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Pole Line Hardware


Fighting Wildfires to Increase Pole Protection

Evaluating pole selection for increased protection BY BUTCH BERNHARDT, North American Wood Pole Council The number of wildland fires reached record levels in many states in 2014, prompting questions about what poles perform more efficiently in fires: steel or wood. Research from a bulletin...

Fiber-Reinforced Composite Cross Arms for Transmission Structures

Fiber-reinforced polymers versus traditional cross arms materials BY JANOS TOTH & GRANT LOCKHART, FRP Transmission Innovations Inc. Recently, utilities have started using newer options such as component polyurethanes instead of older, widely used conventional materials. Specifically,...

A New Age for Toughened Glass Insulators - With Clarity Comes Safety

INTRODUCTIONIn 2005 an article about toughened glass insulators (TGI) titled “Return to Clarity” was published. Fifteen years later, this sequel article by a team including the two original authors, picks up where the former concluded with optimism about the future of TGI technology...

Pole Line Hardware

Roping Electrical Equipment

How synthetic ropes show results for heavy lifts

BY BILL PUTNAM, Yale Cordage

Years ago in Oklahoma, an investigation ensued after a pole-mounted transformer dropped thirty feet off a wire winch line and onto the foot of a line worker during a routine maintenance operation. Initially thought to be an unexpected failure or an issue with the line itself, interviews revealed that the truck equipped with the line had been out on multiple back-to-back shifts...

Related Articles


Sediver TGI

A New Age for Toughened Glass Insulators - With Clarity Comes Safety

INTRODUCTIONIn 2005 an article about toughened glass insulators (TGI) titled “Return to Clarity” was published. Fifteen years later, this sequel article by a team including the two original authors, picks up where the former concluded with optimism about the future of TGI technology...

Facing Wildfire? Choose Toughened Glass Insulators

Insulators under fire, what are we talking about? A line directly in the fire is considered as lost A line near the heat of a fire can be saved What is the condition of insulators on a line nearby a fire? Reliability of insulators during or after a fire is a key consideration for T&D...


Insulators' ageing in North America - How about testing them?

Sediver has established in the USA an assembly factory for glass insulators in 2017 but also, and perhaps more interesting for some engineers, a laboratory capable of performing all the tests required by the world’s standards. Large test campaigns have already been conducted in this...

Facing Wildfire? Choose Toughened Glass Insulators

Insulators under fire, what are we talking about? A line directly in the fire is considered as lost A line near the heat of a fire can be saved What is the condition of insulators on a line nearby a fire? Reliability of insulators during or after a fire is a key consideration for T&D...

"Smart" Insulator

Transmission Line Resiliency

Resiliency is a term used more and more by transmission line stakeholders including designers, operators, and owners. Resilience is simply defined as toughness or the capacity to recover quickly from difficulties. It can be used to describe a system, an object or even a person. Dr. Ginsburg, child...

Sediver TGI

A New Age for Toughened Glass Insulators - With Clarity Comes Safety

INTRODUCTIONIn 2005 an article about toughened glass insulators (TGI) titled “Return to Clarity” was published. Fifteen years later, this sequel article by a team including the two original authors, picks up where the former concluded with optimism about the future of TGI technology...

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