COSC 325 - Electrical, COSC 325 - Electrical Exam || 100%
verified answers.
Lock Out Tag Out (LOTO) correct answers 1. Protects you from Electricity
2. Isolated - isolates you from the power souse to keep it out/off and you safe
10 seconds correct answers A generator MUST kick up within ______
277 correct answers ____ is NEVER line-to-line voltage
romex correct answers is most common in residential
kVA correct answers Transformers are measured in what units?
RMC, EMT, PVC correct answers Which conduits have NO wire?
MC Cable correct answers Which conduits have wire?
Conductor correct answers ____ is a material that allows electrons to easily move from atom to
atom. Ex. silver, copper, gold, aluminum, iron
Insulator correct answers _____ is a material that does not allow electrons to easily move from
atom to atom. Ex. Glass, rubber, plastic, or paper
Phases correct answers _____ Refers to the number of "hot" wires in a system
Transformers correct answers _____ uses electromagnetism to step-up or step-down AC voltage
from one level to another
,Grounding correct answers protects the occupants by providing a safe pathway for unwanted
electricity that might create a hazard
System Ground correct answers _______ protects the entire distribution system of a residence
Equipment Ground correct answers ____ protects individual components connected to an
electrical system
GCFI (ground fault circuit interrupters) correct answers _____ detects low level of leakage
current to ground and open the circuit in response
GCFI (ground fault circuit interrupters) correct answers Located in bathrooms, kitchens, near
pools, fountains, and garages. designed to detects leakages of current
Transformer correct answers What electrical equipment is this?
Weather Head correct answers What electrical equipment is this?
Disconnect correct answers The purpose of a _______ is to shut off power
AC (Alternating Current) correct answers Type of current used in buildings
PVC Conduit correct answers What does this picture show?
PVC Conduit correct answers ______ is used primarily underground because it holds up to
corrosion and decay better
RC correct answers Once PVC conduit is above ground it transitions into _____
, RMC (Rigid Metal Conduit) correct answers What type of conduit is this?
RMC (Rigid Metallic Conduit) correct answers What type of conduit is this?
EMT (Electrical Metallic Tubing) correct answers What type of conduit is this?
EMT (Electrical Metallic Tubing) correct answers _______ is used into of the building, has the
thinnest walls, and uses set screw or compression fittings
RMC (Rigid Metallic Conduit) correct answers _______ Has the thickest wall, used outside of
the building, and has threaded connections
Set Screw Fitting correct answers What type of fitting is this?
Compression correct answers What type of fitting is this?
Line Box correct answers A ______ is a pull point that you can pull a wire through and then open
up a plate and push the wire through so you do not have to cut or twist the wire
MCB (Main circuit breaker) correct answers What type of breaker is this?
Feeders correct answers _____ are the wires and conduits that lead up to the panel
Branches correct answers _______ leads the power away from the panel
MCB (Main Circuit breaker) correct answers a panel with a _____ has one main breaker where
all the power goes through which can kill power to all branches connected at once
verified answers.
Lock Out Tag Out (LOTO) correct answers 1. Protects you from Electricity
2. Isolated - isolates you from the power souse to keep it out/off and you safe
10 seconds correct answers A generator MUST kick up within ______
277 correct answers ____ is NEVER line-to-line voltage
romex correct answers is most common in residential
kVA correct answers Transformers are measured in what units?
RMC, EMT, PVC correct answers Which conduits have NO wire?
MC Cable correct answers Which conduits have wire?
Conductor correct answers ____ is a material that allows electrons to easily move from atom to
atom. Ex. silver, copper, gold, aluminum, iron
Insulator correct answers _____ is a material that does not allow electrons to easily move from
atom to atom. Ex. Glass, rubber, plastic, or paper
Phases correct answers _____ Refers to the number of "hot" wires in a system
Transformers correct answers _____ uses electromagnetism to step-up or step-down AC voltage
from one level to another
,Grounding correct answers protects the occupants by providing a safe pathway for unwanted
electricity that might create a hazard
System Ground correct answers _______ protects the entire distribution system of a residence
Equipment Ground correct answers ____ protects individual components connected to an
electrical system
GCFI (ground fault circuit interrupters) correct answers _____ detects low level of leakage
current to ground and open the circuit in response
GCFI (ground fault circuit interrupters) correct answers Located in bathrooms, kitchens, near
pools, fountains, and garages. designed to detects leakages of current
Transformer correct answers What electrical equipment is this?
Weather Head correct answers What electrical equipment is this?
Disconnect correct answers The purpose of a _______ is to shut off power
AC (Alternating Current) correct answers Type of current used in buildings
PVC Conduit correct answers What does this picture show?
PVC Conduit correct answers ______ is used primarily underground because it holds up to
corrosion and decay better
RC correct answers Once PVC conduit is above ground it transitions into _____
, RMC (Rigid Metal Conduit) correct answers What type of conduit is this?
RMC (Rigid Metallic Conduit) correct answers What type of conduit is this?
EMT (Electrical Metallic Tubing) correct answers What type of conduit is this?
EMT (Electrical Metallic Tubing) correct answers _______ is used into of the building, has the
thinnest walls, and uses set screw or compression fittings
RMC (Rigid Metallic Conduit) correct answers _______ Has the thickest wall, used outside of
the building, and has threaded connections
Set Screw Fitting correct answers What type of fitting is this?
Compression correct answers What type of fitting is this?
Line Box correct answers A ______ is a pull point that you can pull a wire through and then open
up a plate and push the wire through so you do not have to cut or twist the wire
MCB (Main circuit breaker) correct answers What type of breaker is this?
Feeders correct answers _____ are the wires and conduits that lead up to the panel
Branches correct answers _______ leads the power away from the panel
MCB (Main Circuit breaker) correct answers a panel with a _____ has one main breaker where
all the power goes through which can kill power to all branches connected at once
