Electric designs, manufactures and supplies OHL hardware and accessories for power transmission and distribution lines with over 20 years experrience. Single insulator tension & suspension string Double insulator tension & suspension string Triple insulator tension & suspension string STANDARD Electric comply with the standard of IEC61284, BS729, BS3288, ISO1461, IEC60120. PRODUCT RANGE 11kV-500kV insulator strings. All the components of insulators strings can be found in the catalogs. Electric can also make the design according to client's reuirements. APPLICATION The tension, suspension and jumper strings are used for OHL transmission lines with porcelain insulators, glass insulators or composite insulators.