NEC Art. 314 & 334 Flashcards
When Type NM cable is run across the top of a floor joist in an attick without permanent ladders or stairs, guard strips within ______ of the scuttle hole or attic entrance shall protect the cable
3 ft
4 ft
5 ft
6ft
6ft
334.23
Handhole enclosure covers shall require the use of tools to open, or they shall weigh over
45 lb
70 lb
100 lb
200 lb
100 lb
314.30(D)
Outlet boxes can be secured to suspended-ceiling framing members by mechanical means such as ________, or by other means identified for use with the suspended-ceiling framing members(s)
bolts
screws rivets
any of these
any of these
314.23(D)(1)
Underground _____ shall be installed so they are accessible without excavating sidewalks, paving, earth, or other substance that is to be used to establish the finished grade.
boxes and handhold enclosures
conduit bodies
handhole enclosures
none of these
boxes and handhold enclosures
314.29(B)
Type NM cable on a wall of an unfinished basement installed in a listed raceway shall have a _____ installed at the point where the cable enters the raceway.
suitable insulating bushing or adapter
sealing fitting
bonding bushing
junction box
suitable insulating bushing or adapter
334.15(C)
A box is not required for Type NM cable where used with _____.
self contained switches
self contained receptacles
listed nonmetallic-sheathed cable interconnector devices
any of these
any of these
334.40(B)
A pendant box shall be supported from a multiconductor cord or cable in an approved manner that protects the conductors against strain. A connection to a box equipped with a hub shall be made with a(an) _____ cord grip attachment fitting marked for use with a threaded hub.
approved
listed
marked
identified
listed
314.23(H)(1)
Where conduit or tubing is used for the protection from physical damage of Type NM cable, it shall be provided with a bushing or adapter that provides protection from abrasion at the point the cable _____ the raceway.
Enters and exits
leaves and comes into
begins and ends
none of these
enters and exits
334.15(B)
Handhole enclosures shall be designed and installed to withstand _____.
600 lb of pressure
3000 lbs of preassure
6000 lbs of pressure
all loads likely to be imposed on them
All loads likely to be imposed on them
314.30
Boxes and conduit bodies shall be of an approved size to provide free space for all enclosed _____.
conductors
314.16
TYpe NM and type NMC cables are permitted in ________, except as prohibited in 334.12
one and two family dwellings and their attatched/detatched garages and storage buildings
multifamily dwellings and their detatched garages permitted to be of Types III, IV, and V construction
other structures permitted to be of Types III, IV, and V construction
any of these
Any of these, 334.10(1), (2), and (3)
Where up to four equipment grounding conductors enter a box, _____ volume allowance in accordance with Table 314.16(B) shall be made based on the largest equipment grounding conductor entering the box.
a single
a double
a 1/4
no additional
a single
314.16(B)(5)
Where a luminaire stud or hickey is present in the box, _____ volume allowance shall be made for each type of fitting, based on the largest conductor present in the box.
a single
a double
a 1/4
no additional
A double
314.16(B)(3)
Flat Type NM cables shall not be stapled on the edge true false
true
334.30
Where Type NM cable is run at angles with joists in unfinished basements and crawl spaces, it is permissible to secure cables not smaller than _____conductors directly to the lower edges of the joist.
three, 6 AWG
four, 8 AWG
four, 10 AWG
two 6 AWG, or three 8 AWG
two 6 AWG or three 8 AWG
334.15(C)