NETA ETT Level 2 study guide
NETA ETT Level 2 · Work through your exam, one topic at a time.
The NETA Electrical Testing Technician (ETT) credential is offered by the InterNational Electrical Testing Association (NETA), the trade association whose published site lists a Technician Certification Exam alongside exam preparation, exam reminders, and a practice exam under its Certification section. NETA also maintains the ANSI/NETA ETT standard, which appears among its ANSI/NETA standards family (including ATS, MTS, ECS, and EMW), indicating that the ETT designation is tied to a recognized standard for electrical testing technicians. The NETA ETT Level 2 study guide has 4 sections and about 1,361 words.
01Electrical Safety and Safe Work Practices
Electrical safety questions reward a disciplined sequence: identify the hazard, establish the boundary, control the energy, then verify. The core framework comes from NFPA 70E concepts: shock hazard is managed with shock-protection boundaries (limited, restricted, arc flash) while arc flash is managed with the arc flash boundary and incident-energy PPE.
323 words, about 2 min02Electrical Theory
Electrical theory questions test whether you can move fluently between Ohm’s law, power, and AC impedance without mixing units or phase relationships. For DC and resistive AC, V = I × R, P = V × I = I²R = V²/R.
363 words, about 2 min03Schematics, Symbols, and Print Reading
Print-reading questions test whether you can trace a circuit from source to load and distinguish device states from physical positions. Learn the common families: one-line diagrams show power distribution with major equipment and ratings; three-line diagrams expand three-phase circuits; ladder and wiring diagrams show control logic and terminal connections; block diagrams show signal flow.
353 words, about 2 min04Test Instruments, Measurement, and Interpretation
Instrument questions combine selection, safety rating, and interpretation. Choose the instrument for the quantity and environment: DMM for voltage, resistance, and continuity; clamp meter for load current; insulation resistance tester for insulation; low-resistance ohmmeter (DLRO) for contact and winding resistance; ground tester for electrode resistance; power quality analyzer for harmonics, sags, and transients.
322 words, about 2 min