UL 514A-2009 pdf download – Metallic Outlet Boxes.
3.9 DRIPPROOF : Designation for a type of marine product that is constructed or protected so that falling drops of liquid or solid particles striking the enclosure do not interfere with the intended operation of the equipment. 3.1 0 EXTENSION RING : A ring, which is not necessarily round, intended to extend the sides of an OUTLET BOX or flush- DEVICE BOX to increase the box depth, volume, or both. 3.1 1 FLOOR BOX : A box mounted in the floor intended for use with a FLOOR BOX COVER or other components to complete the enclosure. 3.1 1 .1 FLOOR BOX COVER : A component of a FLOOR – MOUNTED ENCLOSURE assembly intended to complete the enclosure. 3.1 1 .2 FLOOR – MOUNTED ENCLOSURE : A box and cover assembly provided with a means for mounting in a floor. 3.1 1 .3 FLUSH FLOOR BOX COVER : A FLOOR BOX COVER that, when installed as intended, is essentially flush with the floor’s finished surface. Note: A FLUSH FLOOR BOX COVER may have openings for access to flush-mounted receptacle outlets or openings or knockouts for attachment of conduits or fittings. Openings may be provided for access to data and communications outlets. 3.1 1 .4 NON – DETACHABLE HUB : An integral, non-detachable protuberance from a box intended for the attachment of a raceway essentially independent of the box. Conduit body hubs are not included. 3.1 2 OUTLET BOX : A box that provides access to a wiring system having pryout openings, knockouts, threaded entries, or hubs in either of the sides or the back, or both, for the entrance of conduit, conduit or cable fittings, or cables. The box has provisions for the mounting of an OUTLET BOX COVER ; however, it does not have provisions for mounting a wiring device directly to the box.
3.1 7.1 RECESSED ACCESS FLOOR BOX : A FLOOR BOX with provisions for mounting wiring devices below the floor surface. 3.1 7.2 RECESSED ACCESS FLOOR BOX COVER : A FLOOR BOX COVER that, when installed as intended, is essentially flush with the floor’s finished surface and provides access to and passage of cords to recessed wiring devices mounted within a recessed floor box. 3.1 8 STRUCTURE , UNFINISHED ( NEW WORK ): Construction where structural framing members are accessible for direct mounting and support of boxes. 3.1 9 STRUCTURE , FINISHED ( OLD WORK ): Construction where structural framing members are not accessible for mounting and supporting boxes. 3.20 SUPPORTING – NAIL HOLE : A hole provided in a box for the purpose of mounting the box to a structure using nails or screws. The following are not considered nail holes: a) A hole that is 3 mm (0.1 20 in) or smaller in diameter, and b) A hole that is located so as to prevent insertion of a 3-mm (0.1 20-in) diameter drill rod through both walls.