Exam (elaborations)
Branch Service Feeder And Load Calculations – Questions & Proper Answers
- Module
- Institution
Branch Service Feeder And Load Calculations – Questions & Proper Answers
[Show more]
Seller
Follow
LeCrae
Reviews received
Content preview
Branch Service Feeder And Load Calculations –Questions & Proper Answers
The requirements for calculating certain loads are found in Article 220 of the
National Electrical Code. Which of the following load calculations are covered
in this article?
A. Branch-circuit loads
B. Feeder loads
C. Service loads
All of the above Right Ans - D
When calculating branch-circuit. feeder or service loads. vou should round the
calculation to the nearest whole ampere. What voltage should be used when
calculating for those loads?
A. Whatever voltage is specified
B. 120, 120/240, 208/120 or 240
C. 347, 480 Y/277, 480 600/347 or 600
D. All of the above Right Ans - D
Which dimensions should be used to calculate the floor area of a building?
A. Inside dimensions
B. Outside dimensions
C. Either A or B
D. Neither A nor B Right Ans - B
At what HP can a motor be connected to a lighting circuit and still be
considered a
"general lighting load"?
A. 1/8 HP
B. 1/4 HP
C. 1/2 HP
D. 1 HP Right Ans - A
General use receptacles and outlets NOT for general illumination in all
occupancies
should be calculated according to Article 220.14 of the National Electrical
Code. What are the loads that are shown there based on?
A. Nominal feeder voltages
, B. Nominal branch -circuit voltages
C. Either A or B
D. Neither A nor B Right Ans - B
There are requirements for loads related to adding a structural addition onto
an existing dwelling unit. Where will you find the requirements for such an
occurrence in the National Electrical Code?
220.12
B. 220.14
ΠBoth A and B
D Neither A nor B Right Ans - B
The rating of a branch circuit will determine the total load, the maximum of
which will not
be exceeded.
A True
B. False Right Ans - A
The sum of the loads on branch circuits being supplied will determine the
calculated load
or a leecer or service
A. True
B. False Right Ans - A
The demand factors for general lighting should be applied to the total branch-
circuit load
that will be calculated for general illumination. Will the demand factors also
be considered when determining the number of branch circuits tor aenera
illumination?
A. Yes
B. No Right Ans - B
The load for show-window lighting should be a minimum of 200 volt-
amperes/linear foot.
How should that be measured?
A. Horizontally along all sides of the window
B. Horizontally along the base of the window
C. Either A or B
D. Neither A nor B Right Ans - B
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 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 LeCrae. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £8.11. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
64438 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now