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NCCER Module 6 -Device Boxes, Pull and Junction Boxes 2023 Questions and Answers 100% Verified CA$15.14   Add to cart
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NCCER Module 6 -Device Boxes, Pull and Junction Boxes 2023 Questions and Answers 100% Verified
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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 ...

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  • August 31, 2023
  • 2
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • nccer module 6 device boxes pull and junction bo

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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.

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