Name: 
 

Chapter 10



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

A common height for switches in an electrical box is ____ inches to the center of the box.
a.
16
c.
45
b.
18
d.
48
 

 2. 

Lighting fixtures that weight more than ____ pounds cannot be supported by just the electrical outlet box, according to Section 314.27 of the NEC®.
a.
25
c.
50
b.
40
d.
70
 

 3. 

If the house is being wired for new construction, new-work electrical boxes with no ____ will be used.
a.
pigtails
c.
ears
b.
wirenuts
d.
cover
 

 4. 

Metal device boxes are available with depth gauge markings on the side of the box to help electricians determine the proper ____ for the box.
a.
volume
c.
dimensions
b.
setout
d.
fill
 

 5. 

What is the volume allowance in an electrical box for conductors that pass through the box without splice or connection?
a.
none
c.
one for each conductor
b.
one only
d.
two for each conductor
 

 6. 

A common method for determining proper box size is to ____.
a.
subtract the actual total box fill from the total box volume
b.
subtract the total box volume from the actual total box fill
c.
add the actual total box volume and the size of the pigtails and wirenuts
d.
add the actual total box fill and the volume of the dome cover
 



 
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