Join the #1 Electrical Testing Network

TestGuy is a free online community dedicated to the fine art of power distribution testing, maintenance and troubleshooting. We offer resources to help field technicians gain the knowledge necessary to properly test, assess, and validate electrical equipment.

Check us out on social media

Trending Now
- Free Classes During the Pandemic
  
  Electrical Testing Talk 4
  
  Hi! I was just wondering if anyone knew of available classes during the pandemic. I know Omicron has been putting on several classes for free. Does...
  
  Last post by SecondGen 6 Days Ago
- Blown fuse protective devices
  
  NETA Level 2 Exam 8
  
  On which of the following pieces of equipment would you most likely NOT find a blown fuse protective device?
  
  Last post by SecondGen 1 Week Ago
- Excel Calculator
  
  Electrical Testing Talk 0
  
  What do you guys do to help remember calculations? I'm in front of a computer all day using PowerDB. I try to share calculations with our "younger/newer" guys....
  
  Last post by ElectricalTestTech 1 Week Ago
- Load tap changer location
  
  Electrical Testing Talk 2
  
  Does anyone know how to tell if a load tap changer is connected to the line end or neutral end of a winding? This seems to make a difference with the oil...
  
  Last post by ElectricalTestTech 1 Week Ago
More topics: Electrical Testing Talk | Relay Testing Talk | Safety & Arc-Flash | NETA Exam Prep | NICET Certification Talk
Test Your Knowledge

Sharpen your skills with our collection of quizzes on electrical safety, maintenance & testing of electrical equipment and industry standards.
Tech Quiz Study Guide
Technical Articles
- 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
- 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
- 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
More Technical Articles...
Popular on TestGuy
- What’s the best way to operate power dB
  
  Electrical Testing Talk 14
  
  What do you guys use for computers and the best way to set up power dB without failing? Operating this system is awesome...when it works. Either having...
  
  Last post by Nick1234 January 20, 2020
- Building fundamental knowledge of Relay Protection
  
  P&C / Relay Testing Talk 13
  
  Hey all, So I've been placed in the Relay team at work and have been at it for nearly 2 months. The most notable work experience so far has been terminating...
  
  Last post by Timotheus April 7, 2020
- Circuit Breaker Simulator
  
  P&C / Relay Testing Talk 12
  
  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 RelayBill April 4, 2020
- What test reporting software are you using?
  
  Electrical Testing Talk 12
  
  We are still on PowerDB 10 and it’s a nightmare, constant problems with getting job history and synchronizing our data. It could be the way we are using it,...
  
  Last post by amlawren April 2, 2020
- NETA III Test Feb 2020
  
  NETA Level 3 Exam 10
  
  I would say about 25% of the questions on the exam were on this forum.
  
  Last post by clipboardwarrior March 19, 2020
- 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 October 27, 2019
- Community Posting Competition Fall 2019 - Enter to win cool prizes!
  
  News and Announcements 9
  
  As part of our ongoing effort to make this community the best it can possibly be for our members, we are pleased to kick off yet another community posting...
  
  Last post by testguy December 6, 2019
- Exam permitted materials
  
  NETA Level 2 Exam 9
  
  What, if any, reference material is allowed when sitting a NETA test exam. Can you bring ATS/MTS, NFPA 70/E, etc? I know there is a Calculator on screen and...
  
  Last post by Kalbi_Rob November 25, 2019
More topics: Electrical Testing Talk | Relay Testing Talk | Safety & Arc-Flash | NETA Exam Prep | NICET Certification Talk
Explore by Tag

acceptance testing circuit breakers codes and standards current transformers electrical calculations electrical theory ground fault insulation testing low voltage maintenance testing neta certification neta exam neta exam questions neta exam tips neta level 2 neta level 3 neta level 4 neta study tips primary injection protection and control protective relays rotating machinery safety and arc-flash software substations switchgear test and measurement test equipment test procedures transformers

Electrical Testing Forum
1. Electrical Testing Talk
  ⁶⁹
  
  Discuss apparatus testing, covering all equipment and voltage classes.
  Last post in
  Free Classes During the...
  
  by
  SecondGen
  
  View Profile
  
  View Forum Posts
  
  View Articles
  
  6 Days Ago
2. P&C / Relay Testing Talk
  ²
  
  Discuss protective relaying and control schemes.
  Last post in
  Protection Relay ALSOM P14DL
  
  by
  Novice_PLC
  
  View Profile
  
  View Forum Posts
  
  View Articles
  
  April 15, 2020
3. Safety and Arc Flash Talk
  ²
  
  Share electrical safety tips and talk about staying safe on the job site.
  Last post in
  Electrical Safety...
  
  by
  test11
  
  View Profile
  
  View Forum Posts
  
  View Articles
  
  April 22, 2020
Certification Forum
1. NETA Level 2 Exam
  ³⁶
  
  Discuss the NETA Level II Assistant ETT exam.
  Last post in
  Blown fuse protective devices
  
  by
  SecondGen
  
  View Profile
  
  View Forum Posts
  
  View Articles
  
  1 Week Ago
2. NETA Level 3 Exam
  ¹⁸
  
  Discuss the NETA Level III Certified ETT exam.
  Last post in
  Wind generators
  
  by
  Alphonso
  
  View Profile
  
  View Forum Posts
  
  View Articles
  
  2 Weeks Ago
3. NETA Level 4 Exam
  ⁴
  
  Discuss the NETA Level IV Senior ETT exam.
  Last post in
  I just passed my NETA IV exam
  
  by
  cotton
  
  View Profile
  
  View Forum Posts
  
  View Articles
  
  2 Weeks Ago
4. NICET Electrical Power Testing
  
  Discuss the NICET Electrical Power Testing certification (Level 1-4).
  Last post in
  NICET exams vs. NETA exams?
  
  by
  balugalou
  
  View Profile
  
  View Forum Posts
  
  View Articles
  
  January 13, 2020
General Discussion Forum
1. Career Opportunities
  
  Get Hired! Browse premium job listings from electrical testing companies and vendors worldwide.
  Last post in
  Find a NETA or NICET Company
  
  by
  testguy
  
  View Profile
  
  View Forum Posts
  
  View Articles
  
  August 2, 2019
2. News and Announcements
  ³
  
  Look here for special announcements and other news from the testguy team.
  Last post in
  TestGuy App testing now open...
  
  by
  testguy
  
  View Profile
  
  View Forum Posts
  
  View Articles
  
  January 22, 2020

What's Going On?

Currently Active Users

There are currently 500 users online. 2 members and 498 guests

Most users ever online was 3,267, November 1, 2019 at 02:37 AM.

TestGuy Statistics

Threads: 1,026
Posts: 4,260
Members: 14,951

Welcome to our newest member, samborjes

Icon Legend

	Contains unread forum posts
	Contains no unread forum posts
	Forum is a category
	Forum is a Link

Follow Us

Hi! I was just wondering if anyone knew of available classes during the pandemic. I know Omicron has been putting on several classes for free. Does...

On which of the following pieces of equipment would you most likely NOT find a blown fuse protective device?

What do you guys do to help remember calculations? I'm in front of a computer all day using PowerDB. I try to share calculations with our "younger/newer" guys....

Does anyone know how to tell if a load tap changer is connected to the line end or neutral end of a winding? This seems to make a difference with the oil...

What do you guys use for computers and the best way to set up power dB without failing? Operating this system is awesome...when it works. Either having...

Hey all, So I've been placed in the Relay team at work and have been at it for nearly 2 months. The most notable work experience so far has been terminating...

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...

We are still on PowerDB 10 and it’s a nightmare, constant problems with getting job history and synchronizing our data. It could be the way we are using it,...

I would say about 25% of the questions on the exam were on this forum.

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...

As part of our ongoing effort to make this community the best it can possibly be for our members, we are pleased to kick off yet another community posting...

What, if any, reference material is allowed when sitting a NETA test exam. Can you bring ATS/MTS, NFPA 70/E, etc? I know there is a Calculator on screen and...

What's Going On?

Currently Active Users

TestGuy Statistics

Icon Legend

Follow us

Explore TestGuy

NETA Certification Training

NICET Electrical Power Testing

Help and Support