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- XFMR test question - wye-delta TTR
  
  NETA Level 2 Exam (9 replies)
  
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More topics: Electrical Testing Talk | Safety & Arc-Flash | NETA Exam Prep
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Technical Articles
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  This guide provides a basic overview of zone selective interlocking principles and test procedures. Continue Reading
  
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  An introduction to transformer winding resistance test methods and procedures. Continue Reading
  
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- 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
  
  Posted By testguy December 10, 2017
- 10 Electrical Distribution System Arrangements Explained
  
  The selection of a distribution arrangement has a profound impact upon the reliability and maintainability of the electrical system. Continue Reading
  
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- Transformer Diagnostics and Condition Assessment
  
  Determining the existing condition of power transformers is an essential step in analyzing the risk of failure. Continue Reading
  
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- 6 electrical tests for Current Transformers explained
  
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- Level III Questions, seen recently (from memory bear with me), help?
  
  NETA Level 3 Exam (29 replies)
  
  I've got a few questions I saw on the exam recently: 1: Which oil test is not required on silicone transformer oil? 2: What is the best way to test a...
  
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- XFMR test question - wye-delta TTR
  
  NETA Level 2 Exam (9 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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More topics: Electrical Testing Talk | Safety & Arc-Flash | NETA Exam Prep
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I was doing an infrared scan for an electrical contractor on a 120V 1200A distribution board, and as they were closing up the front cover, one of the panel...

So, I've been quizzed to answer this question. What is the basis for the 50V (30V) limit for de-energized work, and where do you find it written? I am...

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...

Here are some recent questions from the Level 2, they were given to me by a co-worker who took the exam in October. 1. What connections are on a DLRO...

I've got a few questions I saw on the exam recently: 1: Which oil test is not required on silicone transformer oil? 2: What is the best way to test a...

i'm going april 27th anyone taken it this cycle already?

I’m not sure if you guys know, but every month Megger offers a free webinar. Once you sign up for one, you get notifications via email of the next upcoming...

I've got a few questions I saw on the exam recently: 1: Which oil test is not required on silicone transformer oil? 2: What is the best way to test a...

Had an interesting discussion on the job today about shorting together transformer windings when doing a PI test. Every technical manual I've come across tells...

Has anyone passed the level 2 since they changed it? If so, could you give some pointers as to what kind of material it covers/what to study? I'm taking it...

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...

Here are some recent questions from the Level 2, they were given to me by a co-worker who took the exam in October. 1. What connections are on a DLRO...

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