Article 352
PVC
PVC
PVC conduit shall be securely fastened within _____ in. of each box.
36
352.30(A)
_____ is a raceway of circular cross section having an outer liquidtight, nonmetallic, sunlight-resistant jacket over an inner flexible metal core.
LFMC
350.2 Liquidtight Flexible Metal Conduit (LFMC)
Article 348 covers the use, installation, and construction specifications for flexible metal conduit (FMC) and associated _____.
fittings
348.1
The voltage between conductors in a surface metal raceway shall not exceed _____ unless the metal has a thickness of not less than 0.040 in. nominal.
300V
386.12(2)
A cable tray is a unit or assembly of units or sections and associated fittings forming a _____ system used to securely fasten or support cables and raceways.
structural
392.2 Cable Tray System
PVC conduit is permitted in locations subject to severe corrosive influences and where subject to chemicals for which the materials are specifically _____.
approved
352.10(B)
Extreme cold can cause some types of nonmetallic conduits to become _____ and therefore more susceptible to damage from physical contact.
brittle
356.10 Informational Note
Bends in FMC shall be made so that the conduit is not damaged and the internal diameter of the conduit is _____.
not effectively reduced
348.24
Unbroken lengths of surface metal raceways can be run through dry _____.
walls, partitions, floors
386.10(4)
For raceways terminating at a cable tray, a(an) _____ cable tray clamp or adapter shall be used to securely fasten the raceway to the cable tray system.
listed
392.18(G)
Joints between PVC conduit, couplings, fittings, and boxes shall be made by _____.
an approved method
352.48
LFNC shall be permitted for _____.
direct burial where listed and marked for the purpose, exposed work, outdoors where listed and marked for this purpose
356.10(3) and (4)
Cable ties used to securely fasten flexible metal conduit shall be _____ for securement and support
listed and identified
348.30(A)
Surface metal raceway enclosures providing a transition from other wiring methods shall have a means for connecting a(an) _____ conductor.
equipment grounding
386.60
In industrial facilities where conditions of maintenance and supervision ensure that only qualified persons will service the installation, cable tray systems can be used to support _____.
raceways, cables, boxes and conduit bodies
392.18(G)
The number of conductors permitted in PVC conduit shall not exceed the percentage fill specified in _____.
Chapter 9, Table 1
352.22
Where flexibility is not required after installation, liquidtight flexible metal conduit shall be permitted to be used as an equipment grounding conductor when installed in accordance with _____.
250.118(6)
350.60
Cut ends of FMC shall be trimmed or otherwise finished to remove rough edges, except where fittings _____.
thread into the convolutions
348.28
The conductors, including splices and taps, in a metal surface raceway having a removable cover shall not fill the raceway to more than _____ percent of its cross-sectional area at the point of the splice or tap.
75%
386.56
Where single conductor cables comprising each phase, neutral, or grounded conductor of a circuit are connected in parallel in a cable tray, the conductors shall be installed _____, to prevent current imbalance in the paralleled conductors due to inductive reactance.
in groups consisting of not more than one conductor per phase, neutral, or grounded conductor
392.20(C)
Field bends in PVC conduit shall be made only _____.
with bending equipment identified for the purpose
352.24
When LFMC is used to connect equipment where flexibility is necessary to minimize the transmission of vibration from equipment or for equipment requiring movement after installation, a(an) _____ conductor shall be installed.
equipment grounding
350.60
FMC shall not be installed _____.
in wet locations, embedded in poured concrete, where subject to physical damage
348.12(1), (6), and (7)
The ampacity adjustment factors of 310.15(C)(1) shall not apply to conductors installed in surface metal raceways where the _____.
cross-sectional area exceeds 4 sq in., current-carrying conductors do not exceed 30 in number, total cross-sectional area of all conductors does not exceed 20 percent of the interior cross-sectional area of the raceway
386.22(1), (2), and (3)
Cable _____ made and insulated by approved methods can be located within a cable tray provided they are accessible, and do not project above the side rails where the splices are subject to physical damage.
splices
392.56