CIW Chapter 7 Flashcards
The maximum amount of bend angles between pull points in a conduit run cannot exceed ___ degrees.
360
A ___ is a conduit fitting that is used to couple boxes back to back.
chase nipple
A(n) ___ is a flush-or surface mounted enclosure used for housing electrical components, devices, and conductor connections.
cabinet
If project documentation is not available, the standard mounting height used for receptacles is ___”, and for wall switches the height is ___”.
18, 48
___ are used to ground metal components and devices to protect personnel from electrical shock.
Bonding jumpers
A ___ is a fill volume assigned to a conductor, clamp, support fitting, or device in a box as specified by the NEC.
volume allowance
For an angle pull, the minimum-size pull box or junction box is determined by multiplying the largest conduit trade-size dimension by ___ and adding the trade size of each of the other conduits to get the minimum pull-box or junction-box dimensions.
Six
A ___ enclosure is an enclosure in which a beating rain cannot interfere with the operation of the apparatus or result in wetting of live parts and wiring within the enclosure.
rainproof
A utility box in an electrical box with rounded corners that is commonly referred to as a(n) ___ box.
handy
A power panelboard uses ___% or less of its overcorrect devices to supply lighting and appliance branch circuits.
10
___ sheet-metal boxes are the most commonly used boxes in industrial and commercial applications.
Galvanized
Enclosures can be classified by method of enclosure mounting, method of enclosure door mounting, and ___.
the type of equipment that enclosure can house.
Box ___ is the volume occupied by conductors, components, and devices.
fill
A ___ enclosure is an enclosure that does not allow falling moisture or dirt to enter the enclosure.
driptight
There must be a minimum workspace of ___’ near an enclosure.
3
