DIVISION 26 ELECTRICAL SECTION 26 27 26 PART 1 GENERAL 1.01 DESCRIPTION A. Furnish and install wiring devices and plates as specified herein and as shown on the Drawings. B. Specialty switches and outlets required for auxiliary systems shall be specified under those Sections or as shown on the Drawings. C. All devices shall be ganged together where shown grouped on the Drawings. D. All normal power devices shall be the same color. 1.02 QUALITY ASSURANCE A. All equipment shall be UL listed and labeled and in accordance with applicable NEMA and ANSI Standards. B. All wiring devices and plates shall be furnished by one of the Manufacturers listed. No mixing of Manufacturer's products shall be permitted unless otherwise noted herein or on the Drawings. 1.03 SUBMITTALS A. For Review: 1. Product data sheets for wiring devices and plates B. To be included in Record and Information Manuals: 1. One (1) copy of each approved submittal 1.04 MANUFACTURERS A. Wiring Devices (except dimmers) and Plates 1. Cooper 2. Pass and Seymour 3. Hubbell 4. Leviton B. Dimmers and Plates 1. Lutron 2. Leviton C. Cover Assemblies 1. TayMac Corporation 2. Intermatic Inc. 3. Carlon Electrical Products 13-HC1-033 26 27 26-1
D. Occupancy/Vacancy Sensors 1. Watt Stopper Inc. 2. Leviton 3. Sensorswitch SECTION 26 27 26 E. Emergency Lighting Switch Bypass Device 1. Bodine 2. WattStopper PART 2 PRODUCTS 2.01 SWITCHES A. Switches shall conform to NEMA Heavy Duty Standards and shall be Specification Grade, general use AC quiet type, 20 Ampere, 120-277 volt, back and side wired with white handles, unless noted otherwise. B. Pilot light switches shall be Specification Grade, general use AC quiet type, 20 Ampere, 120-277 volt, back and side wired with clear handle. 2.02 DIMMERS A. LED Dimmers 1. Local manual dimmers for LED loads shall be solid state, thin profile, slide type with square law dimming, power failure memory, gangable with side sections intact. Color shall be white. There shall be no visible screws or fins from the front. Dimmers shall be single location or two location (using standard 3 way wiring) as noted on the Drawings. Dimmers shall be tested and approved for LED loads. B. Fluorescent Dimmers 1. Local manual dimmers shall be solid state, Lutron Nova T Hi-lume Series, white color. Control module shall be model NTF Series. 2. Dimming controls shall regulate lighting level via linear slide and have no side sections, screws, or other fasteners visible on the front of the unit. Dimming controls shall mount in a standard single-gang switch box and be gangable without derating capacity. 3. Light output shall be uniform throughout a controlled circuit of lamps, and be free from flicker and striations throughout the dimming range. Dimming shall be smooth and continuous from 100% to minimum light level. 4. The dimming control and the fixture pack/lamp combination shall be totally inaudible at 27 db room ambient throughout the dimming range. 5. The system shall be voltage regulated to minimize the effects of line voltage fluctuations. 6. The fixture pack combinations shall require standard bi-pin lamp sockets; special disconnect sockets shall not be required. 2.03 RECEPTACLES A. All convenience and power receptacles shall conform to NEMA Heavy Duty Standards and shall be Specification Grade, grounding type. 26 27 26-2 13-HC1-033
B. Hospital grade convenience duplex receptacles shall be 20 Ampere, 125 volt, back and side wired, 3 wire grounding, UL listed as complying with the requirements of NEC 517 and NEMA 5-20R configuration. C. Hospital grade ground-fault circuit-interrupting duplex receptacles shall be 20 Ampere, 125 volt "Feed-through" type, UL listed as comparing with the requirements of NEC 517, and NEMA 5-20R configuration. D. Hospital grade isolated ground receptacles shall be the same as convenience receptacles, except a solid barrier of insulation insulates the receptacle grounding circuit from the mounting strap. Color shall be orange. E. Hospital grade tamper resistant duplex receptacles shall be 20 Ampere, 125 volt, 3 wire grounding, UL listed as complying with the requirements of NEC 517 and NEMA 5-20R configuration. F. Weatherproof Duplex Receptacles shall be 20 Ampere, 125 volt or 250 volt, UL listed as weather resistant type per NEC 406. G. All receptacles shall be white, unless on emergency power or circuited to CP panels, in which case receptacles shall be red. H. Refer to the Drawings for specification of specialty receptacles. 2.04 PLATES A. Plates for flush devices in interior partitions shall be stainless steel. B. Plates for flush devices on concrete block walls shall match others but be "Jumbo" plates. C. Plates for voice/data communication boxes shall match wiring device plates in material, and be as specified in Section 27 05 29, "Voice/Data Communication Raceway System" or Section 27 15 00, "Voice/Data Communication Wiring System." D. Plates for devices in surface fittings shall be cadmium plated steel surface covers. Covers shall fit without overlap and have round corners. E. Plates for specialty receptacles required for auxiliary systems shall be satin stainless steel, furnished and specified with the device. F. Plates for future system outlets shall be blank plates matching device plates in quality and finish. 2.05 COVER ASSEMBLIES A. Wiring devices in wet locations shall have hinged, gasketed cast aluminum coverplates of a color matching adjacent wall finish. 13-HC1-033 26 27 26-3
B. Wiring devices subject to wet locations while in use shall be provided with NEMA 3R cover assemblies UL listed for wet locations while in use. Cover assemblies shall use a vertically-lifting "canopy" to protect the wiring device(s). Cover assemblies shall be standard size, one (1) or two (2) gang as required with gaskets between the hinged cover and mounting plate/base to assure proper seal. 2.06 OCCUPANCY/VACANCY SENSORS A. Ceiling mounted low voltage 360 degree dual technology sensors shall contain both PIR and ultrasonic technologies, adjustable 15 second to 15 minute time delay, integrated adjustable light level sensor, adjustable sensitivities, LED indicator for both technologies, isolated relay, 24 VDC operable, 277 volt power pack, 1200 square feet - wide angle coverage. Watt Stopper DT-300. Provide minimum one (1) power pack for every room. B. Ceiling mounted corridor low voltage ultra sonic occupancy sensor shall be solid state, adjustable 15 seconds to 15 minute time delay LED indicator, 24 VDC operable, 277 volt power pack. Watt Stopper W2000H. Provide minimum one (1) power pack for every room. C. Ceiling mounted low voltage passive infrared occupancy sensor shall be user adjustable from 30 seconds to 30 minutes, sensitivity adjustment and LED indicator. Watt Stopper WPIR. Provide minimum one (1) power pack for every room. D. Wall mounted line voltage passive infrared occupancy sensor shall have adjustable 30 second to 30 minute time delay, manual on switches for bilevel lighting control, integrated adjustable light level sensor, adjustable sensitivity, LED indicator, 900 square feet - 180 degree coverage. Color shall be white. E. Wall mounted line voltage passive infrared vacancy sensor shall have adjustable 30 second to 30 minute time delay, manual on switches for bilevel lighting control, integrated adjustable light level sensor, adjustable sensitivity, LED indicator, 900 square feet - 180 degree coverage. Color shall be white. F. Power packs shall be dual voltage 120/277 volt primary with self contained transformer and 20 Ampere relay contacts. Watt Stopper BZ100. G. Slave packs shall be 277 volt primary with 120 volt, 20 Ampere relay contacts. Watt Stopper S-120/277E. PART 3 EXECUTION 3.01 APPLICATION A. Provide outlets as noted on the Drawings and herein described. B. Provide GFCI type outlets in all bathrooms, anywhere within 6 feet of sinks, lavatories, mop basins, in pool and pool equipment rooms, and in all exterior locations. C. Provide GFCI type outlets for all 120 volt devices located in food preparation rooms. 26 27 26-4 13-HC1-033
D. Provide tamper resistant hospital grade devices in all pediatric areas such as patient rooms, bathrooms, playrooms, daycare, activity rooms, etc., in accordance with NEC 517. E. Provide 30 ma GFCI type outlets for heat trace type or ice melting gutter heating tape. 3.02 INSTALLATION A. Install wiring devices as indicated, in compliance with the Manufacturer's written instructions, applicable requirements of NEC and NECA's "Standard of Installation," and in accordance with recognized industry practices to fulfill project requirements. B. Coordinate installation of wiring devices with other work, including painting, electrical box and wiring work, as necessary. C. Install wiring devices only in electrical boxes, which are clean, free from excess building materials, dirt and debris. D. All devices shall be connected to conductors using the side wiring terminal screw connections. Devices with voltages higher than 120 volt shall have two (2) layers of electrical tape applied over the exposed side terminals. Provide electrically continuous, tight grounding connections for wiring devices, as required by NEC Article 250. E. Delay installation of wiring devices and wall plates until after painting work is completed. Wiring devices may be installed prior to painting where protective plastic covers are used. All wiring devices and covers shall be clean and free of paint upon completion of work. F. Upon installation of wall plates and receptacles, advise other Contractors regarding proper and cautious use of convenience outlets. At time of Contract Completion, replace those items which have been damaged, including those burned and scored by faulty plugs. G. Install matching device plates on all devices. Devices shown grouped on the Drawings shall be ganged together with one plate. H. Ceiling mounted occupancy/vacancy sensors shall not be installed within 3 feet of an HVAC diffuser. Provide lens shields as required to prevent nuisance operation of occupancy sensors. Locate or aim sensors so they sense all areas of the room, but not out the doorway. I. Install engraved flush switch plates at all locations indicating function of switches for special applications and at every location where more than two switches are ganged together. Engraved switch plates shall have 1/8 inch black filled letters. J. Provide permanently installed barriers between switches ganged in outlet boxes where the voltage between adjacent switches exceeds 300 volts. K. Run neutral conductor to all dimmers. L. Receptacle plates shall be labeled with permanent marker on the back with panelboard and circuit number. M. All unused outlet boxes shall have blank coverplates installed. 13-HC1-033 26 27 26-5
N. Wiring from ground-fault circuit-interrupters shall not occupy the same raceways with wiring from non-ground-fault interrupting type devices. O. Occupancy/vacancy sensors to be initially set at 75% maximum sensitivity and 5 minute time delay. Locate all occupancy sensor power packs and slave packs above lay-in ceiling at room entry location. P. Tamper resistant duplex receptacles shall have their coverplates attached with tamper proof screws. Q. Wiring devices shall be installed with grounding pin on top. 3.03 OCCUPANCY/VACANCY SENSOR OPERATION VERIFICATION A. Contractor shall verify proper operation of every occupancy sensor in building at completion of project. Provide appropriate masking on sensor where line-of-site extends out of room and causes nuisance operation when room is vacant. 3.04 SPARE PARTS A. Furnish spare occupancy sensors in a quantity of 5% of total (of each type) used in building (minimum of two (2) of each type). B. Division 26 Contractor shall include in his/her bid an allowance for furnishing and installing five (5) additional occupancy sensors of each type (with average length of conduit and wire) at completion of the project as directed by the Architect. If all are not used, remaining value shall be credited to the Owner or turned over to the Owner as additional spares per Owner's discretion. C. Two screwdrivers for any specialty fasteners used. 3.05 TESTING A. Prior to energizing circuitry, test wiring devices for electrical continuity, short circuits, and proper polarity connections. B. Verify that occupancy sensors are turning off lighting when spaces are unoccupied. Each sensor shall be tested for proper operation with HVAC system operational. END OF SECTION 26 27 26-6 13-HC1-033