NEC NFPA 70 Exam 2025 Questions
and Answers
arc-fault circuit interruptor (AFCI) - ANSWER✔✔-A(n) ____ is a device intended to provide
protection from the effects of arc faults by recognizing characteristics unique to arcing
fitting - ANSWER✔✔-A(n) ____ is an accessory, such as a locknut or bushing, whose function is
primarily mechanical, rather than electrical, in nature.
the same panelboard or similar distribution equipment - ANSWER✔✔-All conductors of a
multiwire branch circuit must originate from ____.
AHJ - ANSWER✔✔-An ____ is the organization, office, or individual responsible for enforcing the
requirements of a code.
connecting appliance(s) - ANSWER✔✔-An appliance branch circuit supplies energy to one or more
outlets for the purpose of ____.
connected to ground or to a conductive body that extends the ground connection - ANSWER✔✔-
Grounded (grounding) is defined as being ____.
located adjacent to the equipment where access is achieved by the use of portable means -
ANSWER✔✔-Overcurrent devices do not have to be readily accessible if ____.
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
, conducting - ANSWER✔✔-A grounding electrode is a(n) ____ object that establishes a direct
connection to earth
continuous - ANSWER✔✔-A load having the maximum level of current sustained for three hours
or more is referred to as a ____ load.
neutral point of a system - ANSWER✔✔-A neutral conductor is defined as the conductor
connected to the ____ that is intended to carry current under normal conditions.
50 - ANSWER✔✔-A luminaire that weighs more than ____ pounds shall be supported
independently of the outlet box, unless the outlet box is listed and marked for the maximum weight
to be supported.
8 - ANSWER✔✔-Nonmetallic-sheathed cable not fastened to the box must be secured within ____
in. of the box.
size and number of raceways - ANSWER✔✔-Box calculations for 4 AWG and larger conductors
(under 600 volts) are performed based on the ____.
Splices, taps, or devices - ANSWER✔✔-___ are permitted inside conduit bodies, if the
manufacturer durably and legibly marked the cubic inch capacity on the conduit body.
box fill - ANSWER✔✔-Wire connectors, pigtails, locknuts, bushings, raceway connectors,
grounding screws, and equipment bonding jumpers are not factors when calculating ____.
22 inches - ANSWER✔✔-What is the angle pull for a raceway in the horizontal dimension where
the trade size of the largest raceway is 3 and the sum of the other raceways in the same row on the
same wall is 4?v
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
and Answers
arc-fault circuit interruptor (AFCI) - ANSWER✔✔-A(n) ____ is a device intended to provide
protection from the effects of arc faults by recognizing characteristics unique to arcing
fitting - ANSWER✔✔-A(n) ____ is an accessory, such as a locknut or bushing, whose function is
primarily mechanical, rather than electrical, in nature.
the same panelboard or similar distribution equipment - ANSWER✔✔-All conductors of a
multiwire branch circuit must originate from ____.
AHJ - ANSWER✔✔-An ____ is the organization, office, or individual responsible for enforcing the
requirements of a code.
connecting appliance(s) - ANSWER✔✔-An appliance branch circuit supplies energy to one or more
outlets for the purpose of ____.
connected to ground or to a conductive body that extends the ground connection - ANSWER✔✔-
Grounded (grounding) is defined as being ____.
located adjacent to the equipment where access is achieved by the use of portable means -
ANSWER✔✔-Overcurrent devices do not have to be readily accessible if ____.
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
, conducting - ANSWER✔✔-A grounding electrode is a(n) ____ object that establishes a direct
connection to earth
continuous - ANSWER✔✔-A load having the maximum level of current sustained for three hours
or more is referred to as a ____ load.
neutral point of a system - ANSWER✔✔-A neutral conductor is defined as the conductor
connected to the ____ that is intended to carry current under normal conditions.
50 - ANSWER✔✔-A luminaire that weighs more than ____ pounds shall be supported
independently of the outlet box, unless the outlet box is listed and marked for the maximum weight
to be supported.
8 - ANSWER✔✔-Nonmetallic-sheathed cable not fastened to the box must be secured within ____
in. of the box.
size and number of raceways - ANSWER✔✔-Box calculations for 4 AWG and larger conductors
(under 600 volts) are performed based on the ____.
Splices, taps, or devices - ANSWER✔✔-___ are permitted inside conduit bodies, if the
manufacturer durably and legibly marked the cubic inch capacity on the conduit body.
box fill - ANSWER✔✔-Wire connectors, pigtails, locknuts, bushings, raceway connectors,
grounding screws, and equipment bonding jumpers are not factors when calculating ____.
22 inches - ANSWER✔✔-What is the angle pull for a raceway in the horizontal dimension where
the trade size of the largest raceway is 3 and the sum of the other raceways in the same row on the
same wall is 4?v
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
