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Insulators

How to Choose a Polymer Insulator Equivalent for a Porcelain String
Written by Jeff Butler
Looking at polymer insulators, we’ve considered several factors that determine superior material...

Why Quadri*Sil™ Insulators Provide Longer life
Written by Jeff Butler
Today’s fourth generation Quadri*Sil™ polymer transmission insulator has an expected service life...


A look at silicone compounds for HV insulators: Testing performance
Written by Jeff Butler
We talked previously about the science behind compounding superior silicone rubber for polymer...

Why silicone for HV insulators: Silicone compounds explained
Written by Jeff Butler
Not all silicone is the same. It’s a chemistry thing. Silicone rubber is a mixture of many...

Not All Polymer is Created Equal: Discover Hubbell’s Proprietary Compounds
Written by Jeff Butler
Welcome to the first of our six-part informational series on the polymer high-voltage insulators...

The Evolution of Transmission and Distribution Insulators
Written by Jeff Butler
Brief History of Materials Used in High Voltage Insulator Construction As the power grid continued...

Thermal Diffusion Galvanizing or TDG Method Tested and Proven
Written by Jeff Butler
TDG or thermal diffusion galvanizing is a method of applying a uniform, sacrificial, zinc and iron...

Solve Load Issues with MITY*Lite® Line Post Insulators
Written by Robert Ransone
The Insulators Business Unit at Hubbell Power Systems, Inc. strives to provide innovative solutions...

The Nature and Manifestation of Corona Discharge
Written by Robert Ransone
In physics, the glow and audible event occurring when an insulator is exposed to excessive voltages...

High Voltage Insulator Testing Capabilities
Written by John Schonewolf
To support design and development activities, we maintain a fully equipped electrical and...

Color Banding on Toughened Glass Bell Insulators
Written by Robert Ransone
Toughened glass bell insulators are easily identified through the application of color bands on the...

Selecting Zinc Sleeves for Toughened Glass Bell Insulators
Written by Robert Ransone
When designing a high voltage transmission line utilizing toughened glass bell insulators,...