NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 61466-1 ; VDE 0441-4:1997-10 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| HD 474 S1 | 1986 | Dimensions of ball and socket couplings of string insulator units More |
| IEC 60120 | 1984 | Dimensions of ball and socket couplings of string insulator units More |
| IEC 60471 | 1977 | Dimensions of clevis and tongue couplings of string insulator units More |
| IEC 61109 | 1992-03 | Composite insulators for a.c. overhead lines with a nominal voltage greater than 1000 V; definitions, test methods and acceptance criteria More |
