IEC 61386的这一部分规定了导管系统（包括导管和导管配件）的要求和测试，用于保护和管理高达1 000 V交流电的电气装置或通信系统中的绝缘导体和/或电缆。和/或1500V D.C.这第二版取消并取代了1996年出版的第一版及其修正案1（2000），它构成了技术修订。对第一版的修改如下: -改变用于拉伸测试的接头之间的测试样本的长度， -编辑和规范性参考资料更新。

This part of IEC 61386 specifies requirements and tests for conduit systems, including conduits and conduit fittings, for the protection and management of insulated conductors and/or cables in electrical installations or in communication systems up to 1 000 V a.c. and/or 1 500 V d.c. This second edition cancels and replaces the first edition published in 1996, and its Amendment 1 (2000), and it constitutes a technical revision. The changes to the first edition are as follows:
- change to the length of the test specimen between fittings for the tensile test,
- editorial and normative reference updates.