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3.02 <br /> <br /> A. <br /> <br />3.03 <br /> <br /> A. <br /> <br />PULL AND JUNCTION BOXES AND WIREWAYS <br /> <br />Install pull boxes, junction boxes and auxiliary wiring gutters where indicated and <br />where required to facilitate installation of the wiring. Such boxes and gutters meet all <br />requirements of Articles 362,370, and 374 of NEC. <br /> <br />For concealed conduit, install boxes flush with ceiling or wall, with covers accessible <br />and easily removable. Where flush boxes are installed in finished ceiling and walls, <br />provide cover which shall exceed the box face dimensions by a sufficient amount to <br />allow gap between box and finished material. <br /> <br />Pull and junction boxes not specifically described in other sections on the Drawings, <br />fabricated to code gauge galvanized steel with screw covers, brass hardware and baked <br />enamel finish, as manufactured by General Metals. <br /> <br />Pull boxes to be spaced so that no pull exceeds 90 feet, or 270 degrees of tums. <br /> <br />Boxes: Not to be located in finished, occupied rooms without prior approval of the <br />Owner/Engineer. <br /> <br />Conduits enter boxes through tight fittings bored or punch clearance holes and be <br />secured to boxes with double lock nuts and bushings. <br /> <br />Provide inserts, expansion anchors, rods, angle iron members to support pull boxes <br />independently of the conduit runs. <br /> <br />INSTALLATION OF WIRE AND CABLE <br /> <br />General: <br /> <br />Branch circuit work originating from panelboard arranged to balance the loads <br />on phases or panelboard feeders. Branch wiring is minimum #12 AWG. <br /> <br />Svlices or joints not permitted in feeders or branches except at accessible outlets, <br />junction boxes or cabinets. Wire//8 AWG and smaller are standard pigtail <br />connections secured with indent type conductive sleeves or screw-on type "Wire- <br />nut". Wires//6 AWG and larger have clamp type terminals secured by multiple <br />screws. Single set screw fastening Js not acceptable. All joints are completely <br />insulated. <br /> <br />Wire//6 AWG and larger are connected to panels, bus bars, etc. by approved <br />lugs or connectors which are solderless type, sufficiently larger to enclose all <br />strands of the conductor and securely fastened. Connector to be copper, or a <br />copper alloy only. Connector type and material to be approved by the Engineer. <br /> <br />BASIC MATERIALS AND METHODS 16050-17 <br /> <br /> <br />