TestGuy Electrical Testing Network

Topic	Replies	Views	Activity
Report Tech Quiz Issues Here Help and Support	88	4029	February 5, 2026
Creative ways of testing HV circuit breakers Apparatus Testing circuit-breakers , test-procedures	3	770	February 4, 2026
4 minutes tan delta (TD) where it comes from ? Apparatus Testing	0	45	January 28, 2026
Nitrogen Filling Liquid Transformers (Live)? Electrical Testing Talk electrical-theory , codes-and-standards , transformers	6	173	January 27, 2026
Tettex 2293 External Software communication Apparatus Testing tools-equipment , test-procedures	3	354	January 23, 2026
NETA Level 3 (2023) Resting Advice NETA Level 3 Exam neta-level-3	7	2643	January 20, 2026
Taking NETA 3 in a few weeks NETA Level 3 Exam	1	182	January 19, 2026
We Value Your Feedback - Help Us Improve Help and Support	9	2751	January 16, 2026
Anyone have a curve for a 150 A Siemens QR23B150? Electrical Testing Talk circuit-breakers , test-procedures	1	39	January 16, 2026
Basic Electrical Theory: The Fundamental Laws of Electricity Technical Notes electrical-theory	0	59120	June 5, 2016
Siemens WL breaker locked in closed position General Discussion circuit-breakers	1	93	January 13, 2026
Pfisterer mv cable term test adapter? Electrical Testing Talk	0	38	December 19, 2025
Nitrogen filling for liquid filled transformers? Electrical Testing Talk electrical-theory , transformers , test-procedures	3	2508	November 26, 2025
Electrical Substation Bus Schemes Explained Articles codes-and-standards	0	56426	August 15, 2016
Fiber Optic Cable Fundamentals and Testing Explained Articles cables-and-busway , test-procedures	0	23282	January 18, 2022
LV breaker testing with MAC-21 test set Apparatus Testing circuit-breakers , electrical-theory , test-procedures	1	167	October 1, 2025
Primary Injection test set retrofit General Discussion tools-equipment	1	109	October 1, 2025
Beyond the Basics: Advanced Electrical Testing Methods Explained Articles neta-level-3 , neta-level-2 , electrical-theory , test-procedures	0	1075	June 9, 2025
SFRA Insights: Understanding Low, Mid, and High Frequencies Technical Notes test-procedures , codes-and-standards , transformers	0	417	September 24, 2025
Insulation Quality: The Five Key Causes of Insulation Degradation Articles insulation-testing , electrical-theory , test-procedures	1	641	September 24, 2025
Passed My NETA LEVEL 2 exam, some pointers for anyone studying NETA Level 2 Exam neta-level-2	5	4112	September 18, 2025
Insulation Resistance Testing Quick Tips Technical Notes test-procedures	0	11640	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	192	September 9, 2025
Winding resistance test of transformer Apparatus Testing test-procedures , codes-and-standards , transformers	2	251	September 9, 2025
Primary Injection Test Pins Electrical Testing Talk tools-equipment , circuit-breakers , test-procedures	5	413	September 2, 2025
Circulating Current in Two Transformers on Different Taps NETA Level 4 Exam electrical-theory , neta-level-4 , transformers	3	783	September 2, 2025
IEEE Reference Material for NICET Level 3 NICET Electrical Power Testing codes-and-standards	3	713	August 29, 2025
Understanding OSHA 1910 Subpart I: Personal Protective Equipment General Requirements Technical Notes safety-and-arc-flash , codes-and-standards	0	1347	March 18, 2024
Application of TTR Test Voltages? Apparatus Testing test-procedures , codes-and-standards , transformers	0	194	August 4, 2025
Low power factor can be corrected with the use of? NETA Level 3 Exam electrical-theory , codes-and-standards	0	250	August 4, 2025