Electrician Apprenticeship Midterm 1A
Exam with Complete Solutions
What happens to a negatively charged cloud after a high-current discharge to a
positively charged one? - ANS-The cloud remains negatively charged
What happens when insulated bodies are quickly separated? - ANS-Both bodies display
an electrostatic charge, one with excess electrons and the other with fewer electrons
Receptacle outlets installed in a dwelling for specific appliances shall be located within
___ feet of the appliance - ANS-6
All conductors of a(n) ___ branch circuit shall originate from the same panel board -
ANS-Multi-wire
For an area to qualify as a bathroom, a ___ shall be present - ANS-sink / basin
What is the requirement for receptacle outlets in dwelling units concerning bathroom
basins? - ANS-At least one receptacle outlet must be installed within 36 inches of the
outside edge of each bathroom basin
Which of the following best describes fluorescent lights? - ANS-Illumination resulting
from the combination of electroluminescence and phosphorescence when current flows
through a charged gas or vapor
Fires can be caused by electrical energy when ___ from an arcing electric fault ignites
adjacent combustible materials - ANS-Current
What is ventricular fibrillation? - ANS-A life-threatening condition in which the heart
quivers or fibrillates very rapidly and no longer beats
An enclosure designed for either surface mounting or flush mounting provided with a
frame in which a door(s) can be hung is called a(n) "_____." - ANS-Cabinet
A ground-fault current path is an electrically conductive path from the point of a ground
fault through normally noncurrent-carrying conductors, equipment, or the earth to the
_____. - ANS-electrical supply source
Heavy-duty admedium-type lampholders shall have a rating of not less than ___ W. -
ANS-660
, Branch-circuit EGCs smaller than 4 AWG shall have a continuous outer finish that is
either green or green with one or more ___ stripes unless it is bare. - ANS-yellow
A current flow of ___ mA will most likely cause the heart to stop pumping. - ANS-100
The ___ is that portion of the electrical circuit between the last overcurrent device and
the outlets or utilization equipment. - ANS-Branch Circuit
What factors determine the severity of an electric shock? - ANS-The current flowing
through the body, which is influenced by circuit voltage and contact resistance.
What term describes the movement of electrons to perform a useful function? - ANS-
Current electricity
What is the process of "electroplating"? - ANS-Building up layers of metal on one
surface while removing metal from another surface through chemical action with electric
current in a solution.
The 8' minimum vertical clearance for overhead service conductors shall be maintained
in all directions for a minimum distance of ___' from the edge of the roof. - ANS-3
___ conductors are the conductors that extend from the service disconnecting means to
the service point where the service point is located at the connections made at the
service drip loop. - ANS-Overhead service-entrance
What is the primary purpose of a holding relay? - ANS-What is the primary purpose of a
holding relay?
The Wheatstone Bridge meter is used for extremely accurate _____ measurements. -
ANS-resistance
The outermost shell is called the "valence shell" and electrons in this shell are called
"valence electrons." The maximum number of electrons in the valence shell is _____. -
ANS-eight
To prevent corrosion from forming on low-voltage electronic circuitry connectors, _____
plating is often placed on copper cable terminals. - ANS-silver or gold
Nonconductive optical fiber cable contains no metallic members and no other _____
materials. - ANS-electrically conductive
A cable routing assembly is composed of single or connected multiple channels as well
as associated fittings, forming a structural system to _____ communications wires and
cables, optical fiber and data cables; and Class 2, Class 3, and Type PLTC cables; and
Exam with Complete Solutions
What happens to a negatively charged cloud after a high-current discharge to a
positively charged one? - ANS-The cloud remains negatively charged
What happens when insulated bodies are quickly separated? - ANS-Both bodies display
an electrostatic charge, one with excess electrons and the other with fewer electrons
Receptacle outlets installed in a dwelling for specific appliances shall be located within
___ feet of the appliance - ANS-6
All conductors of a(n) ___ branch circuit shall originate from the same panel board -
ANS-Multi-wire
For an area to qualify as a bathroom, a ___ shall be present - ANS-sink / basin
What is the requirement for receptacle outlets in dwelling units concerning bathroom
basins? - ANS-At least one receptacle outlet must be installed within 36 inches of the
outside edge of each bathroom basin
Which of the following best describes fluorescent lights? - ANS-Illumination resulting
from the combination of electroluminescence and phosphorescence when current flows
through a charged gas or vapor
Fires can be caused by electrical energy when ___ from an arcing electric fault ignites
adjacent combustible materials - ANS-Current
What is ventricular fibrillation? - ANS-A life-threatening condition in which the heart
quivers or fibrillates very rapidly and no longer beats
An enclosure designed for either surface mounting or flush mounting provided with a
frame in which a door(s) can be hung is called a(n) "_____." - ANS-Cabinet
A ground-fault current path is an electrically conductive path from the point of a ground
fault through normally noncurrent-carrying conductors, equipment, or the earth to the
_____. - ANS-electrical supply source
Heavy-duty admedium-type lampholders shall have a rating of not less than ___ W. -
ANS-660
, Branch-circuit EGCs smaller than 4 AWG shall have a continuous outer finish that is
either green or green with one or more ___ stripes unless it is bare. - ANS-yellow
A current flow of ___ mA will most likely cause the heart to stop pumping. - ANS-100
The ___ is that portion of the electrical circuit between the last overcurrent device and
the outlets or utilization equipment. - ANS-Branch Circuit
What factors determine the severity of an electric shock? - ANS-The current flowing
through the body, which is influenced by circuit voltage and contact resistance.
What term describes the movement of electrons to perform a useful function? - ANS-
Current electricity
What is the process of "electroplating"? - ANS-Building up layers of metal on one
surface while removing metal from another surface through chemical action with electric
current in a solution.
The 8' minimum vertical clearance for overhead service conductors shall be maintained
in all directions for a minimum distance of ___' from the edge of the roof. - ANS-3
___ conductors are the conductors that extend from the service disconnecting means to
the service point where the service point is located at the connections made at the
service drip loop. - ANS-Overhead service-entrance
What is the primary purpose of a holding relay? - ANS-What is the primary purpose of a
holding relay?
The Wheatstone Bridge meter is used for extremely accurate _____ measurements. -
ANS-resistance
The outermost shell is called the "valence shell" and electrons in this shell are called
"valence electrons." The maximum number of electrons in the valence shell is _____. -
ANS-eight
To prevent corrosion from forming on low-voltage electronic circuitry connectors, _____
plating is often placed on copper cable terminals. - ANS-silver or gold
Nonconductive optical fiber cable contains no metallic members and no other _____
materials. - ANS-electrically conductive
A cable routing assembly is composed of single or connected multiple channels as well
as associated fittings, forming a structural system to _____ communications wires and
cables, optical fiber and data cables; and Class 2, Class 3, and Type PLTC cables; and
