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.