National Electrical Unit 2
test guided![questions
and correct answers]
Wiring components are considered accessible if (1) access can be gained without damaging the
structure or finish of
the building or if (2) they are_____. - ANSWERS-not permanently closed in by the structure or
finish of the building
Overcurrent devices do not have to be readily accessible if ____. - ANSWERS-located adjacent to
the equipment where access is achieved by the use of portable means
Ready accessibility to wiring in luminaires is ____. - ANSWERS-not required
An attachment plug establishes connection between ____. - ANSWERS-conductors of the
attached flexible cord and the conductors permanently connected to the receptacle
When metal parts are required to be electrically connected, a(n) ____ is installed, thereby
guaranteeing the required
electrical conductivity. - ANSWERS-main bonding jumper
A(n) ____ is a device intended to provide protection from the effects of arc faults by recognizing
characteristics - ANSWERS-arc-fault circuit interruptor (AFCI)
, An appliance branch circuit supplies energy to one or more outlets for the purpose of ____. -
ANSWERS-connecting appliance(s)
A multiwire circuit must consist of conductors connected to ____. - ANSWERS-different phases
All conductors of a multiwire branch circuit must originate from ____. - ANSWERS-the same
panelboard or similar distribution equipment
A load having the maximum level of current sustained for three hours or more is referred to as a
____ load. - ANSWERS-continuous
"Equipment" is a general term, including fittings, devices, appliances, luminaires, apparatus,
machinery, etc. used
____ in an electrical installation. - ANSWERS-directly or indirectly
____ wire, together with strain insulators, is used to support conductors in all spans exceeding
40 ft in length. Conductors shall not be attached to any fire escape,
downspout, or plumbing equipment - ANSWERS-Messenger:
its the C wire on the photo
A(n) ____ is an accessory, such as a locknut or bushing, whose function is primarily mechanical,
rather than
electrical, in nature. - ANSWERS-fitting
A grounding electrode is a(n) ____ object that establishes a direct connection to earth -
ANSWERS-conducting
A feeder consists of all circuit conductors located ____. - ANSWERS-between the service
equipment, a power supply source, and the final branch-circuit overcurrent device
test guided![questions
and correct answers]
Wiring components are considered accessible if (1) access can be gained without damaging the
structure or finish of
the building or if (2) they are_____. - ANSWERS-not permanently closed in by the structure or
finish of the building
Overcurrent devices do not have to be readily accessible if ____. - ANSWERS-located adjacent to
the equipment where access is achieved by the use of portable means
Ready accessibility to wiring in luminaires is ____. - ANSWERS-not required
An attachment plug establishes connection between ____. - ANSWERS-conductors of the
attached flexible cord and the conductors permanently connected to the receptacle
When metal parts are required to be electrically connected, a(n) ____ is installed, thereby
guaranteeing the required
electrical conductivity. - ANSWERS-main bonding jumper
A(n) ____ is a device intended to provide protection from the effects of arc faults by recognizing
characteristics - ANSWERS-arc-fault circuit interruptor (AFCI)
, An appliance branch circuit supplies energy to one or more outlets for the purpose of ____. -
ANSWERS-connecting appliance(s)
A multiwire circuit must consist of conductors connected to ____. - ANSWERS-different phases
All conductors of a multiwire branch circuit must originate from ____. - ANSWERS-the same
panelboard or similar distribution equipment
A load having the maximum level of current sustained for three hours or more is referred to as a
____ load. - ANSWERS-continuous
"Equipment" is a general term, including fittings, devices, appliances, luminaires, apparatus,
machinery, etc. used
____ in an electrical installation. - ANSWERS-directly or indirectly
____ wire, together with strain insulators, is used to support conductors in all spans exceeding
40 ft in length. Conductors shall not be attached to any fire escape,
downspout, or plumbing equipment - ANSWERS-Messenger:
its the C wire on the photo
A(n) ____ is an accessory, such as a locknut or bushing, whose function is primarily mechanical,
rather than
electrical, in nature. - ANSWERS-fitting
A grounding electrode is a(n) ____ object that establishes a direct connection to earth -
ANSWERS-conducting
A feeder consists of all circuit conductors located ____. - ANSWERS-between the service
equipment, a power supply source, and the final branch-circuit overcurrent device
