Exam (elaborations)
COSC 325 - Electrical, COSC 325 - Electrical Exam Questions and Answers
- Course
- Institution
COSC 325 - Electrical, COSC 325 - Electrical Exam
[Show more]
Content preview
COSC 325 - Electrical, COSC 325 -Electrical Exam
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
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?
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80202 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now