material
In which chapter of the NEC will you find the installation requirements for conduit?
Chapter 2
Chapter 3
Chapter 4
Chapter 5 - ANS✔✔ Chapter 3
The maximum number of degrees of been allowed between pull points in a conduit run
is__________.
180
270
360
450 - ANS✔✔ 360
When joining PVC, apply PVC cement to___________.
The end of the conduit and fittings
The end of the conduit only
The fitting only
The end of the conduit and primer to the fitting - ANS✔✔ The end of the conduit and fittings
A bend used for a change in direction of less than 90 is called a(n)____________.
Kick
Offset
Saddle
, Stub-up - ANS✔✔ Kick
Two or more parallel bands that are bent in the same direction are known as____________.
Axial bends
Concentric bends
Perpendicular bends
Stubs - ANS✔✔ Concentric bends
You are making a 20 inch offset with two 30° bends. The distance between bends is
___________ inches.
24
28
32
40 - ANS✔✔ 40
An important safety precaution to use when working with PVC conduit in to_____________.
-Provide proper ventilation to carry off fumes from the joint cement
-Use links of PVC of not more than 8 feet
-Use inside diameters of 4 inches or less
-Never wear gloves that may adhere to the joints cement - ANS✔✔ Provide proper ventilation
to carry off fumes from the joints cement
Airtight plugs are installed in the end of large sizes of PVC conduit during bending
to____________.
-prevent the conduit form wrinkling or flattening during bending
-to hold heat inside the conduit to keep it flexible
-prevent condensation within the conduit