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- Can anyone recommend some good DLRO leads/test probes?
  
  Electrical Testing Talk 10
  
  Has anyone found a set of ductor test leads/probes that can withstand industrial shut down environments / harsh conditions. The delicate spring loaded ones...
  
  Last post by Kalbi_Rob 3 Hours Ago
- Taking a NETA exam without everyday resources
  
  NETA Level 3 Exam 3
  
  Can someone please explain the logic behind taking a NETA exam without being given the everyday resources we have in the field? When we take the JW or Master...
  
  Last post by jbozarth 1 Day Ago
- NICET exams vs. NETA exams?
  
  NICET Electrical Power Testing 6
  
  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 Jmassman 2 Days Ago
- Anyone take the NETA III test this cycle?
  
  NETA Level 3 Exam 3
  
  Nobody at my place has taken the NETA 3 this cycle so was wondering if anyone has and has helpful hints.
  
  Last post by mbaxter1 2 Days Ago
- What will each wattmeter indicate?
  
  NETA Level 3 Exam 6
  
  Three coils with a resistance of 4 ohms and impedance of 13 ohms each are connected in wye to a 120/208 Volt panel. What will each wattmeter indicate if three...
  
  Last post by anthony 4 Days Ago
- Circuit Breaker Simulator
  
  P&C / Relay Testing Talk 5
  
  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 civancoskun 4 Days Ago
- GE 869 - Reactive Loads and Incorrect Metering
  
  P&C / Relay Testing Talk 0
  
  Hi everyone, Today I was working with an 869 relay which was metering incorrectly. The relay was monitoring a breaker and motor fed from a VFD. Although...
  
  Last post by Bob_Woodward 5 Days Ago
- How to Size Transformer Neutral Resistor
  
  NETA Level 3 Exam 4
  
  Can someone explain how to size a transformer neutral resistor for limiting fault current? For example: What size neutral resistor would be required to limit...
  
  Last post by joeldjiogo 6 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
- 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
More Technical Articles...
Popular on TestGuy
- Study Group on Discord?
  
  NETA Level 3 Exam 19
  
  I have been given access to start a study group on Discord for test prep. I am thinking once or twice a week we meet and discuss topics and learn together as...
  
  Last post by SecondGen June 7, 2019
- Transformer power factor under vacuum
  
  Electrical Testing Talk 13
  
  What effect, if any, does negative tank pressure have on transformer power factor? I've never known of it being an issue but another tech on site seems to...
  
  Last post by SecondGen August 5, 2019
- NETA III Test April 2019
  
  NETA Level 3 Exam 11
  
  This exam was harder than the previous one. It asked more practical field questions than straight and direct questions. Multiply: magnitude 15 at 30 degrees...
  
  Last post by jfoster 2 Weeks Ago
- 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 2 Weeks Ago
- Power Factor 15kV Vac Breakers
  
  Electrical Testing Talk 9
  
  In the NETA ATS and MTS power factor testing for a medium voltage vac breaker is an optional test. I don't believe it is a recognized test by manufacturers....
  
  Last post by Zog August 14, 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
- ANSI/IEEE Device Numbers on NETA II Exam
  
  NETA Level 2 Exam 8
  
  Hi everyone, What are the key device numbers to have memorized for the NETA Level II Exam
  
  Last post by Warrengarber August 21, 2019
- 5,000A Magnum SB Ground Fault verification
  
  Electrical Testing Talk 8
  
  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 December 17, 2018
More topics: Electrical Testing Talk | Relay Testing Talk | Safety & Arc-Flash | NETA Exam Prep | NICET Certification Talk
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4. NICET Electrical Power Testing
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Has anyone found a set of ductor test leads/probes that can withstand industrial shut down environments / harsh conditions. The delicate spring loaded ones...

Can someone please explain the logic behind taking a NETA exam without being given the everyday resources we have in the field? When we take the JW or Master...

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...

Nobody at my place has taken the NETA 3 this cycle so was wondering if anyone has and has helpful hints.

Three coils with a resistance of 4 ohms and impedance of 13 ohms each are connected in wye to a 120/208 Volt panel. What will each wattmeter indicate if three...

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...

Hi everyone, Today I was working with an 869 relay which was metering incorrectly. The relay was monitoring a breaker and motor fed from a VFD. Although...

Can someone explain how to size a transformer neutral resistor for limiting fault current? For example: What size neutral resistor would be required to limit...

I have been given access to start a study group on Discord for test prep. I am thinking once or twice a week we meet and discuss topics and learn together as...

What effect, if any, does negative tank pressure have on transformer power factor? I've never known of it being an issue but another tech on site seems to...

This exam was harder than the previous one. It asked more practical field questions than straight and direct questions. Multiply: magnitude 15 at 30 degrees...

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...

In the NETA ATS and MTS power factor testing for a medium voltage vac breaker is an optional test. I don't believe it is a recognized test by manufacturers....

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...

Hi everyone, What are the key device numbers to have memorized for the NETA Level II 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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