NETA III EXAM 2026 Complete Questions and Guide Answers
100% Verified Graded A+
1. What color test decal you affix to a protective device with a minor mechanical
deficiency that does not affect its fault detection and operation?
Answer: Yellow
2. A new 69kV-35kV power transformer filled with FR3 is being placed into
service, what is the minimum acceptable dielectric breakdown voltage for a
transformer of this voltage class when tested in accordance with ASTM D1816
(2mm gap)? kV
Answer: 50
3. The winding is made of many turns of small wire and is located at the
top of the stator core.
Answer: Start
4. Excitation-current tests of large dry-type transformer windings are required
for maintenance testing but not acceptance testing.
True or false
Answer: True
,5. The Boolean expression for a 3-input AND gate is .
Answer: Q=ABC
6. What would be the appropriate acceptance test voltage for a withstand test
on a new 8.25kV, 1200A rated metal-enclosed interrupter switchgear per NETA
standards? kVAC/kVDC
Answer: 14/20
7. For providing short circuit protection, a fuse rated in continuous amperes
shall not exceed times the ampacity of the conductor.
Answer: 3
8. n a DC circuit, fully charged capacitors act as
Answer: Open circuits
9. What is the maximum acceptable value for Total Decomposition Products in
a SF6 circuit breaker that has been in service for 3 years? ppm
Answer: 50
10. True or false Contactor coils are present in manual motor starters
Answer: False
11. When testing new HV oil circuit breakers per NETA standards, which inspec-
tion is optional?
, Answer: Trip/close coil current signature analysis
12. In a circuit containing resistance and inductance, the time required for
current to reach its full value involves which of the following?
Answer: T=L/R
13. In a typical stepped distance protection scheme, Zone 2 is set to protect
of the transmission line with a time delay of 0.25-0.4 seconds
Answer: 120%
14. What is the minimum acceptable megohm value for a metal-oxide surge
arrester rated 36kV with an MCOV rating of 29kV per NETA standards? M
100000
Answer:
15. battery bank has batteries where the terminals are bulged and the seals
broken. This is likely from
Answer: Increasing plate growth
100% Verified Graded A+
1. What color test decal you affix to a protective device with a minor mechanical
deficiency that does not affect its fault detection and operation?
Answer: Yellow
2. A new 69kV-35kV power transformer filled with FR3 is being placed into
service, what is the minimum acceptable dielectric breakdown voltage for a
transformer of this voltage class when tested in accordance with ASTM D1816
(2mm gap)? kV
Answer: 50
3. The winding is made of many turns of small wire and is located at the
top of the stator core.
Answer: Start
4. Excitation-current tests of large dry-type transformer windings are required
for maintenance testing but not acceptance testing.
True or false
Answer: True
,5. The Boolean expression for a 3-input AND gate is .
Answer: Q=ABC
6. What would be the appropriate acceptance test voltage for a withstand test
on a new 8.25kV, 1200A rated metal-enclosed interrupter switchgear per NETA
standards? kVAC/kVDC
Answer: 14/20
7. For providing short circuit protection, a fuse rated in continuous amperes
shall not exceed times the ampacity of the conductor.
Answer: 3
8. n a DC circuit, fully charged capacitors act as
Answer: Open circuits
9. What is the maximum acceptable value for Total Decomposition Products in
a SF6 circuit breaker that has been in service for 3 years? ppm
Answer: 50
10. True or false Contactor coils are present in manual motor starters
Answer: False
11. When testing new HV oil circuit breakers per NETA standards, which inspec-
tion is optional?
, Answer: Trip/close coil current signature analysis
12. In a circuit containing resistance and inductance, the time required for
current to reach its full value involves which of the following?
Answer: T=L/R
13. In a typical stepped distance protection scheme, Zone 2 is set to protect
of the transmission line with a time delay of 0.25-0.4 seconds
Answer: 120%
14. What is the minimum acceptable megohm value for a metal-oxide surge
arrester rated 36kV with an MCOV rating of 29kV per NETA standards? M
100000
Answer:
15. battery bank has batteries where the terminals are bulged and the seals
broken. This is likely from
Answer: Increasing plate growth
