NCCER Module 6 -Device Boxes, Pull and Junction Boxes 2023 Questions and Answers 100% Verified
15 views 0 purchase
Course
NCCER
Institution
NCCER
NCCER Module 6 -Device Boxes, Pull and Junction Boxes 2023 Questions and Answers 100% Verified
The maximum weight allowed by the NEC when celling fans are mounted directly to an approved, unmarked outlet box is _______ pounds.
35
Square metal boxes are available in sizes of 4" and____.
4 and ...
NCCER Module 6 -Device Boxes, Pull and Junction Boxes
2023 Questions and Answers 100% Verified
The maximum weight allowed by the NEC when celling fans are mounted directly
to an approved, unmarked outlet box is _______ pounds.
35
Square metal boxes are available in sizes of 4" and____.
4 and eleventh/sixteenths" (4 11/16)
A box installed under a roofed open porch is considered a ____.
damp location
**How many conductors(s) must be deducted for each strap-mounted device in a
device box?
Two
**The capacity of an outlet box can be increased by using______.
raised device covers(extension rings)
A conductor under 12" (300 mm) long running through a box counts as the
conductor equivalent of______.
1
If there are four equipment grounding conductors in a box, you must deduct
_____ conductor(s) from the total allowed.
1
Box installations are covered in _______.
NEC Sections 314.15 through 314.30
If the largest trade diameter of a raceway entering a pull box is 3", and it is a
straight pull, the minimum size box allowed is ___.
24" (3)(8)=24"
The depth of a pull box with conduit runs entering at right angles _____.
need only be deep enough to permit the proper installation of locknuts and bushings
____ means constructed or protected so that exposure to beating rain will not
result in the entrance of water under specified test conditions.
Raintight
A box designed and constructed to withstand an internal explosion without
creating an external explosion or fire is called______.
Explosion-proof
A box constructed so that moisture will not enter the enclosure under specified
test conditions is ______.
Watertight
A(n) _____ is an enclosure used to facilitate the installation of cables from point
to point in long runs
Pull box
A box constructed or protected so that exposure to the weather will not interfere
with successful operation is referred to as _____.
Weatherproof
A(n) _____ is a metallic or nonmetallic box installed in an electrical wiring system
from which current is taken to supply some apparatus or device.
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 magdamwikash23. 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.
