Applies to string insulator units of the cap and pin type as well as of the long rod type with insulating parts of ceramic material or glass intended for a.c. and d.c. overhead lines with a nominal voltage greater than 1000 V and also to insulators of similar design when used in substations. Note -This publication should be read in conjunction with IEC 60383.
WITHDRAWN
IEC TR 60575:1977 ED1
95.99
Withdrawal of Standard
Dec 31, 2025
ABANDON
IEC TR 60575 ED2