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Why silicone for HV insulators: Silicone compounds explained

Not all silicone is the same. It’s a chemistry thing. Silicone rubber is a mixture of many ingredients, and the actual silicone polymer base may be only about a third of it. Different materials are added for specific

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Why silicone for HV insulators: Silicone compounds explained

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Arresters Energy Handling Capability

High voltage surge arresters are continually subjected to factors that could ultimately degrade the.

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2021 International Lineman’s Rodeo

I think I can speak for us all, it was great to be back!

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Not All Polymer is Created Equal: Discover Hubbell’s Proprietary Compounds

Welcome to the first of our six-part informational series on the polymer high-voltage insulators.

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Use a Double Duty Underground Box for Safe and Simple Termination in 5G Buildout

A divided underground enclosure, such as our new Quazite divided box assembly, saves you time and.

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When it Comes to Underground Enclosure Covers, Let Hubbell Do the Heavy Lifting!

When talking with folks in the field, you often hear comments about how having the right tool can.

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Are your TPGs Passing with Flying Colors?

Temporary protective ground sets are one of the most important pieces of personal protective.

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4 Advantages of Fiberglass Brackets for Utilities

Utility brackets for distribution lines are primarily used in two ways. One is for conductor.

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How Ground Switch-Test Stations Simplify Life for Locating Technicians

Locating technicians must go through several steps to do a locate or trace. First, they open up an.

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Streamline with One Complete Solution for Underground Installations

Whose part is that anyway? No one likes having to mix and match parts to complete a job. Relying on.

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Minimizing the Risk of Wildfires with the Hubbell Fire Protection Disconnector

Wildfires continue to devastate portions of the western United States, Australia and other regions.

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How Does Corrosion Impact the Service Life of Earth Anchors in Water? Let’s Evaluate!

Every application is different, but they often have something in common with other applications. We.

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Installing Electrical Enclosures Adjacent to Roadways

When is a roadway like a bridge? Any underground structure or enclosure essentially functions like.

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Save Time & Money with the Newly Designed MST Swing Arm

Protect your network and safely secure Multiple Service Terminals (MST) within enclosures. Our new.

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Types of Voltage Detectors and How To Select the Right One

In many cases, a line worker is faced with several daily tasks which require them to use a.

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The Evolution of Transmission and Distribution Insulators

Brief History of Materials Used in High Voltage Insulator Construction As the power grid continued.

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The 5 Key Attributes of a Reliable Surge Arrester

MOV, or metal-oxide varistor, surge arresters are widely applied to protect critical utility.

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6 Common Misconceptions of Temporary Personal Protective Grounding

During line work, it is commonplace for lines to be de-energized and grounded for worker protection.

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Osprey Pose Unique Springtime Challenges for Electric Utilities

If you have ever driven along a river, the ocean, or a large lake and come across a massive,.

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Under the Covers: Investigating Animal Mitigation Covers and Infrared Thermography

Hubbell | Greenjacket Inc. is pleased to announce that it has received permission to distribute a.

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Serving the World through Hands-On Helical Pile Training

At Hubbell Power Systems, Inc. (HPS), we are committed to providing our customers with outstanding.

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The Importance of Cluster Bars While Performing De-Energized Line Maintenance

To maintain worker safety while performing de-energized and grounded line maintenance, two.

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Tools in the Toolbox to Minimize Bird-Caused Outages

Birds have no doubt been interacting with power lines and substations since the latter first.

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Personal Protective Ground Set Care and Maintenance

CHANCE® Personal Protective Ground Sets are an important tool for lineworkers to use during.

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Greenjacket Creates Custom Wildlife Mitigation Solution to Save Baby Owls

Although we are just starting out the new year and snow is covering the ground in much of the USA.

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Reducing Hazards of Step and Touch Potential

What is Step and Touch Potential? While performing energized or de-energized line work, there are.

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Guy Deadends for High Tension Terminations

Guy deadends are the connection between guy wire and anchor in a down guy application and must be.

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Primary vs. Secondary Protection For Rubber Gloving or Hotsticking

Energized line maintenance is a popular option for working on power lines. Two common methods for.

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Asset Management Planning for Wildlife Outage Mitigation Planning

What should utilities do in a situation where they are having an animal-caused outage issue and do.

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What Training Do Linemen Need Today and Considerations For Your Line Crew

There are few jobs that are more dangerous than that of a utility lineworker. A commitment to.

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5 Things to Consider When Selecting an Underground Enclosure

There are many choices and considerations with regards to deploying OSP broadband infrastructure.

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The Cost of Outages. How Much Damage Can an Animal Cause?

Animal-caused electric outages, like all other outages, can cause direct and consequential damage.

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Cover-Up Equipment: Selection and Care

Hard Plastic vs. Rubber Cover-Up Equipment Deciding which cover-up equipment is best for the job.

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The Impact of Animal-Caused Outages

The growing reliance on energy and the implications of its interruption in residential homes,.

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An Interview with Kevin Mabie, Communications Northeast Territory Manager

Meet Kevin Mabie, Northeast Territory Manager, as he discusses his communications industry outlook.

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Protecting America’s Birds with Greenjacket

The Lemon Creek substation is a key site for AEL&P in supplying backup power and electrical.

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The Importance of Lead Length for Arrester Applications

A commonly overlooked consideration in arrester applications is the impact of lead length. The.

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How to Avoid Putting Strain on Fiber Communications Lines

When securing a fiber line to a pole, building or at mid-span, installers must be careful not to.

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Why Measuring Torque Matters

The torque-to-capacity relationship for helical anchors and piles is an empirical method originally.

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Getting Started with Surge Arrester Specifications

With the recent and upcoming revisions of IEEE C62.11 and IEC 60099-4 surge arrester standards,.

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4 Advantages of a Custom Bushings Cross-Reference Guide

Not sure what the proper bushing replacements are for your in-service bushings? Hubbell | PCORE®.

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Understanding Classes and Types of Rubber Insulating Blankets

Insulating rubber blankets for energized line maintenance come in a variety of sizes, classes.

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Guy Anchor Testing Procedure

Predicting the holding capacity of an anchor can be difficult due to soil variations at different.

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4 Reasons to Field Test Helical Guy Anchors

The reliability of our overhead power and communication lines is as important today as ever before..

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Why You Should Repair Defective Bushings

Repairing a bushing is less expensive than purchasing a new bushing and you are able to maintain.

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5 Ways Animals Cause Fires and How Wildlife Covers Can Help

Looking at recent data from California utilities, about one in ten ignition causes can be traced.

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Fire Protection Coating: How to Protect Wooden Utility Poles from Wildfires

Utilities recognize that wooden poles are vulnerable to fire. However, replacing millions of wooden.

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Underground Cable Accessories Installation: Proper Torque for Separable Connectors

A common cause of power quality issues in underground systems is the improper torquing of.

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CHANCE® Lineman Grade Tools™ Additional Cleaning to Help Prevent the Spread of COVID-19

During this time of heightened concern for cleanliness, here are some guidelines for additional.

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Components of a Reliable Polymer Compound

Polymer compounds suitable for electrical insulation can consist of 10 or more ingredients which.

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Ensure Long-Term Reliability of Polymer for High Voltage Insulation

After defining the characteristics required of an ideal polymer housing material, the next step is.

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More Than Hydrophobicity: Ideal Polymer Characteristics for Distribution Arresters

It’s a commonly held belief that the single most important characteristic for insulating materials.

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Why Use “H” Rated Clamps for Temporary Grounding

Prior to 2009, ASTM F855, Standard Specifications for Temporary Protective Grounds to Be Used on.

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Thermal Diffusion Galvanizing or TDG Method Tested and Proven

TDG or thermal diffusion galvanizing is a method of applying a uniform, sacrificial, zinc and iron.

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Helical Pile Foundations in Coastal Area

Electric Utility Engineers who design and maintain transmission lines face many challenges.

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4 Reasons to Switch to Silicone-Coated Fiberglass Construction Products

Distribution lines can face harsh conditions. If standard products aren’t doing the job and you.

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How to Install Helical Anchors for Utility Poles in Rock-Hard Soil

Caliche is best described as salt-cemented sand. Naturally occurring in arid and semi-arid regions,.

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Calibration of CHANCE Wireless Torque Indicators

It is well-documented that the best method for predicting the capacity of helical piles and anchors.

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International Lineman's Rodeo 2019 Wrap-Up

It’s a bittersweet moment to look back on an event like the 36th Annual International Lineman’s.

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Solve Load Issues with MITY*Lite® Line Post Insulators

The Insulators Business Unit at Hubbell Power Systems, Inc. strives to provide innovative solutions.

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How Ground Lead Disconnectors Operate

Electric utility operating system reliability is an important factor of utility performance. As a.

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3 Benefits of Hubbell Easy-on Cutout-Arrester Brackets over Conventional Brackets

Responding to concerns that conventional brackets were difficult to install, Hubbell Power Systems,.

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Save Time and Money with PCORE Quick-Link Bushing Specification

Save time and money spent lowering the oil level in the transformer, when replacing higher current.

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How often should you calibrate your CHANCE® Meters?

CHANCE® meters are used to detect line voltage, determine approximate phase-to-phase-voltage, check.

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Experience Faster Testing with the PCORE® SET-Terminal

The PCORE® SET-Terminal is designed for use with field dielectric test equipment for more accurate,.

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Why Fiberglass Guy Strains are More Dependable

Fiberglass Guy Strains may be installed anywhere along the guy wire to help protect against stray.

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Hubbell Power Systems, Inc. Assists Oncor in Restoring Power to More than 340,000 Customers

On Sunday, June 9, 2019, a severe storm hit Dallas-Fort Worth, Texas resulting in more than 350,000.

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Make a Smart Choice with a Smart Tool

No more squinting to read the voltage from the end of the hot stick – or relaying information to.

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Lineman Tools Tips: 5 Steps to Keep Cover-Up Equipment Like New

Download the Cover-up Care Guide Here are five ways linemen can ensure their temporary protective.

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Understanding Distribution Arrester Types for Effective Equipment Protection

There are three distribution arrester types commonly used to protect overhead distribution.

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12 Steps to Install Earth Anchors: Round Rod and SS Anchors

Once all safety concerns have been addressed, attach the Kelly bar adapter and installing tool.

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Maintaining your Anchor Tools

As with most mechanical devices, CHANCE® anchor-installing tools periodically require maintenance.

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Gapped vs Gapless Distribution Arresters

When comparing different arrester designs, it is important to understand how the arrester was built.

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7 Steps to Install Expanding Rock Anchors

Choose anchor site carefully. Rock anchors will only perform effectively in solid competent rock.

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13 Steps to Replace an Insulator on a Tangent Structure

The safety procedures described below are the basic steps and necessary equipment linemen will.

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The Difference in AASHTO and ANSI Underground Enclosure Load Ratings

When considering an underground enclosure specifics matters. It is important to take load ratings.

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A Redesigned Neutral Clevis

Four years, several prototypes and thousands of installations later, Hubbell has satisfied Alliant.

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How to Use Power-Installed Screw Anchors

"Proper alignment" and "down pressure" are simple phrases to summarize proper anchor installation.

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How to Install Large Enclosures

Underground enclosures, commonly call handholes, pits, or vaults, come in a variety of shapes and.

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The Nature and Manifestation of Corona Discharge

In physics, the glow and audible event occurring when an insulator is exposed to excessive voltages.

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How to Install Small Enclosures

Small underground enclosures, commonly called handholes or pits, can come in a variety of shapes.

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Specifying ANSI-SCTE Enclosures

Before specifying underground enclosures, one of the first questions to ask yourself is whether or.

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Use Proper Tooling in Anchor Installation

It is essential to use installing tools and anchors that are properly rated for trucks during the.

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Understanding Grouted Rock Anchors

The CHANCE® grouted rock anchor is designed to be used in situations where the soil is too rocky to.

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The Secret to Our Storm Response

When it comes to storm response, Hubbell Power Systems (HPS) knows how to bring the H.E.A.T..

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Cleaning & Inspecting Your Gloves in the Field

Properly inspecting and storing your rubber insulating gloves could save your life. Rubber.

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Finding Flexibility in Motor Operators

The FlexMO has the ability to operate switches from 15 kilovolts to 765 kilovolts with five.

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Understand Differences between Versa-Tech® I, II, LT and XC Reclosers

Multiple variations of the Versa-Tech® recloser are available to fit any single-phase application.

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The Life Expectancy of a Hotstick

Linemen often ask about the life expectancy of a hotstick. While there is no exact answer to this.

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Versa-Tech® II & XC Recloser Smart-Grid Integration

In 2014, a new generation of the Versa-Tech® recloser was introduced. The Versa-Tech II recloser.

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High Voltage Insulator Testing Capabilities

To support design and development activities, we maintain a fully equipped electrical and.

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Challenges of Various Reclosers

There are several types of automatic circuit recloser technologies for the electric utility.

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4 Common Pilot Protection Schemes for Line Protection

There are four common pilot protection schemes for line protection used today: (1) Direct.

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6 Rules to Follow with a Downed Power Line

Power lines that are commonly seen in residential areas are not insulated and contain at least.

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Quick Ship your Enclosures

In order to better serve our customers, we now provide a quick ship program for our enclosure.

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Evaluating Utility Foundations During Storm Restoration

Rising water can damage or weaken existing transmission line and substation utility foundations. In.

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Reporting a Power Outage

Technology advancements used by many utilities today makes reporting a power outage almost.

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Reduce Installation Errors with SureFit™ Aluminum Automatic Splices

The SureFit™ automatic splice was designed to minimize partial insertion errors, the most common.

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A Breakdown of Tariffs and How they Can Affect your Business

There’s been a lot of discussion lately around tariffs, but what does this mean for your business?  

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Convert RFL 9745 Analog Teleprotection Equipment to Operate Over T1 Leased Lines

The Scenario Telephone companies will no longer support audio leased lines starting as early as.

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Color Banding on Toughened Glass Bell Insulators

Toughened glass bell insulators are easily identified through the application of color bands on the.

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When Milliohms Matter – Temporary Protective Grounding

In the event of a fault current, milliohms can make the difference between a lineman going home for.

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How Transmission Kitting Keeps your Project on Track

In Alaska, the 115-kV Quartz Creek transmission line connects two hydroelectric dams on the Kenai.

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Arrester Field Testing

All Hubbell Power Systems surge arresters are factory tested according to IEEE C62.11 and IEC.

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How to Operate your Versa-Tech I & LT WiFi Remote

Introduction The Versa-Tech® I and Versa-Tech® LT reclosers use a 2.4GHz remote radio to.

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The Science of Soil Mechanics & Holding Capacity

Historical Analysis During the early development of the screw anchor, the load resistance of an.

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Protection from Hazardous Step and Touch Potentials

When overhead electrical line workers employ proper personal protective grounding practices they.

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7 Questions to Identify the Right Elbow

It can be a challenge to identify the right elbow for varying applications. There are so many.

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How to Properly Attach an Arrester Drain Wire

Elbow and parkingstand arresters are provided with a ground wire as well as a grounding eye for.

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Why Implement Pilot Protection Relaying for Line Protection?

Pilot Protection Relaying uses a communications channel (pilot channel) to provide coordination.

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Emergency Preparedness

THE IMPORTANCE OF EQUIPMENT REPOSITIONING In recent years, the U.S. has been faced with several.

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13 Tips for Installing Underground Separable Connectors

Ensure cutback dimensions are accurate and all cuts are square. Do not nick or cut the shield,.

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Selecting Zinc Sleeves for Toughened Glass Bell Insulators

When designing a high voltage transmission line utilizing toughened glass bell insulators,.

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12 Tips for Installing Loadbreak Elbows

Follow all safe work practices and recommended work procedures. Review instruction sheet. Form.

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Substation Arrester Selection

Surge arresters can extend the life of system assets by limiting the voltage across expensive.

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Redesigning a Classic — A Brand New Drop-Over

Available in two sizes, the new Hot Box® PEZ (Polyethylene EZ) drop-over features visual and.

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6 Key Benefits of Hot Box® Enclosures

Hot Box® enclosures have been trusted since 1986 to secure America’s backflows, air release valves,.

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Protecting Lineman with Aqueous Dipped Rubber Insulating Gloves

There are different methods to produce rubber insulating gloves. Hubbell Power Systems’ CHANCE®.

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6 Tips for Rubber Insulating Gloves

Rubber insulating gloves are a critical piece of Personal Protective Equipment (PPE) when working.

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Why Porcelain Technology Continues to Thrive

Porcelain is a key component used in the construction of electrical components throughout the.

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Fault Finding on Underground Cables

The CHANCE® DC hi-pot adapter has proven to be a very valuable tool for locating faulted cables in.

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Drivecast™ in Action: Installation Test Results

The CHANCE® Drivecast™ screw displacement pile underwent three installations in the northeast, each.

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The Benefits & Challenges for Substation Communications

As a power utility company, it is critical to understand the benefits and challenges when it comes.

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Line Performance Improvement

Consumer demands for reliable electric power have continued to increase over the years with.

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Comparing Deep Foundation Elements

There are seven key deep foundation solutions: helical piles, micropiles, driven piles, rammed.

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When Elbow Probes Should be Replaced

Under normal conditions, elbow probes and bushing inserts should last as long as elbows. However,.

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8 Tips for Bolted Connectors

All bolted deadends are rated 40% of the conductor RBS. Bolted deadends can be used in slack span.

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Installing Screw Displacement Piles

As the CHANCE® Drivecast™ screw displacement pile is rotated into the ground, it compresses the.

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Care & Maintenance of Personal Protective Grounding Equipment

Recent updates to OSHA 1910.269(n) and 1926.962 have emphasized the responsibility of the employer.

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What are Continuous Flight Auger Piles Costing You?

Construction crews and installers face a significant investment financially and time-wise when.

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Distribution System Reliability

Distribution lines are likely targets for lightning strikes. Once the lightning touches the line,.

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Reduce Connection Problems and Personal Injury with an Elbow Puller

You’ll probably never see anyone trying to use an elbow-puller tool for anything except what its.

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Islanding Detection through Communication Assisted Methods

Communications assisted methods are unique in that they effectively eliminate the non-detection.

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Transformer Protection with Minimized Outages

Expulsion fuse links are designed for circuit protection from over-current occurrences and.

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Understanding Power System Islanding

Power system islanding occurs when distributed generation becomes isolated from the power system.

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Are You Meeting Separation Requirements? Standoff Brackets Can Help

Standoff brackets, sometimes called attachment or extension arms, are used to support conductors,.

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How Switching to Distribution Automation Reduced Power Outage Time

"In the old configuration, if we lost either feeder, 750-800 customers were without power until a.

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Prevent Equipment Damage with the Right Arrester Selection

Power surges can damage electronic equipment if not adequately protected. Surge arresters protect a.

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Solving a Substation Network Security Flaw

In 2014, Hubbell Power Systems, Inc. (HPS) acquired RFL Electronics, a protection and communication.

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5 Tips to Install Elbow Probes

Nothing can be more aggravating when installing elbows, than the probe not wanting to screw into.

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Personal Protective Grounding in Substations

“We have been searching for better ways to implement our policy for substation grounding almost.

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5 Tips to Navigate our Website

1. Drilling down into product information - When you hover over "Products" on the homepage, you'll.

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Increasing the Reliability of Main Electrical Feeders

DORELCO is a rural electric cooperative located in the town of Tolosa, Island of Leyte, in the.

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The PRC Bushing Continues to Develop

The PCORE oil-free PRC® bushing was recently developed to provide an option to customers who are.

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The Silent Watchman

The electric service division of Fayetteville Public Works Commission (PWC) has been in operation.

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The Evolution of Surge Protection Technology

Lightning protection devices date back to the mid 1700’s. Early technology, such as the lightning.

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Material Sourcing for Apitong Wood Braces

Utilities depend on their wood structures lasting 25-30 years. Therefore, it’s important to specify.

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How Aluminum Brackets Outperform Steel

The performance of utility brackets is critical, especially in the event of a major storm or.

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10 Tips for Installing Distribution Connectors in the Icy Conditions

Each utility has a set of guidelines for weather conditions in their area which takes into.

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Winter Weather Challenges for Substation and Transmission Components

While heat is generally the enemy of power system transmission lines, strong winter weather brings.

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Quick Ship your Substation Connectors

In the case of an emergency, natural disaster or major project, utilities can experience the need.

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11 Tips for Installing Line Arresters

Follow the directions, recommended work practices and be safe when installing line arresters..

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How to Solve Mystery Blink Problems

Owen Electric is located in Northern Kentucky and serves about 58,000 members. The Boone feeder.

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Do you have Seismic Concerns?

Protecting your substation from natural disasters is critical. We recommend periodic inspections.

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Take Care of Your Cover Up Equipment

Hot line maintenance appears to have begun in the early 1900’s with a few homemade tools. Tools and.

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How to Install Substation Arresters

To install substation arresters, follow the directions, recommended work practices and be safe..

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Experiencing a Digital Transformation

THE EMERGENT ERA As Internet usage continues to experience double-digit growth, the demand for.

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Tips of the Trade for Ratchet Hoists

For the hoist user, long-term dependable performance is easy to obtain by following simple work.

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The Sinking Feeling of a Kinked Buffer Tube

Express splicing and future cable additions are standard in today’s fiber to the home networks. In.

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Minimizing Outages with Interrupting Devices

In an industry driven by the size of performance indices, minimizing the size of an outage is.

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Are you Properly Testing your Hot Line Tools?

Each hot line tool should be wiped clean and visually inspected for defects before use each day. If.

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3 Ways to Save on Bushings

Managing your bushing equipment can get to be expensive - even with a life expectancy of 40+ years..

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3 Benefits to Test Terminals

With energy demand continuously increasing, adding further stress and wear on already aging power.

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5 Tips to Inspecting Guy Anchors after a Storm

When utility crews are dealing with the aftermath of storms, they cannot forget to evaluate how the.

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Bushing Repair vs. Replacement

There are two options for defective bushings: (1) Replace with new bushings or (2) Repair existing.

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Transitioning from 4-Wire Leased Lines to Leased T1 or Ethernet

The Scenario As early as 2015, telephone companies no longer supported 4-Wire audio leased lines..

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A Guide to Installing Distribution Arresters

To install distribution arresters: 1. Follow the directions, recommended work practices and be.

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Tips on Managing Arc Flashovers

An arc flash or arc flashover occurs when an electrical discharge goes through air. It can cause a.

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Checklist to Reduce Bushing Testing Issues

Electro Composites™ and PCORE® bushings are routinely tested in the factory and the power factor.

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How to Solve Anchor Problems

In the rare instance you encounter issues installing CHANCE® PISA® anchors (power installed screw.

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A Guide to Lead Times

When it comes to USCO® switches, we have a rigorous process to provide a top quality.

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How to Store Fiber Optic Cable

Cutting and splicing fiber optic cable takes a lot of time, interrupts service to downstream.

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