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  • Used for housing switches and receptacles.
  • Made of metal or plastic and have the capability to be mounted to a wall or stud.
  • The holes in the side of the box where the conduit enters the box are called knockouts. In metal boxes, conduit can also be secured to the holes.
  • Four-Inch Square and Shallow boxes are other types only 1-1/2“ or 2”deep for places too shallow to mount a standard box.
  • Handy box is surface mounted and has rounded corners for safety.
  • Drywall box has expandable arms and can be mounted on drywall.
  • Plastic box is best for new installation and often has a nail built-in for quick attachment to the stud.
  • Gem box is a commonly made box, usually 2” wide, 3”high and 2-1/2” deep and made of metal. Deeper boxes are available.

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