TestGuy Electrical Testing Network

Topic	Replies	Views	Activity
Troubleshoot 3 PHASE FAULT - RELAY MISOPERATION General Discussion protection-relays , circuit-breakers	2	45	March 16, 2026
Nitrogen Filling Liquid Transformers (Live)? Electrical Testing Talk electrical-theory , codes-and-standards , transformers	8	289	March 13, 2026
Nicet exams are much different than Neta? NICET Electrical Power Testing neta-level-3 , neta-level-2	9	2265	March 1, 2026
Megger SPI Test Set Opinions Electrical Testing Talk circuit-breakers , tools-equipment , test-procedures	3	183	February 24, 2026
Report Tech Quiz Issues Here Help and Support	89	4401	February 17, 2026
NICET EPT 2 Exam Certification Forum	3	237	February 16, 2026
Creative ways of testing HV circuit breakers Apparatus Testing circuit-breakers , test-procedures	3	834	February 4, 2026
4 minutes tan delta (TD) where it comes from ? Apparatus Testing	0	79	January 28, 2026
Tettex 2293 External Software communication Apparatus Testing tools-equipment , test-procedures	3	369	January 23, 2026
NETA Level 3 (2023) Resting Advice NETA Level 3 Exam neta-level-3	7	2737	January 20, 2026
Taking NETA 3 in a few weeks NETA Level 3 Exam	1	247	January 19, 2026
We Value Your Feedback - Help Us Improve Help and Support	9	2770	January 16, 2026
Anyone have a curve for a 150 A Siemens QR23B150? Electrical Testing Talk circuit-breakers , test-procedures	1	61	January 16, 2026
Basic Electrical Theory: The Fundamental Laws of Electricity Technical Notes electrical-theory	0	59915	June 5, 2016
Siemens WL breaker locked in closed position General Discussion circuit-breakers	1	124	January 13, 2026
Pfisterer mv cable term test adapter? Electrical Testing Talk	0	48	December 19, 2025
Nitrogen filling for liquid filled transformers? Electrical Testing Talk electrical-theory , transformers , test-procedures	3	2578	November 26, 2025
Electrical Substation Bus Schemes Explained Articles codes-and-standards	0	57122	August 15, 2016
Fiber Optic Cable Fundamentals and Testing Explained Articles cables-and-busway , test-procedures	0	23455	January 18, 2022
LV breaker testing with MAC-21 test set Apparatus Testing circuit-breakers , electrical-theory , test-procedures	1	183	October 1, 2025
Primary Injection test set retrofit General Discussion tools-equipment	1	130	October 1, 2025
Beyond the Basics: Advanced Electrical Testing Methods Explained Articles neta-level-3 , neta-level-2 , electrical-theory , test-procedures	0	1193	June 9, 2025
SFRA Insights: Understanding Low, Mid, and High Frequencies Technical Notes test-procedures , codes-and-standards , transformers	0	539	September 24, 2025
Insulation Quality: The Five Key Causes of Insulation Degradation Articles insulation-testing , electrical-theory , test-procedures	1	759	September 24, 2025
Passed My NETA LEVEL 2 exam, some pointers for anyone studying NETA Level 2 Exam neta-level-2	5	4353	September 18, 2025
Insulation Resistance Testing Quick Tips Technical Notes test-procedures	0	11878	October 15, 2022
How primary and secondary phase verification is accomplished.what equipment is required Relay Testing protection-relays , test-procedures , codes-and-standards	1	227	September 9, 2025
Winding resistance test of transformer Apparatus Testing test-procedures , codes-and-standards , transformers	2	282	September 9, 2025
Primary Injection Test Pins Electrical Testing Talk tools-equipment , circuit-breakers , test-procedures	5	441	September 2, 2025
Circulating Current in Two Transformers on Different Taps NETA Level 4 Exam electrical-theory , neta-level-4 , transformers	3	841	September 2, 2025