Glass insulators. Suspended glass discs in a cap and pin insulator string. Cap and pin insulator strings of glass or porcelain discs are used to insulate high voltage power transmission lines. The voltage of the line determines the number of discs used | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Molloy, Cordelia |
Taille de l’image : | 3648 px × 5472 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |