Page | 1
COSC 325 - ELECTRICAL, COSC 325 -
ELECTRICAL EXAM 2026 QUESTIONS
AND ANSWERS | A+ GRADED | WITH
EXPERT SOLUTIONS
Lock Out Tag Out (LOTO) - correct answer -1. Protects you from
Electricity
2. Isolated - isolates you from the power souse to keep it out/off
and you safe
10 seconds - correct answer -A generator MUST kick up within
______
277 - correct answer -____ is NEVER line-to-line voltage
romex - correct answer -is most common in residential
kVA - correct answer -Transformers are measured in what units?
, Page | 2
RMC, EMT, PVC - correct answer -Which conduits have NO
wire?
MC Cable - correct answer -Which conduits have wire?
Conductor - correct answer -____ is a material that allows
electrons to easily move from atom to atom. Ex. silver, copper,
gold, aluminum, iron
Insulator - correct answer -_____ is a material that does not allow
electrons to easily move from atom to atom. Ex. Glass, rubber,
plastic, or paper
Phases - correct answer -_____ Refers to the number of "hot"
wires in a system
Transformers - correct answer -_____ uses electromagnetism to
step-up or step-down AC voltage from one level to another
, Page | 3
Grounding - correct answer -protects the occupants by providing
a safe pathway for unwanted electricity that might create a hazard
System Ground - correct answer -_______ protects the entire
distribution system of a residence
Equipment Ground - correct answer -____ protects individual
components connected to an electrical system
GCFI (ground fault circuit interrupters) - correct answer -_____
detects low level of leakage current to ground and open the circuit
in response
GCFI (ground fault circuit interrupters) - correct answer -Located
in bathrooms, kitchens, near pools, fountains, and garages.
designed to detects leakages of current
Transformer - correct answer -What electrical equipment is this?
, Page | 4
Weather Head - correct answer -What electrical equipment is
this?
Disconnect - correct answer -The purpose of a _______ is to shut
off power
AC (Alternating Current) - correct answer -Type of current used in
buildings
PVC Conduit - correct answer -What does this picture show?
PVC Conduit - correct answer -______ is used primarily
underground because it holds up to corrosion and decay better
RC - correct answer -Once PVC conduit is above ground it
transitions into _____
COSC 325 - ELECTRICAL, COSC 325 -
ELECTRICAL EXAM 2026 QUESTIONS
AND ANSWERS | A+ GRADED | WITH
EXPERT SOLUTIONS
Lock Out Tag Out (LOTO) - correct answer -1. Protects you from
Electricity
2. Isolated - isolates you from the power souse to keep it out/off
and you safe
10 seconds - correct answer -A generator MUST kick up within
______
277 - correct answer -____ is NEVER line-to-line voltage
romex - correct answer -is most common in residential
kVA - correct answer -Transformers are measured in what units?
, Page | 2
RMC, EMT, PVC - correct answer -Which conduits have NO
wire?
MC Cable - correct answer -Which conduits have wire?
Conductor - correct answer -____ is a material that allows
electrons to easily move from atom to atom. Ex. silver, copper,
gold, aluminum, iron
Insulator - correct answer -_____ is a material that does not allow
electrons to easily move from atom to atom. Ex. Glass, rubber,
plastic, or paper
Phases - correct answer -_____ Refers to the number of "hot"
wires in a system
Transformers - correct answer -_____ uses electromagnetism to
step-up or step-down AC voltage from one level to another
, Page | 3
Grounding - correct answer -protects the occupants by providing
a safe pathway for unwanted electricity that might create a hazard
System Ground - correct answer -_______ protects the entire
distribution system of a residence
Equipment Ground - correct answer -____ protects individual
components connected to an electrical system
GCFI (ground fault circuit interrupters) - correct answer -_____
detects low level of leakage current to ground and open the circuit
in response
GCFI (ground fault circuit interrupters) - correct answer -Located
in bathrooms, kitchens, near pools, fountains, and garages.
designed to detects leakages of current
Transformer - correct answer -What electrical equipment is this?
, Page | 4
Weather Head - correct answer -What electrical equipment is
this?
Disconnect - correct answer -The purpose of a _______ is to shut
off power
AC (Alternating Current) - correct answer -Type of current used in
buildings
PVC Conduit - correct answer -What does this picture show?
PVC Conduit - correct answer -______ is used primarily
underground because it holds up to corrosion and decay better
RC - correct answer -Once PVC conduit is above ground it
transitions into _____
