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.
PUBLISHED
IEC TR 60575:1977 ED1
60.60
Standard published
Jan 1, 1977
ABANDON
IEC TR 60575 ED2