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  A primary injection is to be performed on a transformer rated 138kV/25kV, 2500kVA, 8%Z using a 480V generator connected to the high side with the low side...
  
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  Up to what power rating of transformers is horn gap protection applied? Your Answer: 1000 KVA
  
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  NETA Level 3 Exam (0 replies)
  
  The type of bridging impedance most commonly used on a load tap changer is the: Your Answer: None of the above
  
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  What method would you use to ratio CTs inside of an oil filled transformer? Your Answer: Current method
  
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- Need help with this question.
  
  NETA Level 4 Exam (0 replies)
  
  Up to what power rating of transformers is horn gap protection applied? Your Answer: 2000 KVA
  
  Last post by Computer 11 Hours Ago
- 5,000A Magnum SB Ground Fault verification
  
  Electrical Testing Talk (8 replies)
  
  Does anyone have experience doing a Ground Fault verification through a neutral CT on a 5,000A Magnum SB main Breaker with a Digitrip 520 trip unit?
  
  Last post by MrBolt 1 Day Ago
- Confusing question on NETA 2 practice test
  
  NETA Level 2 Exam (1 replies)
  
  Hey all, I was taking the NETA 2 practice test when I encountered a question with what appeared to have two right answers. The question simply said "47" in...
  
  Last post by Wanderer20001us 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
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  A comprehensive overview of inspection and test procedures for protective relays in electrical power systems. Continue Reading
  
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  A comprehensive guide to surge arrester selection, application, maintenance and testing. Continue Reading
  
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- 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
  
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- 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
- Zone Selective Interlocking (ZSI) Basic Principles
  
  This guide provides a basic overview of zone selective interlocking principles and test procedures. Continue Reading
  
  Posted By testguy April 6, 2018
- Transformer Winding Resistance Testing Explained
  
  An introduction to transformer winding resistance test methods and procedures. Continue Reading
  
  Posted By testguy March 18, 2018
- Electrical Shock and Arc Flash PPE Overview
  
  This guide provides an overview of PPE that may be required for safe electrical work, including insulated gloves, arc flash clothing, insulated tools and other electrical protective equipment. Continue Reading
  
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- NETA Holding Q2 Scores Until Late September???!!!!!
  
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  Just took the exam, which only had a handful of questions from the practice exams (I still believe I passed), but there was no score at the end and the paper...
  
  Last post by Wanderer20001us October 10, 2018
- NETA Level III Study Group??
  
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  Would anyone like to participate in a online study group? I have tried passing this exam three times now and each time I am a little closer but still not...
  
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- XFMR test question - wye-delta TTR
  
  NETA Level 2 Exam (10 replies)
  
  A wye-delta transformer has a primary line voltage of 7200 V and a secondary line voltage of 480 V. What is the turns ratio? Your Answer: 15:1 Not sure...
  
  Last post by hy3533 July 3, 2018
- NETA IV TEST
  
  NETA Level 4 Exam (8 replies)
  
  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 1electricalguru July 23, 2018
- 5,000A Magnum SB Ground Fault verification
  
  Electrical Testing Talk (8 replies)
  
  Does anyone have experience doing a Ground Fault verification through a neutral CT on a 5,000A Magnum SB main Breaker with a Digitrip 520 trip unit?
  
  Last post by MrBolt 1 Day Ago
More topics: Electrical Testing Talk | Relay Testing Talk | Safety & Arc-Flash | NETA Exam Prep | NICET Certification Talk
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A primary injection is to be performed on a transformer rated 138kV/25kV, 2500kVA, 8%Z using a 480V generator connected to the high side with the low side...

Up to what power rating of transformers is horn gap protection applied? Your Answer: 1000 KVA

The type of bridging impedance most commonly used on a load tap changer is the: Your Answer: None of the above

What method would you use to ratio CTs inside of an oil filled transformer? Your Answer: Current method

Up to what power rating of transformers is horn gap protection applied? Your Answer: 2000 KVA

Does anyone have experience doing a Ground Fault verification through a neutral CT on a 5,000A Magnum SB main Breaker with a Digitrip 520 trip unit?

Hey all, I was taking the NETA 2 practice test when I encountered a question with what appeared to have two right answers. The question simply said "47" in...

Just took the exam, which only had a handful of questions from the practice exams (I still believe I passed), but there was no score at the end and the paper...

Would anyone like to participate in a online study group? I have tried passing this exam three times now and each time I am a little closer but still not...

A wye-delta transformer has a primary line voltage of 7200 V and a secondary line voltage of 480 V. What is the turns ratio? Your Answer: 15:1 Not sure...

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

Does anyone have experience doing a Ground Fault verification through a neutral CT on a 5,000A Magnum SB main Breaker with a Digitrip 520 trip unit?

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