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- Battery Bank Maintenance
  
  Electrical Testing Talk (0 replies)
  
  Hey there, I was hoping to get a response in regards to battery bank testing and maintenance for DC supply in a Substation, switch yard. Many years my company...
  
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- How hard is the NETA level 3 test compared to level 2?
  
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  how much harder is the neta 3 in comparison to the neta 2 test?
  
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- XFMR test question - wye-delta TTR
  
  NETA Level 2 Exam (12 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...
  
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- Lead acid batteries
  
  NETA Level 3 Exam (1 replies)
  
  The question reads " In a Lead Acid battery, _______ is released at the positive and ________ is released at the negative, I answered Hydrogen and oxygen. It...
  
  Last post by Wanderer20001us 1 Day Ago
- What type of switch is required for an incoming service of 3000-4000A?
  
  NETA Level 2 Exam (0 replies)
  
  I guessed (incorrectly) that the answer was a "metal enclosed isolation switch," and my rationale was mostly centered around the isolation aspect. Does anyone...
  
  Last post by IncredibleGreg 2 Days Ago
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Technical Articles
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  This guide provides a basic overview of the theory and procedures involved with infrared scanning electrical distribution 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
  
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- Zone Selective Interlocking (ZSI) Basic Principles
  
  This guide provides a basic overview of zone selective interlocking principles and test procedures. Continue Reading
  
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- XFMR test question - wye-delta TTR
  
  NETA Level 2 Exam (12 replies)
  
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More topics: Electrical Testing Talk | Relay Testing Talk | Safety & Arc-Flash | NETA Exam Prep | NICET Certification Talk
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Hey there, I was hoping to get a response in regards to battery bank testing and maintenance for DC supply in a Substation, switch yard. Many years my company...

how much harder is the neta 3 in comparison to the neta 2 test?

how do you demagnetize a transformer?

What is the expected Maximum Trip Time (in Seconds) for a 240V, 400A molded-case circuit breaker inverse time test at 300% of Rated Continuous Current? 230...

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...

The question reads " In a Lead Acid battery, _______ is released at the positive and ________ is released at the negative, I answered Hydrogen and oxygen. It...

I guessed (incorrectly) that the answer was a "metal enclosed isolation switch," and my rationale was mostly centered around the isolation aspect. Does anyone...

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...

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...

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

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...

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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The question reads " In a Lead Acid battery, _ is released at the positive and __ is released at the negative, I answered Hydrogen and oxygen. It...