Exam (elaborations)
Electrical Level 3 Module 1 Load Calculations And Branch Feeder Circuits – Questions & Answers
- Module
- Institution
Electrical Level 3 Module 1 Load Calculations And Branch Feeder Circuits – Questions & Answers
[Show more]
Seller
Follow
LeCrae
Reviews received
Content preview
Electrical Level 3 Module 1 Load Calculations AndBranch Feeder Circuits – Questions & Answers
According to the NEC®, the ampacity of branch circuit conductors must be
derated when there are more than how many current-carrying conductors in
a raceway? Right Ans - 3
Air conditioning overcurrent protective devices can never exceed what
percentage of the motor-rated load current or the branch circuit selection
current (whichever is greater)? Right Ans - 225%
Conductors must be derated when installed in conduit Right Ans - on or
above rooftops
Continuous loads are calculated at what percentage of the maximum current
rating of the overcurrent device? Right Ans - 80%
For a given load and length, the branch circuit voltage drop should not exceed
Right Ans - 3%
For resistance welders, the rating for the overcurrent protection device
should not exceed what percentage of the primary current rating of the
welder? Right Ans - 300%
Show window lighting is calculated at 200VA per linear foot plus Right Ans
- 125%
The allowable ampacity for eleven No. 12 THHN copper conductors in a cable
must be adjusted by Right Ans - 50%
The load for 10' of multi-outlet assembly used to supply several loads
simultaneously is Right Ans - 1,800VA
The maximum size dual-element fuse for a 40hp, 3Ø, 460V motor with a
Design Letter D is Right Ans - 100A
What is the demand load for one household range with a nameplate rating of
11.75kW, 240V, 1Ø? Right Ans - 8kW
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 £7.35. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
66579 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