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- Dielectric Testing ASTM D1816
  
  Electrical Testing Talk 4
  
  Hello, can someone recommend a company that can perform Dielectric Testing to standard ASTM D1816 for compressor oil? We have about 30 samples that need to be...
  
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- Applying a solidly grounded wire after hipot test
  
  NETA Level 2 Exam 12
  
  Applying a solidly grounded wire immediately after performing a high-potential test:
  
  Last post by SecondGen 1 Week Ago
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- S&C Protection & Coordination Assistant Free Online Tool
  
  P&C / Relay Testing Talk 0
  
  Anyone else using this? Awesome online tool by S&C lets you coordinate protective devices easily. All you need to do is add your devices to the chain and it...
  
  Last post by SecondGen 1 Week Ago
- ANSI Rule of Thumb for Transformer Polarity
  
  NETA Level 3 Exam 5
  
  Facing the High Voltage side of a three phase transformer, where is H1? Your Answer: In the center Correct Answer: Over the right shoulder Help: Transformer...
  
  Last post by bec51392 1 Week Ago
- What Formulas Are Provided on the NETA Exam?
  
  NETA Level 2 Exam 4
  
  I was told by coworkers that a formula sheet would be provided like the on screen calculator. When i took it last November the lady said she didn't know...
  
  Last post by SecondGen 1 Week Ago
- Tan Delta versus Partial Discharge testing on cables
  
  Electrical Testing Talk 5
  
  Thoughts on this? What is the preferred test for all of you, and why? [url]www.taifaengineering.com[/url]
  
  Last post by SecondGen 1 Week Ago
- what am i missing here?
  
  NETA Level 2 Exam 5
  
  A given 4160V 3-phase wye connected system is grounded by a 12 ohm resistor, what would the ground fault current be limited to? the Answer is 200A but I don't...
  
  Last post by SecondGen 1 Week Ago
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Technical Articles
- Power Factor Testing: Voltage Considerations Explained
  
  The first step in any comprehensive testing approach is to create a plan that ensures the safety of both the equipment under test and personnel performing the test. Keeping the device under test safe... Continue Reading
  
  Posted By testguy January 4, 2021
- Motor Nameplate and Ratings Explained
  
  We explain the markings found in NEC along with other common terms and ratings included on motor nameplates. Continue Reading
  
  Posted By testguy August 30, 2020
- Electrical Drawings and Schematics Overview
  
  Designing, installing, and troubleshooting of electrical systems requires the use of various drawings to give engineers, installers, and technicians a visual representation of the systems they work... Continue Reading
  
  Posted By testguy July 19, 2020
- Insulating Liquids: Basic Properties, Types and Applications Explained
  
  Fluid inside electrical apparatus is the lifeblood that serves both as a dielectric and a cooling medium. Continue Reading
  
  Posted By testguy June 25, 2020
- 4 Critical Tests for Evaluating HV Circuit Breaker Performance
  
  Regardless of the breaker type, its important to test their components regularly to help ensure proper operation in case of a system fault or switching operation. Continue Reading
  
  Posted By testguy March 9, 2020
- Power Quality Analysis: Basic Theory and Applications Explained
  
  There is no such thing as perfect power quality in the real world. Service interruptions, equipment malfunction, and excess power consumption are all common symptoms of poor power quality. Continue Reading
  
  Posted By testguy November 23, 2019
- Magnetron Atmospheric Condition (MAC) Testing Principles
  
  Unlike the hipot test, testing vacuum interrupters utilizing magnetron atmospheric condition (MAC) principles can provide a viable means for determining the condition of vacuum interrupters prior to... Continue Reading
  
  Posted By testguy September 15, 2019
- Electrical Power System Studies Explained
  
  There are many different types of power system study, each with their own special purpose and calculation method. Each analysis is unique to a particular power system, any changes within the system... Continue Reading
  
  Posted By testguy August 9, 2019
- Power Distribution Unit (PDU) Applications, Testing & Maintenance
  
  Traditional data center power distribution designs consist of multiple PDUs delivering power to remote power panels (RPPs) throughout the building, which in turn deliver power to network hardware... Continue Reading
  
  Posted By testguy May 26, 2019
- Network Protector Basics: Applications, Operation, and Testing
  
  This guide covers network protector basic operation and maintenance procedures. Continue Reading
  
  Posted By testguy April 19, 2019
- Infrared Thermography for Electrical Distribution Systems
  
  This guide provides a basic overview of the theory and procedures involved with infrared scanning electrical distribution systems. Continue Reading
  
  Posted By testguy December 22, 2018
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- Applying a solidly grounded wire after hipot test
  
  NETA Level 2 Exam 12
  
  Applying a solidly grounded wire immediately after performing a high-potential test:
  
  Last post by SecondGen 1 Week Ago
- Transformer Winding Resistance
  
  Electrical Testing Talk 12
  
  Hi everyone, I hope you all doing okay. I wonder something and you are the best crew i can ask :) When we test winding resistance test for transformer we...
  
  Last post by SecondGen March 29, 2021
- NETA Governance and Influence
  
  Electrical Testing Talk 11
  
  I think NETA is influenced by some specific testing companies. Also they govern NETA test. Who will agree with this?
  
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- Doble M4000 Temp Sensor Help
  
  Electrical Testing Talk 9
  
  Looking to repair our M4000 temp/humidity sensor cable, can anyone help with the pinouts? Connector pins are labeled 1-4, need to know which color goes to...
  
  Last post by SecondGen January 26, 2021
- What are the magnitude and direction?
  
  NETA Level 3 Exam 7
  
  If a = (5, -12), what are the magnitude and direction of a? The above question marked me wrong I answered: (13, 292.6°) I double checked this online...
  
  Last post by testguy June 14, 2021
- 15kv vacuum breaker maintenance hipot test voltage
  
  Electrical Testing Talk 7
  
  Wondering what the test voltage is for a 15kv vacuum breaker (13.8kv nominal voltage) for AC hipot. Maintenance test. Thanks!
  
  Last post by gasman October 8, 2020
- Electronic Molded Case CB Test Data ?
  
  Electrical Testing Talk 7
  
  I received a test report for an molded case CB with electronic trip unit, in the comments it reads "Megger Load Side Only. Contact Resistance Does Not Meet...
  
  Last post by Kalbi_Rob April 13, 2021
- Relay Test Supplies
  
  P&C / Relay Testing Talk 7
  
  I have found that the old site where I purchased relay testing cable, and various knick knacks for assisting with relay testing has gone away. I am curious if...
  
  Last post by khanhamza February 6, 2021
More topics: Electrical Testing Talk | Relay Testing Talk | Safety & Arc-Flash | NETA Exam Prep | NICET Certification Talk
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Hello, can someone recommend a company that can perform Dielectric Testing to standard ASTM D1816 for compressor oil? We have about 30 samples that need to be...

Applying a solidly grounded wire immediately after performing a high-potential test:

Check out the all new TestGuy Merch Shop, now on TeeSpring. Show your support for the community with our collection of shirts and accessories. We have a few...

Anyone else using this? Awesome online tool by S&C lets you coordinate protective devices easily. All you need to do is add your devices to the chain and it...

Facing the High Voltage side of a three phase transformer, where is H1? Your Answer: In the center Correct Answer: Over the right shoulder Help: Transformer...

I was told by coworkers that a formula sheet would be provided like the on screen calculator. When i took it last November the lady said she didn't know...

Thoughts on this? What is the preferred test for all of you, and why? [url]www.taifaengineering.com[/url]

A given 4160V 3-phase wye connected system is grounded by a 12 ohm resistor, what would the ground fault current be limited to? the Answer is 200A but I don't...

Applying a solidly grounded wire immediately after performing a high-potential test:

Hi everyone, I hope you all doing okay. I wonder something and you are the best crew i can ask :) When we test winding resistance test for transformer we...

I think NETA is influenced by some specific testing companies. Also they govern NETA test. Who will agree with this?

Looking to repair our M4000 temp/humidity sensor cable, can anyone help with the pinouts? Connector pins are labeled 1-4, need to know which color goes to...

If a = (5, -12), what are the magnitude and direction of a? The above question marked me wrong I answered: (13, 292.6°) I double checked this online...

Wondering what the test voltage is for a 15kv vacuum breaker (13.8kv nominal voltage) for AC hipot. Maintenance test. Thanks!

I received a test report for an molded case CB with electronic trip unit, in the comments it reads "Megger Load Side Only. Contact Resistance Does Not Meet...

I have found that the old site where I purchased relay testing cable, and various knick knacks for assisting with relay testing has gone away. I am curious if...

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