Exam (elaborations)
COMMERCIAL AND INDUSTRIAL WIRING CHAPTER 5 & 6 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
- Course
- Institution
COMMERCIAL AND INDUSTRIAL WIRING CHAPTER 5 & 6 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
[Show more]
Content preview
COMMERCIAL AND INDUSTRIALWIRING CHAPTER 5 & 6 QUESTIONS
AND ANSWERS WITH SOLUTIONS 2024
Reinforced thermosetting resin conduit RTRC is made from _______ reinforced epoxy. - ANSWER
Fiberglass
______ is a lightweight tubular steel raceway without threads on the ends. - ANSWER EMT
Conductor fill cannot exceed _______ percent underfloor raceways. - ANSWER 40
Rigid metal conduit must be securely fastened in place with supports a minimum of every _______'. -
ANSWER 10
For three or more conductors installing conduit, the maximum fill rate is _______ percent. - ANSWER 40
FMC must be securely fastened with _______ inches of each box, cabinet, conduit body, or point at
which the FMC it terminates. - ANSWER 12
An _______ bend is a
Bend conduit made perpendicular to the original length of the conduit, with the conduit extending a
specified length from back of the bend - ANSWER 90 Degree
Per the only NEC, ENT has restrictions as to its use ______ floors above grade. - ANSWER Three
Most nonmetallic raceways are constructed of ______. - ANSWER Polyvinyl chloride (PVC)
A ________ is a die that is of a certain size and used to fit inside a ratchet handle. - ANSWER Drop head
die
, Unless otherwise marked, LFMC is limited to an operating temperature of ________ degrees Fahrenheit
and ________ C. - ANSWER 140;60
Protector caps are colored _______ for RMC sizes 3/4 an 1 1/4 - ANSWER Red
______ conduit is nonmetallic and intended for encasement in concrete in any location. - ANSWER Type
A PVC
Surface raceway is typically used with lighting, power, and signal circuits of ________ volts and less -
ANSWER 300
A _____ Cable tray that has vertical side rails with evenly spaced horizontal rungs. - ANSWER Ladder
A ______ is an enclosed channel for routing and placing electrical conductors and cables. - ANSWER
Raceway
Conduit nipples have a maximum fill rate of ______ percent of their cross-sectional area. - ANSWER 60
_______ conduit is particularly resistant to moisture in corrosive environments. - ANSWER HDPE
________ cable trays are typically use for low-voltage and low power applications where access to cables
as required after installation. - ANSWER Single rail
If the construction of a building is such that the EMT cannot be fastened to meet the 3 foot distance
requirement, then the distance can be _______. - ANSWER Increase to 5 foot
Because of its flexibility and outer jacket, ____ is used in industrial applications for connecting raceway
systems to motors, heaters, and other pieces of electrical machinery. - ANSWER LFMC
Protector caps are colored _______ for RMC sizes 1/2 in, 1 1/2in , 2 1/2 inches, and 3 1/2 inches. -
ANSWER Black
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 Performance. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72841 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now