20.99 Jul 12, 2024
CD Dec 31, 2025
IEC
TC 36
Technical Specification
PROJECT
IEC TS 63594 ED1
20.99
WD approved for registration as CD
Jul 12, 2024
Composite insulated cross-arms with AC rated voltage greater than 1 000 V and DC voltage greater than 1 500 V – Definitions, design criteria, test methods and acceptance criteria
20.99 WD approved for registration as CD