HV Test Equipment

PFT – 503CM

High Voltage Testing with AC Power Frequency

High Voltage, Inc. is a small design and manufacturing company located in the Hudson Valley region of New York State. Although small, we are a…
View more

Test Your Knowledge About Smart Grid!

Think you know Smart Grid? Take our quick, interactive quiz and test your knowledge in minutes.

  • Instantly see your results and score
  • Identify strengths and areas for improvement
  • Challenge yourself on real-world electrical topics
Take Quiz

Latest Electrical Industry News

FirstEnergy Explores Alternatives to PJM Capacity Market

In a strategic move aimed at enhancing its power supply reliability, FirstEnergy is actively exploring alternatives to the PJM capacity market. This development reflects the…
View more

Zensol new instrument for OLTC testing

According to CIGRE A2.34, the dynamic resistance measurement or DRM (OFFLINE) is a test that offers diagnostics for several diverter or selector switch malfunctions such…
View more

The Role of Cable Rejuvenation in Addressing the Maintenance of Aging Underground Cables

Aging underground residential distribution (URD) cables is a growing problem in communities around the world, disrupting customers and causing business challenges for utility providers. But in most cases,…
View more

The End of the Road for Transmission Incentives

In a significant shift, the Federal Energy Regulatory Commission (FERC) has decided to abandon its transmission incentives policy, particularly the construction work in progress (CWIP)…
View more

Partial Discharge & Circuit Breaker Asset Management

Detecting and avoiding preventable failures BY JAY GARNETT, Doble Engineering Company While metal clad switchgear can be very reliable, sometimes operating for over 50 years,…
View more

Power Factor Testing of Circuit Breakers

Detecting contamination and deterioration in SF6 breakers to ensure longevity BY LINDA NOWAK, Doble Engineering Company The purpose of “Doble testing”, or power factor testing,…
View more
MRVI

Safe Work Verified Through Data Logging Technology

On Distribution, Transmission or Substation equipment, testing for presence or absence of nominal voltage is mandated specifically by OSHA rule 1910.269(n)(5) which states “Testing. The…
View more

T&D Buyer's Guide


HV Test Equipment Articles

Line Leakage Testing: Is It Right For Your Application

Line Leakage Testing: Is It Right For Your Application

The Line Leakage test (LLT for short) is most often specified to be performed as…
View more
ACCELERATING TOWARDS GREATER TESTING EFFICIENCY - A true transformer test van

ACCELERATING TOWARDS GREATER TESTING EFFICIENCY - A true transformer test van

Test lead management, including quality of connection and correct lead placement, is an important part of…
View more
IR Inspection Windows for Electrical System Reliability

IR Inspection Windows for Electrical System Reliability

An Infrared Inspection Window is used to separate environments of differing pressures or temperatures while…
View more
Circuit Breaker Time and Motion Testing

Circuit Breaker Time and Motion Testing

Determining mechanical condition of high-voltage circuit breakers BY JOZEF LEVI, Doble Engineering Company Life expectancy…
View more
Insulation Resistance Test

Insulation Resistance Test

Insulation Resistance (IR) test, often called Megger test, is more than 100 years old and…
View more

FREE EF Electrical Training Catalog

Download our FREE Electrical Training Catalog and explore a full range of expert-led electrical training courses.

  • Live online and in-person courses available
  • Real-time instruction with Q&A from industry experts
  • Flexible scheduling for your convenience

Sign Up for Electricity Forum’s Newsletter

Stay informed with our FREE Newsletter — get the latest news, breakthrough technologies, and expert insights, delivered straight to your inbox.


Related Courses

Expert Electrical Training That Builds Skills

The Electricity Forum Training Institute provides expert-led electrical training for professionals across North America. We deliver live online and in-person courses year-round, taught by certified instructors. Our training helps ensure electrical safety, code compliance, and technical excellence for utilities, industries, contractors, and engineers in both the U.S. and Canada.

Live Online & In-person Group Training

Advantages To Instructor-Led Training – Instructor-Led Course, Customized Training, Multiple Locations, Economical, CEU Credits, Course Discounts.

Request For Quotation

Whether you would prefer Live Online or In-Person instruction, our electrical training courses can be tailored to meet your company's specific requirements and delivered to your employees in one location or at various locations.