NATE EXAM: CORE ESSENTIALS / STUDY GUIDE / 2025/2026
LATEST VERSION / COMPLETE REAL EXAM QUESTIONS AND
CORRECT ANSWERS / A GRADE SCORE
SOLUTION.
a (When current travels through a ground path other than the
neutral) - ANSWERWhen does a ground fault circuit interrupter
open an electric circuit?
a. When current travels through a ground path other than the
neutral
b. When the circuit is overloaded
c. When there is a short circuit
d. All of the above
c (functions) - ANSWER-The intention of the overall schematic is
to show how the circuit ____.
a. components are connected
b. fails
c. functions
d. looks
,c (ladder) - ANSWER-The type of schematic that provides the
most helpful troubleshooting information for the service
technician is the ____ diagram.
a. connection
b. installation
c. ladder
d. pictorial
c (loads) - ANSWER-Devices that consume power and convert it
to some other form of energy, such as motion or heat, are ____.
a. contacts
b. fuses
c. loads
d. transformers
d (transformer) - ANSWER-The normal dividing line for voltage
changes in a schematic is the ____.
a. contactor
b. fuse
c. relay
d. transformer
,d (legend) - ANSWER-The part of the schematic that lists and
explains the system components is called the ____.
a. appendix
b. guide
c. index
d. legend
a (electrically operated) - ANSWER-Relays and contactors are
____ control switches.
a. electrically operated
b. manually operated
c. pressure-activated
d. temperature-activated
d (series) - ANSWER-A(n) ____ circuit allows the same current to
flow through all of the components.
a. ac
b. dc
c. parallel
d. series
, c (parallel) - ANSWER-A(n) ____ circuit has multiple paths for
current flow.
a. ac
b. dc
c. parallel
d. series
d (Series-Parallel) - ANSWER-What types of circuits are primarily
used in control and safety applications?
a. Continuous
b. Parallel
c. Series
d. Series-Parallel
b (in parallel with the circuit being tested) - ANSWER-When
testing with a voltmeter, you should place the meter ____.
a. in series with the circuit being tested
b. in parallel with the circuit being tested
c. on the highest possible setting
d. on the lowest possible setting
LATEST VERSION / COMPLETE REAL EXAM QUESTIONS AND
CORRECT ANSWERS / A GRADE SCORE
SOLUTION.
a (When current travels through a ground path other than the
neutral) - ANSWERWhen does a ground fault circuit interrupter
open an electric circuit?
a. When current travels through a ground path other than the
neutral
b. When the circuit is overloaded
c. When there is a short circuit
d. All of the above
c (functions) - ANSWER-The intention of the overall schematic is
to show how the circuit ____.
a. components are connected
b. fails
c. functions
d. looks
,c (ladder) - ANSWER-The type of schematic that provides the
most helpful troubleshooting information for the service
technician is the ____ diagram.
a. connection
b. installation
c. ladder
d. pictorial
c (loads) - ANSWER-Devices that consume power and convert it
to some other form of energy, such as motion or heat, are ____.
a. contacts
b. fuses
c. loads
d. transformers
d (transformer) - ANSWER-The normal dividing line for voltage
changes in a schematic is the ____.
a. contactor
b. fuse
c. relay
d. transformer
,d (legend) - ANSWER-The part of the schematic that lists and
explains the system components is called the ____.
a. appendix
b. guide
c. index
d. legend
a (electrically operated) - ANSWER-Relays and contactors are
____ control switches.
a. electrically operated
b. manually operated
c. pressure-activated
d. temperature-activated
d (series) - ANSWER-A(n) ____ circuit allows the same current to
flow through all of the components.
a. ac
b. dc
c. parallel
d. series
, c (parallel) - ANSWER-A(n) ____ circuit has multiple paths for
current flow.
a. ac
b. dc
c. parallel
d. series
d (Series-Parallel) - ANSWER-What types of circuits are primarily
used in control and safety applications?
a. Continuous
b. Parallel
c. Series
d. Series-Parallel
b (in parallel with the circuit being tested) - ANSWER-When
testing with a voltmeter, you should place the meter ____.
a. in series with the circuit being tested
b. in parallel with the circuit being tested
c. on the highest possible setting
d. on the lowest possible setting
