beam box


Also found in: Dictionary.

beam box

[′bēm ‚bäks]
(building construction)

wall box, beam box, wall frame

1. A frame or box which is set into a brick, masonry, or stone wall to receive a timber beam or joist.
2. In electrical wiring, a metal box which is set in a wall for switches, receptacles, etc.
References in periodicals archive ?
Beam boxes are often part of the floor frame of small buildings, and they need to come together square and true.