HPS is proud to offer a line of transmission insulators that triumphs over today’s unpredictable environment. Quadri*Sil™ Insulators optimize the HPS commitment to excellence.

All Quadri*Sil™ Insulators are rated and tested in accordance with IEC and ANSI standards. Factory routine tests are conducted on 100 percent of all insulators to the RTL rating. For certified test reports or additional information, please contact your HPS representative.

For detailed mechanical ratings, markings and special project
insulator lengths, please reference the Quadri*Sil Catalog.