Exam (elaborations)
Residential Wiring chapter 15,19 & 22 Exam Questions and Answers
- Course
- Institution
Residential Wiring chapter 15,19 & 22 Exam
[Show more]
Content preview
Residential Wiring chapter 15,19 & 22Exam
1. A "unit switch" used as a disconnecting means for an appliance shall ____. - Answer
-interrupt all ungrounded circuit conductors
2. A duplex grounding-type receptacle is usually installed in an accessible location
under the sink for plugging in the dishwasher and food waste disposer, and it does not
have to be ____ protected. - Answer -GFCI
3. A feeder or service neutral load can be figured at ____ of the load on the ungrounded
conductors for ranges and ovens. - Answer -70 percent
4. A raised plaster cover (often called a plaster ring or mud ring) is permitted to increase
the maximum number of conductors permitted in an outlet box when it is ____. - Answer
-marked with its cubic-inch volume
5. All 125-volt, 15- and 20-ampere receptacles installed to serve a kitchen countertop
are required ____. - Answer -to be supplied by at least two 20-ampere small appliance
circuits; to have GFCI protection for personnel
6. All of the following are acceptable disconnecting means for appliances, except for
____. - Answer -a horsepower-rated switch
7. Article ____, Part VI, covers equipment grounding and equipment grounding
conductors. - Answer -250
8. Because of the dangers associated with the open neutral (grounded conductor), NEC
300.13(B) does not permit the continuity of the ____ conductor to depend on a
receptacle. - Answer -grounded (neutral)
9. Cord sets rated 30 amperes are usually called ____cords, and cord sets rated 40, 45,
or 50 amperes are called ____ cords. - Answer -dryer, range
10. Cord-and-plug-connected appliances shall not exceed ____ percent of the branch-
circuit rating. - Answer -80
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 $9.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now