This Standards Publication covers those general-purpose nonmetallic outlet boxes@ device boxes@ covers@ and supports that are widely used by the consumer. These items (covered by UL 514C) are designed to facilitate the pulling of wires@ to protect and facilitate wiring splices and taps@ to provide a means of mounting and protecting wiring devices@ and to provide a connection for nonmetallic sheathed cable@ nonmetallic tubing (Loom)@ rigid nonmetallic conduit@ and electrical nonmetallic tubing or other approved raceways.Excluded from this Standards Publication are the following: "conduit bodies" and similar types of boxes; cabinets or cutout boxes; floor boxes; flush device cover plates; boxes@ plates@ and covers designed for use with surface metal or surface nonmetallic raceway systems only; and boxes larger than 1650 cm? (100 cu. in.) in volume@ except multiple gang device boxes.?
NEMA OS 2-2008 history
2013NEMA OS 2-2013 Nonmetallic Outlet Boxes@ Device Boxes@ Covers@ and Box Supports
2008NEMA OS 2-2008 Nonmetallic Outlet Boxes@ Device Boxes@ Covers and Box Supports
2003NEMA OS 2-2003 Nonmetallic Outlet Boxes, Device Boxes, Covers and Box Supports
1998NEMA OS 2-1998 Nonmetallic Outlet Boxes@ Device Boxes@ Covers and Box Supports
1986NEMA OS 2-1986 Nonmetallic Outlet Boxes@ Device Boxes@ Covers and Box Supports
1980NEMA OS 2-1980 NONMETALLIC OUTLET BOXES@ DEVICE BOXES@ COVERS AND BOX SUPPORTS; REVISION 1 - JULY 1981