Exam (elaborations)
Residential Wiring Midterm Exam Questions and Answers
- Course
- Institution
Residential Wiring Midterm Exam Questions and Answers
[Show more]
Content preview
Residential Wiring Midterm ExamQuestions and Answers
When nonmetallic device boxes that are 2-gang or more are used, the installed
Type NM cable must be secured no more than __________ inches from the box.
a.12
b.10
c.18
d.8
a 12
A low resistance path, which results in a high value of current that flows around,
rather than through, a circuit is called a(n) __________ circuit.
a. grounded
b. short
c. grounding
d. open
1. A ____________________-ampere overcurrent protection device is required
for a residential general-purpose branch circuit wired with a 12 AWG copper
conductor.
20
,1. A(n) _________________________________ is a fuse type that has a time-
delay feature built into it and is often used as an overcurrent protection device for
electric motor circuits.
dual-element time-delay fuse
1. If a switching device has the marking CU ONLY on it, an electrician can use only
__________ wire with the device.
copper
1. ____________________ switches are used to control one or more lighting
loads from two or more locations.
three-way
1. A(n)_________ is an entranceway or transitional space from the exterior to the
interior of a house.
foyer
1. Where cables and raceways are installed less than 1-1/4 inches from the edge
of framing members, a metal plate at least ____________________ thick must be
installed to protect the cables and raceways. (General Rule)
1/16-inch
1. The minimum number of small appliance circuits required by the NEC ® in each
house is __________.
2
1. There is no maximum number of receptacles allowed on 15- or 20-ampere
branch circuits in a house according to the NEC ® but it is suggested that the
maximum number of receptacles permitted on a 15-ampere rated circuit be no
more than 10 and the maximum number of receptacles permitted on a 20-
ampere rated circuit be no more than __________.
13
, 1. Lamp ________is a ratio of the number of lumens a lamp produces to each
watt of power it uses.
efficacy
1. The brass-colored terminals on a three-way switch are called the __________
terminals.
traveler
1. A(n) ________ is a device used to determine dimensions on a set of building
plans and is usually three-sided with each side marked with specific calibrated
scales.
architect's scale
1. An electrician discovers that a two-wire cable has been installed instead of a
three-wire cable. To remedy the problem, the electrician installs an additional
single insulated conductor along with the two-wire cable. This wiring method is
acceptable according to the NEC ®.
F
1. The term used by electricians to describe the process of installing a residential
electrical system is ____________________.
wiring
1. The metal frame that a receptacle or switch is built around is called a(n)
____________________.
yoke
1. Where should carbon monoxide (CO) alarms be mounted?
Near bedrooms and living areas
Where occupants where hear the alarm while sleeping
On each level of a home and out of reach of children
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 $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80461 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now