Application:
These raised device covers are used to mount light fixtures, security cameras and other devices in walls and ceilings.

Advantages:
Garvin Industries’ square-to-round device rings convert a square box to a round ceiling or wall opening with 8-32 threaded mounting tabs, 2.75” c.c (center-to-center). For ceiling lights or wall sconce lights. The angled slots on the covers compensate for up to 12° of box misalignment on upright framing members.

Field Names:
Square-to-Round switch cover, plaster ring, mud ring, drywall ring, mud cover, tile ring, switch ring, receptacle cover, raised device ring, raised device cover, square plaster frame, 1900 plaster ring, 1900 square to round ring, 1900 square to round.