Orange County NC Website
Browse       Search
ORANGE COUNTY 260535-3 <br /> <br />Emergency Management Warehouse Building Dehumidification Electrical Boxes and Fittings <br /> <br /> <br /> <br />PART 3 - EXECUTION 1 <br /> 2 <br /> 3 <br />INSTALLATION OF ELECTRICAL BOXES AND FITTINGS 4 <br /> 5 <br />General: Install electrical boxes and fittings as indicated, in accordance with manufacturer's written instructions, 6 <br />applicable requirements of NEC and NECA's "Standard of Installation," and in accordance with recognized industry 7 <br />practices to fulfill project requirements. 8 <br /> 9 <br />Coordinate installation of electrical boxes and fittings with wire/cable, wiring devices, and raceway installation work. 10 <br /> 11 <br />Provide weatherproof boxes and fittings for interior and exterior locations that are exposed to weather or moisture. 12 <br />Weatherproof boxes must be Listed and Labeled and identified as “extra duty” for use in wet locations. 13 <br /> 14 <br />Provide knockout closures to cap unused knockout holes where blanks have been removed. 15 <br /> 16 <br />Install electrical boxes and similar items only in those locations that ensure accessibility to enclosed electrical wiring. 17 <br /> 18 <br />Avoid installing boxes back-to-back in walls. Provide not less than 6" separation in non-rated partitions. Provide 24" 19 <br />minimum horizontal separation in fire-rated partitions or in acoustic rated walls. 20 <br /> 21 <br />Position recessed outlet or device boxes in walls or ceilings accurately to allow for surface finish thickness. Where 22 <br />the surface material or covering is combustible the front edge of the plaster ring (or box) shall be flush (- 0”,+1/32”) 23 <br />with the finished surface. Where the wall or ceiling material is non-combustible, the front edge of the plaster ring (or 24 <br />box) may be recessed into the wall no further than 3/16". The maximum gap between the edge of an installed 25 <br />box/plaster ring combination shall not exceed 1/8”. These requirements will be rigidly enforced. 26 <br /> 27 <br />Fasten electrical boxes firmly and rigidly to substrates, or structural surfaces to which attached, or solidly embed 28 <br />electrical boxes in concrete or masonry. All boxes shall be supported independently of conduit. 29 <br /> 30 <br />Provide electrical connections for installed boxes. 31 <br /> 32 <br />Electrical box locations indicated on Drawings are approximate unless dimensioned. Verify location of outlets prior to 33 <br />rough-in. Coordinate exact locations with the work of other Divisions. Mis-located outlets and/or devices shall be 34 <br />relocated upon instruction from Owner's representative at no additional cost. 35 <br /> 36 <br />Locate and install to maintain headroom and to present a neat appearance. 37 <br /> 38 <br />Use multiple gang boxes where more than one device is mounted together; do not use sectional boxes. Provide 39 <br />barriers to separate wiring of different voltage systems. Provide barriers to separate adjacent devices where the 40 <br />voltage is greater than 150 Volts between the devices. 41 <br /> 42 <br />Install boxes in walls without damaging wall insulation or fire proofing. 43 <br /> 44 <br />Position outlets to locate lighting fixtures and/or luminaries as indicated on Drawings. Boxes are to be positioned 45 <br />plum and vertical,  2. 46 <br /> 47 <br />Align wall mounted outlet boxes for switches, thermostats, and similar devices. 48 <br /> 49 <br />Subsequent to installation of boxes, protect boxes from construction debris and damage. 50 <br /> 51 <br /> 52 <br />GROUNDING 53 <br /> 54 <br />Upon completion of installation work, properly ground electrical boxes and demonstrate compliance with 55 <br />requirements. 56 <br /> 57 <br /> 58 <br />END OF SECTION 260535 59 <br />DocuSign Envelope ID: 7668B866-6C26-485C-9A45-DAAB5D4BD951