COSC 325 - ELECTRICAL, COSC 325 - ELECTRICAL EXAM 2026 QUESTIONS AND ANSWERS |
A+ GRADED | WITH EXPERT SOLUTIONS
Lock Out Tag Out (LOTO) - (ANSWER)1. Protects you from Electricity
2. Isolated - isolates you from the power souse to keep it out/off and you safe
10 seconds - (ANSWER)A generator MUST kick up within ______
277 - (ANSWER)____ is NEVER line-to-line voltage
romex - (ANSWER)is most common in residential
kVA - (ANSWER)Transformers are measured in what units?
RMC, EMT, PVC - (ANSWER)Which conduits have NO wire?
MC Cable - (ANSWER)Which conduits have wire?
Conductor - (ANSWER)____ is a material that allows electrons to easily move from atom to atom. Ex.
silver, copper, gold, aluminum, iron
Insulator - (ANSWER)_____ is a material that does not allow electrons to easily move from atom to
atom. Ex. Glass, rubber, plastic, or paper
Phases - (ANSWER)_____ Refers to the number of "hot" wires in a system
Transformers - (ANSWER)_____ uses electromagnetism to step-up or step-down AC voltage from one
level to another
Grounding - (ANSWER)protects the occupants by providing a safe pathway for unwanted electricity that
might create a hazard
,COSC 325 - ELECTRICAL, COSC 325 - ELECTRICAL EXAM 2026 QUESTIONS AND ANSWERS |
A+ GRADED | WITH EXPERT SOLUTIONS
System Ground - (ANSWER)_______ protects the entire distribution system of a residence
Equipment Ground - (ANSWER)____ protects individual components connected to an electrical system
GCFI (ground fault circuit interrupters) - (ANSWER)_____ detects low level of leakage current to ground
and open the circuit in response
GCFI (ground fault circuit interrupters) - (ANSWER)Located in bathrooms, kitchens, near pools,
fountains, and garages. designed to detects leakages of current
Transformer - (ANSWER)What electrical equipment is this?
Weather Head - (ANSWER)What electrical equipment is this?
Disconnect - (ANSWER)The purpose of a _______ is to shut off power
AC (Alternating Current) - (ANSWER)Type of current used in buildings
PVC Conduit - (ANSWER)What does this picture show?
PVC Conduit - (ANSWER)______ is used primarily underground because it holds up to corrosion and
decay better
RC - (ANSWER)Once PVC conduit is above ground it transitions into _____
RMC (Rigid Metal Conduit) - (ANSWER)What type of conduit is this?
, COSC 325 - ELECTRICAL, COSC 325 - ELECTRICAL EXAM 2026 QUESTIONS AND ANSWERS |
A+ GRADED | WITH EXPERT SOLUTIONS
RMC (Rigid Metallic Conduit) - (ANSWER)What type of conduit is this?
EMT (Electrical Metallic Tubing) - (ANSWER)What type of conduit is this?
EMT (Electrical Metallic Tubing) - (ANSWER)_______ is used into of the building, has the thinnest walls,
and uses set screw or compression fittings
RMC (Rigid Metallic Conduit) - (ANSWER)_______ Has the thickest wall, used outside of the building,
and has threaded connections
Set Screw Fitting - (ANSWER)What type of fitting is this?
Compression - (ANSWER)What type of fitting is this?
Line Box - (ANSWER)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) - (ANSWER)What type of breaker is this?
Feeders - (ANSWER)_____ are the wires and conduits that lead up to the panel
Branches - (ANSWER)_______ leads the power away from the panel
MCB (Main Circuit breaker) - (ANSWER)a panel with a _____ has one main breaker where all the power
goes through which can kill power to all branches connected at once
MLO (Main Lug Only) - (ANSWER)a panel with a ______ does not have a main circuit break and every
switch must be flipped to stop power
A+ GRADED | WITH EXPERT SOLUTIONS
Lock Out Tag Out (LOTO) - (ANSWER)1. Protects you from Electricity
2. Isolated - isolates you from the power souse to keep it out/off and you safe
10 seconds - (ANSWER)A generator MUST kick up within ______
277 - (ANSWER)____ is NEVER line-to-line voltage
romex - (ANSWER)is most common in residential
kVA - (ANSWER)Transformers are measured in what units?
RMC, EMT, PVC - (ANSWER)Which conduits have NO wire?
MC Cable - (ANSWER)Which conduits have wire?
Conductor - (ANSWER)____ is a material that allows electrons to easily move from atom to atom. Ex.
silver, copper, gold, aluminum, iron
Insulator - (ANSWER)_____ is a material that does not allow electrons to easily move from atom to
atom. Ex. Glass, rubber, plastic, or paper
Phases - (ANSWER)_____ Refers to the number of "hot" wires in a system
Transformers - (ANSWER)_____ uses electromagnetism to step-up or step-down AC voltage from one
level to another
Grounding - (ANSWER)protects the occupants by providing a safe pathway for unwanted electricity that
might create a hazard
,COSC 325 - ELECTRICAL, COSC 325 - ELECTRICAL EXAM 2026 QUESTIONS AND ANSWERS |
A+ GRADED | WITH EXPERT SOLUTIONS
System Ground - (ANSWER)_______ protects the entire distribution system of a residence
Equipment Ground - (ANSWER)____ protects individual components connected to an electrical system
GCFI (ground fault circuit interrupters) - (ANSWER)_____ detects low level of leakage current to ground
and open the circuit in response
GCFI (ground fault circuit interrupters) - (ANSWER)Located in bathrooms, kitchens, near pools,
fountains, and garages. designed to detects leakages of current
Transformer - (ANSWER)What electrical equipment is this?
Weather Head - (ANSWER)What electrical equipment is this?
Disconnect - (ANSWER)The purpose of a _______ is to shut off power
AC (Alternating Current) - (ANSWER)Type of current used in buildings
PVC Conduit - (ANSWER)What does this picture show?
PVC Conduit - (ANSWER)______ is used primarily underground because it holds up to corrosion and
decay better
RC - (ANSWER)Once PVC conduit is above ground it transitions into _____
RMC (Rigid Metal Conduit) - (ANSWER)What type of conduit is this?
, COSC 325 - ELECTRICAL, COSC 325 - ELECTRICAL EXAM 2026 QUESTIONS AND ANSWERS |
A+ GRADED | WITH EXPERT SOLUTIONS
RMC (Rigid Metallic Conduit) - (ANSWER)What type of conduit is this?
EMT (Electrical Metallic Tubing) - (ANSWER)What type of conduit is this?
EMT (Electrical Metallic Tubing) - (ANSWER)_______ is used into of the building, has the thinnest walls,
and uses set screw or compression fittings
RMC (Rigid Metallic Conduit) - (ANSWER)_______ Has the thickest wall, used outside of the building,
and has threaded connections
Set Screw Fitting - (ANSWER)What type of fitting is this?
Compression - (ANSWER)What type of fitting is this?
Line Box - (ANSWER)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) - (ANSWER)What type of breaker is this?
Feeders - (ANSWER)_____ are the wires and conduits that lead up to the panel
Branches - (ANSWER)_______ leads the power away from the panel
MCB (Main Circuit breaker) - (ANSWER)a panel with a _____ has one main breaker where all the power
goes through which can kill power to all branches connected at once
MLO (Main Lug Only) - (ANSWER)a panel with a ______ does not have a main circuit break and every
switch must be flipped to stop power
