current-limiting, expulsion, electronic, and other non-current-limiting fuses and accessories are covered, as are North American, European, and other application practices. As a guide, this document contains no requirements and is informative only.