CIW Chapter 6 Flashcards
Reinforced thermosetting resin conduit (RTRC) is made from ___ reinforced epoxy.
fiberglass
___ is a lightweight tubular steel raceway without threads on the ends.
EMT
Conductor fill cannot exceed ___% in underfloor raceways.
40
Rigid metal conduit must be securely fastened in place with supports a minimum of every ___’.
10
For three or more conductors installed in conduit, the maximum fill rate is ___%
40
FMC must be securely fastened within ___” of each box, cabinet, conduit body, or point at which the FMC terminates.
12
A(n) ___ bend is a bend in conduit made perpendicular to the original length of the conduit, with the conduit extending a specified length from the back of the bend.
90 degree
Per the NEC, ENT has restrictions as to its use ___ floor(s) above grade.
three
Most nonmetallic raceways are constructed of ___.
polyvinyl chloride (PVC)
A ___ is a die that is of a certain size and used to fit inside a ratcheting handle.
drop head die
Unless otherwise marked, LFMC is limited to an operating temperature of ___ degrees F, ___ degrees C.
140, 60
Protector caps are colored ___ for RMC sizes 3/4 and 1-1/4
red
___ conduit is nonmetallic and intended for encasement in concrete in any location.
Type A PVC
Surface raceway is typically used with lighting, power, and signal circuits of ___V and less.
300
A ___ cable tray that has vertical side rails with evenly spaced horizontal rungs.
ladder
A ___ is an enclosed channel for routing and placing electrical conductors and cables.
raceway
Conduit nipples have a maximum fill rate of ___% of their cross-sectional area.
60
___ conduit is particularly resistant to moisture and corrosive environments.
HDPE
___ cable trays are typically used for low-voltage and low-power applications where access to cables is required after installation.
Single-rail
If the construction of a building is such that the EMT cannot be fastened to meet the 3’ distance requirement, then the distance can be ___.
increased to 5’
