Introduction to Electrical Wiring Exam Questions With Verified Answers.
1 view 0 purchase
Course
Electrical Wiring
Institution
Electrical Wiring
Introduction to Electrical Wiring Exam
Questions With Verified Answers.
AC - answercurrent changes directions
DC - answercurrent goes in a single direction, negative to positive
Power Supply - answersource of energy
Output Device - answerproduces desired work, aka load
Input Device - answerco...
Conductor - answer✔provides path for current to flow
Most Common Conductor - answer✔copper
Voltage - answer✔force that drives electrons, measured in volts (represented by V or E in formulas)
Current - answer✔movement or flow of electrons, number of electrons flowing through conductor,
measured in amperes (electrons per second, represented by I or A)
Resistance - answer✔opposition to flow of electricity, measured in ohms (represented by omega)
Power - answer✔measure of electricity consume, measured in watts (represented by W), and calculated
by voltage X current
First Rule of Safety - answer✔dress appropriately
Water - answer✔decreases resistance between body and ground
UL - answer✔Underwriters Labratories, recognized testing agency
NEC - answer✔National Electric Code, sets standards for wiring and equipment installation in US
IEC - answer✔International Electrotechnical Commission, product safety standards in many countries
Listed Components - answer✔components certified in safety
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 Thebright. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
