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HomeMy WebLinkAbout16120.pdf BICKFORD OF CARMEL, IN 12/12/2012 CONDUCTORS AND CABLES 16120 - 1 SECTION 16120 - CONDUCTORS AND CABLES PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. 1.2 SUMMARY A. This Section includes the following: 1. Building wires and cables rated 600 V and less. 2. Connectors, splices, and terminations rated 600 V and less. 3. Sleeves and sleeve seals for cables. 1.3 DEFINITIONS A. EPDM: Ethylene-propylene-diene terpolymer rubber. B. NBR: Acrylonitrile-butadiene rubber. 1.4 QUALITY ASSURANCE A. Testing Agency Qualifications: An independent agency, with the experience and capability to conduct the testing indicated, that is a member company of the InterNational Electrical Testing Association or is a nationally recognized testing laboratory (NRTL) as defined by OSHA in 29 CFR 1910.7, and that is acceptable to authorities having jurisdiction. 1. Testing Agency's Field Supervisor: Person currently certified by the InterNational Electrical Testing Association or the National Institute for Certification in Engineering Technologies to supervise on-site testing specified in Part 3. B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use. C. Comply with NFPA 70. 1.5 COORDINATION A. Set sleeves in cast-in-place concrete, masonry walls, and other structural components as they are constructed. BICKFORD OF CARMEL, IN 12/12/2012 CONDUCTORS AND CABLES 16120 - 2 PART 2 - PRODUCTS 2.1 CONDUCTORS AND CABLES A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: B. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Alcan Products Corporation; Alcan Cable Division. 2. American Insulated Wire Corp.; a Leviton Company. 3. General Cable Corporation. 4. Senator Wire & Cable Company. 5. Southwire Company. C. Copper Conductors: Comply with NEMA WC 70. D. Conductor Insulation: Comply with NEMA WC 70 for Types THHN-THWN and XHHW. 2.2 CONNECTORS AND SPLICES A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: B. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. AFC Cable Systems, Inc. 2. Hubbell Power Systems, Inc. 3. O-Z/Gedney; EGS Electrical Group LLC. 4. 3M; Electrical Products Division. 5. Tyco Electronics Corp. C. Description: Factory-fabricated connectors and splices of size, ampacity rating, material, type, and class for application and service indicated. 2.3 SLEEVES FOR CABLES A. Steel Pipe Sleeves: ASTM A 53/A 53M, Type E, Grade B, Schedule 40, galvanized steel, plain ends. B. Cast-Iron Pipe Sleeves: Cast or fabricated "wall pipe," equivalent to ductile-iron pressure pipe, with plain ends and integral waterstop, unless otherwise indicated. C. Sleeves for Rectangular Openings: Galvanized sheet steel with minimum 0.052- or 0.138-inch thickness as indicated and of length to suit application. BICKFORD OF CARMEL, IN 12/12/2012 CONDUCTORS AND CABLES 16120 - 3 D. Coordinate sleeve selection and application with selection and application of firestopping specified in Division 7 Section "Through-Penetration Firestop Systems." 2.4 SLEEVE SEALS A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: B. Manufacturers: Subject to compliance with requirements, provide products by one of the following: C. Product: Subject to compliance with requirements, provide a comparable product by one of the following: 1. Advance Products & Systems, Inc. 2. Calpico, Inc. 3. Metraflex Co. 4. Pipeline Seal and Insulator, Inc. D. Description: Modular sealing device, designed for field assembly, to fill annular space between sleeve and cable. 1. Sealing Elements: EPDM interlocking links shaped to fit surface of cable or conduit. Include type and number required for material and size of raceway or cable. 2. Pressure Plates: Plastic. Include two for each sealing element. 3. Connecting Bolts and Nuts: Carbon steel with corrosion-resistant coating of length required to secure pressure plates to sealing elements. Include one for each sealing element. PART 3 - EXECUTION 3.1 CONDUCTOR MATERIAL APPLICATIONS A. Feeders: Copper. Solid for No. 10 AWG and smaller; stranded for No. 8 AWG and larger. B. Branch Circuits: Copper. Solid for No. 10 AWG and smaller; stranded for No. 8 AWG and larger. 3.2 CONDUCTOR INSULATION AND MULTICONDUCTOR CABLE APPLICATIONS AND WIRING METHODS A. Service Entrance: Type XHHW, single conductors in raceway. B. Exposed Feeders: Type THHN-THWN, single conductors in raceway. C. Feeders to Distribution Equipment and Panelboards: Type XHHW-2, single conductors in raceway. BICKFORD OF CARMEL, IN 12/12/2012 CONDUCTORS AND CABLES 16120 - 4 D. Feeders Concealed in Ceilings, Walls, Partitions, and Crawlspaces: Type THHN-THWN, single conductors in raceway. E. Feeders Concealed in Concrete, below Slabs-on-Grade, and Underground: Type THHN- THWN, single conductors in raceway. F. Exposed Branch Circuits, Including in Crawlspaces: Type THHN-THWN, single conductors in raceway. G. Branch Circuits Concealed in Ceilings, Walls, and Partitions: Type THHN-THWN, single conductors in raceway. H. Branch Circuits Concealed in Concrete, below Slabs-on-Grade, and Underground: Type THHN-THWN, single conductors in raceway. I. Cord Drops and Portable Appliance Connections: Type SO, hard service cord with stainless- steel, wire-mesh, strain relief device at terminations to suit application. J. Class 1 Control Circuits: Type THHN-THWN, in raceway. K. Class 2 Control Circuits: Type THHN-THWN, in raceway or Power-limited tray cable, in cable tray. 3.3 INSTALLATION OF CONDUCTORS AND CABLES A. Conceal cables in finished walls, ceilings, and floors, unless otherwise indicated. B. Use manufacturer-approved pulling compound or lubricant where necessary; compound used must not deteriorate conductor or insulation. Do not exceed manufacturer's recommended maximum pulling tensions and sidewall pressure values. Ideal Yellow 77 or other aerosol lubricants shall not be allowed for pulling compound or lubricant. C. Use pulling means, including fish tape, cable, rope, and basket-weave wire/cable grips, that will not damage cables or raceway. D. Install exposed cables parallel and perpendicular to surfaces of exposed structural members, and follow surface contours where possible. E. Identify and color-code conductors and cables according to Division 16 Section "Electrical Identification." 3.4 CONNECTIONS A. Tighten electrical connectors and terminals according to manufacturer's published torque- tightening values. If manufacturer's torque values are not indicated, use those specified in UL 486A and UL 486B. B. Make splices and taps that are compatible with conductor material and that possess equivalent or better mechanical strength and insulation ratings than unspliced conductors. BICKFORD OF CARMEL, IN 12/12/2012 CONDUCTORS AND CABLES 16120 - 5 C. Wiring at Outlets: Install conductor at each outlet, with at least 12 inches of slack. 3.5 SLEEVE INSTALLATION FOR ELECTRICAL PENETRATIONS A. Coordinate sleeve selection and application with selection and application of firestopping specified in Division 7 Section "Through-Penetration Firestop Systems." B. Concrete Slabs and Walls: Install sleeves for penetrations unless core-drilled holes or formed openings are used. Install sleeves during erection of slabs and walls. C. Use pipe sleeves unless penetration arrangement requires rectangular sleeved opening. D. Rectangular Sleeve Minimum Metal Thickness: 1. For sleeve rectangle perimeter less than 50 inches and no side greater than 16 inches, thickness shall be 0.052 inch. 2. For sleeve rectangle perimeter equal to, or greater than, 50 inches and 1 or more sides equal to, or greater than, 16 inches, thickness shall be 0.138 inch. E. Fire-Rated Assemblies: Install sleeves for penetrations of fire-rated floor and wall assemblies unless openings compatible with firestop system used are fabricated during construction of floor or wall. F. Cut sleeves to length for mounting flush with both wall surfaces. G. Extend sleeves installed in floors 2 inches above finished floor level. H. Size pipe sleeves to provide 1/4-inch annular clear space between sleeve and cable unless sleeve seal is to be installed. I. Seal space outside of sleeves with grout for penetrations of concrete and masonry and with approved joint compound for gypsum board assemblies. J. Interior Penetrations of Non-Fire-Rated Walls and Floors: Seal annular space between sleeve and cable, using joint sealant appropriate for size, depth, and location of joint according to Division 7 Section "Joint Sealants." K. Fire-Rated-Assembly Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at cable penetrations. Install sleeves and seal with firestop materials according to Division 7 Section "Through-Penetration Firestop Systems." L. Roof-Penetration Sleeves: Seal penetration of individual cables with flexible boot-type flashing units applied in coordination with roofing work. M. Aboveground Exterior-Wall Penetrations: Seal penetrations using sleeves and mechanical sleeve seals. Size sleeves to allow for 1-inch annular clear space between pipe and sleeve for installing mechanical sleeve seals. N. Underground Exterior-Wall Penetrations: Install cast-iron "wall pipes" for sleeves. Size sleeves to allow for 1-inch annular clear space between cable and sleeve for installing mechanical sleeve seals. BICKFORD OF CARMEL, IN 12/12/2012 CONDUCTORS AND CABLES 16120 - 6 3.6 SLEEVE-SEAL INSTALLATION A. Install to seal underground exterior-wall penetrations. B. Use type and number of sealing elements recommended by manufacturer for cable material and size. Position cable in center of sleeve. Assemble mechanical sleeve seals and install in annular space between cable and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal. 3.7 FIRESTOPPING A. Apply firestopping to electrical penetrations of fire-rated floor and wall assemblies to restore original fire-resistance rating of assembly according to Division 7 Section "Through-Penetration Firestop Systems." END OF SECTION 16120