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ORANGE COUNTY 260535-2 <br /> <br />Emergency Management Warehouse Building Dehumidification Electrical Boxes and Fittings <br /> <br /> <br /> <br />Device Boxes: Provide galvanized coated flat rolled sheet-steel device boxes, of shapes, cubic inch capacities, and 1 <br />sizes, including box depths as indicated, suitable for installation at respective locations. Unless otherwise specified 2 <br />device boxes shall be 4" square by 2 1/8” deep, flush mounted, and furnished with suitable plaster ring for the type 3 <br />devices to be used and of a depth to match the type of construction involved. Device boxes shall have ¾" knockout 4 <br />openings in bottom and ends, and with threaded screw holes in the rear for attachment of a grounding conductor. All 5 <br />fasteners shall have a corrosion resistant finish. 6 <br /> 7 <br />Where more than two devices are ganged together at a single location provide gangable device boxes with suitable 8 <br />partitions, conduit knockouts and attachment hardware. 9 <br /> 10 <br />Device Box Accessories: Provide device box accessories as required for each installation, including mounting 11 <br />brackets, device box extensions, switch box supports, plaster ears, and plaster board expandable grip fasteners, 12 <br />which are compatible with device boxes being utilized to fulfill installation requirements for individual wiring 13 <br />situations. Choice of accessories is Contractor's code-compliance option. 14 <br /> 15 <br />Where device boxes are surface mounted (as may permitted elsewhere) use cast steel type ‘FS’ boxes. Raintight 16 <br />device boxes shall have threaded conduit holes for the attachment of electrical conduit, cast-metal face plates with 17 <br />spring-hinged watertight caps suitable configured for each application, including face plate gaskets and 18 <br />corrosion-resistant plugs and fasteners. Boxes provided under this section shall have a threaded internal grounding 19 <br />conductor attachment point. 20 <br /> 21 <br />Device boxes exposed to outdoor or wet locations shall be flush mounted and shall be equipped with cast steel 22 <br />covers that are designed to exclude water when closed. 23 <br /> 24 <br />Provide covers that are suitable for use in wet location with device attached if such use is indicated on the 25 <br />Drawings. 26 <br /> 27 <br />Where flush mounting is not possible or not practicable due to the location of the device, provide surface 28 <br />mounted cast steel type ‘FS’ boxes as described elsewhere. 29 <br /> 30 <br />Junction boxes with no more than 4 entries of ¾" conduit containing conductors no larger than #12 may be 4" square 31 <br />by 2 1/8" deep with ¾" knockouts, threaded hole for connection of grounding conductor and threaded holes for the 32 <br />attachment of a blank cover plate. Provide suitable blank cover plate. Box extensions shall not be used to obtain 33 <br />more volume in 4" square junction boxes. 34 <br /> 35 <br />If box volume is not sufficient, the contractor may, as a code compliance option, may use 4 11/16” square by 36 <br />2 1/8” deep boxes with ¾” knockouts, threaded hole for connection of grounding conductor and threaded 37 <br />hoses for the attachment of a blank cover plate. Provide suitable blank cover plate. Box extensions shall 38 <br />not be used to obtain more volume in 4 11/16" square junction boxes. 39 <br /> 40 <br />Use fabricated junction boxes as described below if box volumes that can be obtained by the use of 4” 41 <br />square or 4 11/16” square boxes are not sufficient to meet NEC minimum volume requirements. 42 <br /> 43 <br />Junction and Pull Boxes: Provide as required galvanized code-gage sheet steel junction and pull boxes, no 44 <br />knockouts, Listed, with screw-on covers. Types, shapes, and sizes of junction and pull boxes shall be suitable for 45 <br />each respective location and installation. Boxes shall have welded seams and shall be equipped with stainless 46 <br />fastening hardware. Provide steel barriers in boxes with multiple feeder circuits. 47 <br /> 48 <br />Size of device, outlet, junction, pull boxes, gutters, and similar components shall be as required to match the number 49 <br />of devices and/or conductors contained within as based on the requirements of NEC Article 314.16. 50 <br /> 51 <br />Bushings, Knockout Closures and Locknuts: Provide corrosion-resistant box knockout closures, conduit locknuts and 52 <br />malleable iron conduit insulated bushings, offset connectors, of types and sizes, to suit respective installation 53 <br />requirements and applications. 54 <br /> 55 <br /> 56 <br /> 57 <br /> 58 <br /> 59 <br /> 60 <br />DocuSign Envelope ID: 7668B866-6C26-485C-9A45-DAAB5D4BD951