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Electrical Boxes 101 - Lighting, Ceiling Fan, Junction Boxes

By Bob Formisano, About.com

4 of 9

Octagon and Round Electrical Box

Octagonal and Round Electrical Boxes

© Home-Cost.com 2007

OCTAGON AND ROUND ELECTRICAL BOX

Typical Size:
1-1/2" to 2-1/8” Deep

Usage:

  • Typically used for installation of ceiling or wall mounted light fixtures up to 50 pounds;
  • May be used as a Junction box;
  • Metal box may also be used as a switch or outlet box in surface mounted installations using metal conduit;
  • Round plastic box usually has "ears" for fastening to wall or ceiling in existing or "old work" applications.

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  5. Introduction to Ceiling and Wall Electrical Boxes: Octagon - Round

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