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- testing Guide for new Engineers
  
  Electrical Testing Talk 2
  
  Hello guys, I hope you all are doing well. I want to learn Designing, Testing and Relay testing. I have 7 years of experience in substation projects but I...
  
  Last post by Waqas2121 3 Hours Ago
- Surge arrester testing(34.5kv, 161kv, 330kv)
  
  Electrical Testing Talk 2
  
  What's the appropriate test can I perform on my surge arrester(Lighting arrester) both polymer and porcelain type. Assist me with drawings/sketches of the test...
  
  Last post by Ronwilson1801 1 Day Ago
- How to Reset SEL 351 Relays on Factory Defaults
  
  P&C / Relay Testing Talk 4
  
  hello all, I need help to reset my sel351s relays on factory defaults Level 2 =>>R_S Not allowed thank you
  
  Last post by Js20981 3 Days Ago
- Expected contact resistance measurement based on breaker frame size
  
  Electrical Testing Talk 5
  
  Here is a pop quiz: What is the expected contact-resistance measurement for a 4000A 480V air circuit breaker in good condition? This question might be...
  
  Last post by krunal 3 Days Ago
- Critical Point on an OC relay
  
  P&C / Relay Testing Talk 1
  
  What determines the critical point of an OC relay? We already have a curve value for the relay and TD setting and are able to determine the time value for...
  
  Last post by Kalbi_Rob 3 Days Ago
- Number of cycles completed in one second
  
  NETA Level 2 Exam 2
  
  2. The number of cycles completed in one second is called the Your Answer: hertz marked incorrect Hertz — A unit of measure for frequency. Replacing the...
  
  Last post by Kalbi_Rob 4 Days Ago
- NICET exams vs. NETA exams?
  
  NICET Electrical Power Testing 9
  
  Any of you folks know how the NICET power test exams compare to the NETA exams? I've gone through NETA 2, 3 and 4, and passed them. I'm looking to knock out...
  
  Last post by jebbaker78 4 Days Ago
- Surge Arrester Testing
  
  Electrical Testing Talk 4
  
  Hi All, Can anyone tell me recommended or minimum requirement of Surge Arrester Site Acceptance Test that we can perform at site? It would be helpful for...
  
  Last post by Partha 5 Days Ago
More topics: Electrical Testing Talk | Relay Testing Talk | Safety & Arc-Flash | NETA Exam Prep | NICET Certification Talk
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Technical Articles
- 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 2 Weeks Ago
- 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
- 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
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Popular on TestGuy
- 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
- 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 Timotheus April 7, 2020
- Circuit Breaker Simulator
  
  P&C / Relay Testing Talk 12
  
  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 RelayBill April 4, 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 April 2, 2020
- 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 March 19, 2020
- How do you Defeat Ground Fault with Primary Injection on Eaton 310+? Trip Unit
  
  Electrical Testing Talk 10
  
  Does anyone know how to defeat ground fault on these trip units during primary injection? I know you can series the contacts but that is a pain. Im wondering...
  
  Last post by Kimbo Slice October 27, 2019
- Community Posting Competition Fall 2019 - Enter to win cool prizes!
  
  News and Announcements 9
  
  As part of our ongoing effort to make this community the best it can possibly be for our members, we are pleased to kick off yet another community posting...
  
  Last post by testguy December 6, 2019
- Determine total reactive resistance of this circuit
  
  NETA Level 3 Exam 9
  
  This question appeared on the NETA III exam. Find the total reactance in this circuit. I distinctly remember it because it was the very first question to...
  
  Last post by Kalbi_Rob August 17, 2019
More topics: Electrical Testing Talk | Relay Testing Talk | Safety & Arc-Flash | NETA Exam Prep | NICET Certification Talk
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Certification Forum
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4. NICET Electrical Power Testing
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Hello guys, I hope you all are doing well. I want to learn Designing, Testing and Relay testing. I have 7 years of experience in substation projects but I...

What's the appropriate test can I perform on my surge arrester(Lighting arrester) both polymer and porcelain type. Assist me with drawings/sketches of the test...

hello all, I need help to reset my sel351s relays on factory defaults Level 2 =>>R_S Not allowed thank you

Here is a pop quiz: What is the expected contact-resistance measurement for a 4000A 480V air circuit breaker in good condition? This question might be...

What determines the critical point of an OC relay? We already have a curve value for the relay and TD setting and are able to determine the time value for...

2. The number of cycles completed in one second is called the Your Answer: hertz marked incorrect Hertz — A unit of measure for frequency. Replacing the...

Any of you folks know how the NICET power test exams compare to the NETA exams? I've gone through NETA 2, 3 and 4, and passed them. I'm looking to knock out...

Hi All, Can anyone tell me recommended or minimum requirement of Surge Arrester Site Acceptance Test that we can perform at site? It would be helpful for...

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...

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...

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...

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 anyone know how to defeat ground fault on these trip units during primary injection? I know you can series the contacts but that is a pain. Im wondering...

As part of our ongoing effort to make this community the best it can possibly be for our members, we are pleased to kick off yet another community posting...

This question appeared on the NETA III exam. Find the total reactance in this circuit. I distinctly remember it because it was the very first question to...

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