NEC NFPA 70 Test 1 Questions with Correct
Answers
arc-fault circuit interruptor (AFCI)
A(n) ____ is a device intended to provide protection from the effects of arc faults by
recognizing characteristics unique to arcing
fitting
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
All conductors of a multiwire branch circuit must originate from ____.
AHJ
An ____ is the organization, office, or individual responsible for enforcing the requirements
of a code.
connecting appliance(s)
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
Grounded (grounding) is defined as being ____.
located adjacent to the equipment where access is achieved by the use of portable means
Overcurrent devices do not have to be readily accessible if ____.
conducting
A grounding electrode is a(n) ____ object that establishes a direct connection to earth
, continuous
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
A neutral conductor is defined as the conductor connected to the ____ that is intended to
carry current under normal conditions.
50
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
Nonmetallic-sheathed cable not fastened to the box must be secured within ____ in. of the
box.
size and number of raceways
Box calculations for 4 AWG and larger conductors (under 600 volts) are performed based on
the ____.
Splices, taps, or devices
___ are permitted inside conduit bodies, if the manufacturer durably and legibly marked the
cubic inch capacity on the conduit body.
box fill
Wire connectors, pigtails, locknuts, bushings, raceway connectors, grounding screws, and
equipment bonding jumpers are not factors when calculating ____.
Answers
arc-fault circuit interruptor (AFCI)
A(n) ____ is a device intended to provide protection from the effects of arc faults by
recognizing characteristics unique to arcing
fitting
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
All conductors of a multiwire branch circuit must originate from ____.
AHJ
An ____ is the organization, office, or individual responsible for enforcing the requirements
of a code.
connecting appliance(s)
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
Grounded (grounding) is defined as being ____.
located adjacent to the equipment where access is achieved by the use of portable means
Overcurrent devices do not have to be readily accessible if ____.
conducting
A grounding electrode is a(n) ____ object that establishes a direct connection to earth
, continuous
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
A neutral conductor is defined as the conductor connected to the ____ that is intended to
carry current under normal conditions.
50
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
Nonmetallic-sheathed cable not fastened to the box must be secured within ____ in. of the
box.
size and number of raceways
Box calculations for 4 AWG and larger conductors (under 600 volts) are performed based on
the ____.
Splices, taps, or devices
___ are permitted inside conduit bodies, if the manufacturer durably and legibly marked the
cubic inch capacity on the conduit body.
box fill
Wire connectors, pigtails, locknuts, bushings, raceway connectors, grounding screws, and
equipment bonding jumpers are not factors when calculating ____.
