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- NETA LVL 2 exam PASS!
  
  NETA Level 2 Exam 0
  
  Finally passed yesterday, this was my second attempt, my first being 2 years ago. I used Test guy sparingly the first attempt, but this time completed 1-4...
  
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- Primary Current Injection instantenous Pickup
  
  Electrical Testing Talk 15
  
  Hi guys, I need a help. In NETA ATS there is a sentence like "Determine instantaneous pickup by primary current injection." In my project some of the MCCB's...
  
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- NETA 4 Exam Questions 7/2018
  
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  I took the NETA IV exam this Monday. There was maybe one or two questions from this entire site on the exam!!!
  
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- Circuit Breaker Simulator
  
  P&C / Relay Testing Talk 13
  
  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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- Applying a solidly grounded wire after hipot test
  
  NETA Level 2 Exam 5
  
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- Help, please
  
  NETA Level 3 Exam 0
  
  What method would you use to ratio test CTs inside of an oil filled transformer? I thought it would be via excitation method, but I was incorrect. Does...
  
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- Why We Test
  
  Safety and Arc Flash Talk 3
  
  I'm sure this post will seem very redundant to some, but one can never reiterate enough the importance of testing prior to energizing. Just within the past...
  
  Last post by darinlamos 5 Days Ago
- Wye-delta transformer secondary line current
  
  NETA Level 2 Exam 2
  
  A wye-delta transformer has a turns ratio of 2:1. It has a secondary line voltage of 480 V. The secondary is connected to a wye-connected three-phase resistive...
  
  Last post by darinlamos 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
- 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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- Number of cycles completed in one second
  
  NETA Level 2 Exam 14
  
  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 RabbleRabble November 29, 2020
- NETA Governance
  
  Electrical Testing Talk 11
  
  I think NETA is influenced by some specific testing companies. Also they govern NETA test. Who will agree with this?
  
  Last post by southbury September 5, 2020
- 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...
  
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- 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...
  
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- Surge arrester testing(34.5kv, 161kv, 330kv)
  
  Electrical Testing Talk 8
  
  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...
  
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- Testing Guide for new Engineers
  
  Electrical Testing Talk 7
  
  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...
  
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- Electrical Safety Consideration While Performance Current Injection Test
  
  Safety and Arc Flash Talk 7
  
  Hello All, I'm interestion to know what exact safety concerns might happen in the scenario of primary and secondary injection testing respectively. ...
  
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- 15kv rated vacuum breaker 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
More topics: Electrical Testing Talk | Relay Testing Talk | Safety & Arc-Flash | NETA Exam Prep | NICET Certification Talk
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Finally passed yesterday, this was my second attempt, my first being 2 years ago. I used Test guy sparingly the first attempt, but this time completed 1-4...

Hi guys, I need a help. In NETA ATS there is a sentence like "Determine instantaneous pickup by primary current injection." In my project some of the MCCB's...

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

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...

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

What method would you use to ratio test CTs inside of an oil filled transformer? I thought it would be via excitation method, but I was incorrect. Does...

I'm sure this post will seem very redundant to some, but one can never reiterate enough the importance of testing prior to energizing. Just within the past...

A wye-delta transformer has a turns ratio of 2:1. It has a secondary line voltage of 480 V. The secondary is connected to a wye-connected three-phase resistive...

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...

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...

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...

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 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...

Hello All, I'm interestion to know what exact safety concerns might happen in the scenario of primary and secondary injection testing respectively. ...

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

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