Device Boxes

The maximum weight allowed by the NEC when ceiling fans are mounted directly to an approved, unmarked outlet box is?

• 25#

• 35#

• 45#

• 55#

Square outlet boxes are available in sizes of 4" and _____?

• 6"

• 5"

• 4-11/16

• 5-1/2"

A box installed under a roofed open porch is considered a _______?

• dry location

• wet location

• damp location

• weatherproof location

How many conductor(s) must be deducted for each strap-mounted device in a device box?

• One

• Two

• Three

• Four

The capacity of an outlet box can be increased by using?

• fixture studs

• strap-mounted devices

• wire nuts

• raised device covers

A conductor under 12" long running through a box counts as two conductors.

• True

• False

If there are four equipment grounding conductors in a box, you must deduct ______ conductor(s) from the total allowed.

• 1

• 2

• 3

• 4

If the largest trade diameter of a raceway entering a pull box is 3", and it is a straight pull, the minimum size box allowed is?

• 20"

• 24"

• 30"

• 36"

The depth of a pull box with conduit runs entering at right angles need be only of sufficient depth to permit locknuts and bushings to be properly installed.

• True

• False

Factors to consider when installing boxes are covered in?

• NEC Sections 314.1 thru 314.15

• NEC Sections 314.15 thru 314.30

• NEC Sections 314.40 thru 314.44

• NEC Sections 314.70 thru 314.72