IEC Final Second Year Questions and Correct Answers Latest Update, Graded A+
3 views 0 purchase
Course
IEC
Institution
IEC
Anex _____ in the NEC contains examples of load calculations for dwellings.
o :## D
Which of the installations listed below would be a wet location?
-a receptacle installed on the exterior wall of a building
- a run of PVC conduit installed on a fishing pier
-a luminaire installed on a parking...
IEC Final Second Year Questions and
Correct Answers Latest Update,
Graded A+
Anex _____ in the NEC contains examples of load calculations for dwellings.
o :## D
Which of the installations listed below would be a wet location?
-a receptacle installed on the exterior wall of a building
- a run of PVC conduit installed on a fishing pier
-a luminaire installed on a parking lot pole
o :## all of these
Which of the following is an example of a bare conductor?
- a 12 awg THHN copper wire
- the bare ground wire contained within romex (NM cable) sheathing
-the bare aluminum wire twisted with triplex
o :## the bare aluminum wire twisted with triplex
Which of the following statements is TRUE for an individual (or dedicated) branch
circuit that is run in a conduit with other circuits?
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
,2|Page : 2024 | Grade A+
o :## it can share a neutral with another circuit
Equipment designed to open circuits under ____ shall have an interrupting rating
not less than the nominal circuit voltage and the current that is available at the
line side of the equipment.
- short circuit
-overload
-ground fault
o :## all of these
The NEC permits the insulation for an ungrounded conductor to be _____ in color.
- orange
-black
-brown
-yellow
o :## any of these
Which of the following locations requires that a three-way switch be installed at
the lower landing and another three-way switch be installed at the upper landing
to control the stair way lighting between the 1st and 2nd floors?
o :## a townhome
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
, 3|Page : 2024 | Grade A+
A 175- amp breaker protects a feeder that originates in a 277/480-volt, 3-ph, 4
wire service panel in an office building. Which of the following conductors is the
smallest size permitted for the feeder ?
o :## 2/0
A 200-amp breaker protects a feeder that originates in a 120/240 volt, 3 ph, 4 wire
service panel in a movie theatre. Which of the following THHN/THWN conductors is
the smallest size permitted for the feeder ?
o :## 3/0
The maximum number of 3-pole circuit breakers used as service disconnects
permitted in a 3 phase panelboard is ______.
o :## 6
Which of the following are characteristics of THHN/THWN insulation?
- heat-resistant
- a nylon outer covering or some equivalent
- flame retardant
-moisture-resistant
o :## all of these
For the purpose of determining the number of current-carrying conductors in a
cable or conduit, the neutral _____ counted when the branch circuit is 120/240-
volt, 1 phase, 3 wire connected to a 120/240-volt, 3 phase delta, 4 wire
Master01: DO NOT COPY AND PASTE!! August 22, 2024 Latest Update
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 MASTER01. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
