When device boxes are installed in walls or ceilings with a combustible surface such as wood, the edge of the boxes must __________ the finished surface.
a. not be set back farther than 1/8 inch from
b. not be set back farther than 1/4 inch from
c. nor be set back farther than 1/2 inch from
d. be flush with
d. be flush with
Trades & Technology
You might also like to view...
____ are permanent fasteners used to join two materials.
A. Washers B. Reinforcing bars C. Rivets D. Steel bolts
Trades & Technology
Calculate the rolling frequency of this tire at 50 mph.
A) 653 Hz
B) 7.4 Hz
C) 11 Hz
D) 13.8 Hz
Trades & Technology
Explain the difference between direct and alternating current.
What will be an ideal response?
Trades & Technology
Which of the following is not a high-value wholesale cut of beef?
A. loin B. brisket C. rib D. rump
Trades & Technology