NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 61325 ; VDE 0446-5:1996-04 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| HD 474 S1 | 1986 | Dimensions of ball and socket couplings of string insulator units More |
| IEC 60383-2 | 1993-04 | Insulators for overhead lines with a nominal voltage above 1000 V; part 2: insulator strings and insulator sets for a.c. systems; definitions, test methods and acceptance criteria More |
| IEC/TR 60797 | 1984 | Residual strength of string insulator units of glass or ceramic material for overhead lines after mechanical damage of the dielectric. More |
