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- Omicron Test Equipment vs Others
  
  Electrical Testing Talk 7
  
  I've recently went and visited an Omicron facility in Houston. We went for the line impedance testing abilities, but while we were there I was able to ask...
  
  Last post by jblunt92482 59 Minutes Ago
- NETA 4 Exam Questions 7/2018
  
  NETA Level 4 Exam 16
  
  I took the NETA IV exam this Monday. There was maybe one or two questions from this entire site on the exam!!!
  
  Last post by test11 3 Hours Ago
- Ohm/volt meter internal resistance on specified volt scale
  
  NETA Level 2 Exam 2
  
  A 20,000 ohm/volt meter will have an internal resistance of ______ on the ten volt scale. Help: internal resistance = ohm/volt * scale volts How do you...
  
  Last post by amlawren 10 Hours Ago
- Doble Testing a Bushing: C2 reading higher than nameplate
  
  Electrical Testing Talk 8
  
  Does anyone have an explanation for high C2 readings when Doble testing transformer bushings? The test was on a three winding transformer. All C2 values...
  
  Last post by amlawren 11 Hours Ago
- What test reporting software are you using?
  
  Electrical Testing Talk 12
  
  We are still on PowerDB 10 and it’s a nightmare, constant problems with getting job history and synchronizing our data. It could be the way we are using it,...
  
  Last post by amlawren 11 Hours Ago
- Correct test voltage for 5KV cable?
  
  NETA Level 3 Exam 9
  
  • Codes and Standards 34. In accordance with NETA and IEEE standards the correct maintenance test voltage (dc) for 5KV rated EPR 133% insulation level cable...
  
  Last post by test11 4 Days Ago
- Contact Resistance testing of BUS, difference between test currents 10A VS 100A
  
  Electrical Testing Talk 5
  
  Just wondering on some theory info about long bus runs on contact resistance testing prior to putting equipment into service. Testing it at 10A VS 100A, does...
  
  Last post by test11 4 Days Ago
- Will a downstream 30A fuse will always blow before an upstream 100A fuse?
  
  NETA Level 2 Exam 2
  
  A downstream 30A fuse will always blow before an upstream 100A fuse. False was the answer. Why is this? The article included essentially stated that the 30A...
  
  Last post by gchoquette 1 Week Ago
More topics: Electrical Testing Talk | Relay Testing Talk | Safety & Arc-Flash | NETA Exam Prep | NICET Certification Talk
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Technical Articles
- 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 3 Weeks Ago
- 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
- Protective Relay Testing and Maintenance Overview
  
  A comprehensive overview of inspection and test procedures for protective relays in electrical power systems. Continue Reading
  
  Posted By testguy November 22, 2018
- Surge Arresters: Selection, Application and Testing Overview
  
  A comprehensive guide to surge arrester selection, application, maintenance and testing. Continue Reading
  
  Posted By testguy November 9, 2018
- Ground Fault Protection Systems: Performance Testing Basics
  
  This guide provides a general overview of inspection and test procedures for simple residual and zero-sequence ground fault protection systems. Continue Reading
  
  Posted By testguy June 6, 2018
- Power Cable Testing and Diagnostics Overview
  
  This article provides an overview of some commonly used maintenance and diagnostic techniques that are commercially available for performing tests in the field on medium- and high-voltage power... Continue Reading
  
  Posted By testguy May 2, 2018
More Technical Articles...
Popular on TestGuy
- Study Group on Discord?
  
  NETA Level 3 Exam 19
  
  I have been given access to start a study group on Discord for test prep. I am thinking once or twice a week we meet and discuss topics and learn together as...
  
  Last post by SecondGen June 7, 2019
- What’s the best way to operate power dB
  
  Electrical Testing Talk 14
  
  What do you guys use for computers and the best way to set up power dB without failing? Operating this system is awesome...when it works. Either having...
  
  Last post by Nick1234 January 20, 2020
- NETA III Test April 2019
  
  NETA Level 3 Exam 14
  
  This exam was harder than the previous one. It asked more practical field questions than straight and direct questions. Multiply: magnitude 15 at 30 degrees...
  
  Last post by clipboardwarrior February 23, 2020
- Transformer power factor under vacuum
  
  Electrical Testing Talk 13
  
  What effect, if any, does negative tank pressure have on transformer power factor? I've never known of it being an issue but another tech on site seems to...
  
  Last post by SecondGen August 5, 2019
- Building fundamental knowledge of Relay Protection
  
  P&C / Relay Testing Talk 13
  
  Hey all, So I've been placed in the Relay team at work and have been at it for nearly 2 months. The most notable work experience so far has been terminating...
  
  Last post by KungFuMonk February 19, 2020
- What test reporting software are you using?
  
  Electrical Testing Talk 12
  
  We are still on PowerDB 10 and it’s a nightmare, constant problems with getting job history and synchronizing our data. It could be the way we are using it,...
  
  Last post by amlawren 5 Hours Ago
- NETA III Test Feb 2020
  
  NETA Level 3 Exam 10
  
  I would say about 25% of the questions on the exam were on this forum.
  
  Last post by clipboardwarrior 2 Weeks Ago
- Circuit Breaker Simulator
  
  P&C / Relay Testing Talk 10
  
  Does any have or use a CB simulator during functional relay testing? Haven't had much luck looking else wear online. If you do, can you provide any details you...
  
  Last post by Gsharpes February 11, 2020
More topics: Electrical Testing Talk | Relay Testing Talk | Safety & Arc-Flash | NETA Exam Prep | NICET Certification Talk
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Electrical Testing Forum
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Certification Forum
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3. NETA Level 4 Exam
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4. NICET Electrical Power Testing
  
  Discuss the NICET Electrical Power Testing certification (Level 1-4).
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I've recently went and visited an Omicron facility in Houston. We went for the line impedance testing abilities, but while we were there I was able to ask...

I took the NETA IV exam this Monday. There was maybe one or two questions from this entire site on the exam!!!

A 20,000 ohm/volt meter will have an internal resistance of ______ on the ten volt scale. Help: internal resistance = ohm/volt * scale volts How do you...

Does anyone have an explanation for high C2 readings when Doble testing transformer bushings? The test was on a three winding transformer. All C2 values...

We are still on PowerDB 10 and it’s a nightmare, constant problems with getting job history and synchronizing our data. It could be the way we are using it,...

• Codes and Standards 34. In accordance with NETA and IEEE standards the correct maintenance test voltage (dc) for 5KV rated EPR 133% insulation level cable...

Just wondering on some theory info about long bus runs on contact resistance testing prior to putting equipment into service. Testing it at 10A VS 100A, does...

A downstream 30A fuse will always blow before an upstream 100A fuse. False was the answer. Why is this? The article included essentially stated that the 30A...

I have been given access to start a study group on Discord for test prep. I am thinking once or twice a week we meet and discuss topics and learn together as...

What do you guys use for computers and the best way to set up power dB without failing? Operating this system is awesome...when it works. Either having...

This exam was harder than the previous one. It asked more practical field questions than straight and direct questions. Multiply: magnitude 15 at 30 degrees...

What effect, if any, does negative tank pressure have on transformer power factor? I've never known of it being an issue but another tech on site seems to...

Hey all, So I've been placed in the Relay team at work and have been at it for nearly 2 months. The most notable work experience so far has been terminating...

We are still on PowerDB 10 and it’s a nightmare, constant problems with getting job history and synchronizing our data. It could be the way we are using it,...

I would say about 25% of the questions on the exam were on this forum.

Does any have or use a CB simulator during functional relay testing? Haven't had much luck looking else wear online. If you do, can you provide any details you...

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