Where Device Boxes Are Installed in Walls or Ceilings with a Noncombustible

question 21

Multiple Choice

Where device boxes are installed in walls or ceilings with a noncombustible surface, the edge of the box must __________ the wall or ceiling surface.

• A) not be set back farther than 1/8 inch from
• B) not be set back farther than 1/4 inch from
• C) not be set back farther than 1/2 inch from
• D) be flush with