Transformers shall be accessible after installa tion. Lampholders installed over highly combustible material shall be of the unswitched type. between the first case and the supply receptacle. The last item I will cover in this article is Part XIV Lighting Track, or as it is more commonly called, track lighting. We have two types of recessed cans (as they are commonly called): the non-IC type and the IC type; and IC stands for Insulation Contact. I will not cover each of these here, please review them on your own so that you will be aware of what is in this part of the code. Many of the items have been created directly as a result of disaster conditions through history. The load and the branch-circuit rating cannot exceed the rating of the track. Where supplied by the ungrounded conduc tors of a circuit, the switching device of auxiliary equipment shall simultaneously disconnect all conductors. Lumin aires with exposed metal parts shall be provided with a means for connecting an equipment grounding conductor for such luminaires. Size. from the sides and back of the closet walls, respectively, and continuing vertically to the closet ceiling parallel to the walls at a horizontal distance of 300 mm (12 in.) Wiring of luminaires. Refer to 310.15 or 310.60 for 14 AWG and larger conductors. Outlet Boxes. in length and intended to facilitate the connection to an outlet box mounted above a suspended ceiling. 410.93 Double-Pole Switched Lampholders. The bushing shall be of insulating material unless a jacketed type of cord is used. Another issue when doing inspections is verifying that the required insulation clearances are present. 110.2]. The connected load on lighting track shall not exceed the rating of the track. NEC Article 410 contains requirements for installing recessed lighting fixtures which of the following contain ballasts that provide high voltage across the lamp's electrodes at startup, causing then to emit electrons? Temperature. Chapter 4 of the National Electrical Code (NEC), Equipment for General Use, contains 22 articles. NEC Section 410.130(F)(5) Along with making sure they have used lamps that are not larger than the luminaire allows per its listing and labeling, these little foil-covered insulation pieces are part of the fixture and are there to ensure we dont have heat transfer from the lamp to the wire terminations. Lampholders. Auxiliary equipment, including reactors, capacitors, resistors, and similar equipment, where not instal led as part of a luminaire assembly, shall be enclosed in accessi ble, permanently installed metal cabinets. So on a non-IC type we must have a 1/2 inch space from any recessed parts to combustibles, excluding the support or finish trims. Flexible cords shall be secured to the under sides of showcases such that all of the following conditions are ensured: The wiring is not exposed to physical damage. D2(a) Optional Calculation for One-Family Dwelling Heating Larger than Air Conditioning [See Section 220.82], Example No. The disconnecting means shall be located so as to be accessible to qualified persons before servicing or main taining the ballast. Replacement ballasts shall also have thermal protection integral with the ballast. A luminaire shall be permitted to be connected witha cord terminating in a grounding-type attachment plug orbusway plug. There are a couple of exceptions, so please review these. Support of Exposed Cable for PV Systems: Requirements and Recommendations, Baby, Its Cold OutsideBut the House is Warm and Electrically Safe, Grounding and Bonding Devices and Splicing Connectors for the Line Side of the Service, NEC Rapid Shutdown Requirements and UL 3741, Basic three-phase power measurements explained, Electricians Adapt to Increased Growth in Lighting Technologies. (E) Luminaires (Fixtures) in Indoor Sports, Mixed-Use, and All-Purpose Facilities. Switches. NEC Article 410 contains requirements for installing recessed lighting fixtures which of the following contain ballasts that provide high voltage across the lamp's electrodes at startup, causing then to emit electrons? All luminaires shall be marked with the maxi mum lamp wattage or electrical rating, manufacturers name, trademark, or other suitable means of identification. In this case, the power to the ballast is disconnected when the lamp is removed. Excess wiring shall be avoided. General II. instant-start lamps which of the following is an HD ballast category? A metal pole shall be provided with an equipment grounding terminal as follows: A pole with a handhole shall have the equipment grounding terminal accessible from the handhole. Receptacles, Connectors, and Attachment Plugs. Luminaires Connected Together. Special Provisions for Flush and Recessed Luminaires. The second location to cover in detail is clothes closets, which is found in 410.16. Constant wattage autotransformer Light enters the eye through a transparent layer called the c./cornea Which of the following materials absorbs the most light? The 2020 NEC in Article 410 contains a new Part XVI entitled Special Provisions for Horticultural Lighting Equipment. Luminaires designed for end-to-end connection to form a continuous assembly, or luminaires connected together by recognized wiring methods, shall be permitted to contain the conductors of a 2-wire branch circuit, or one multiwire branch circuit, supplying the connec ted luminaires and shall not be required to be listed as a race way. While it may be possible to list them together, I havent seen a fixture that is listed for another manufacturers trims. Chapter 5: Special Occupancies. Part XII. Equipment that has an open- circuit voltage exceeding 1000 volts shall not be installed in or on dwelling occupancies. The means for providing illumination has gone through numerous changes over the centuries, from oil lamps to incandescent bulbs, to fluorescent tubes and LEDs. All luminaires installed in wet locations shall be marked, "Suitable for Wet Locations." In Ducts or Hoods. A pole with a hinged base shall have the equipment grounding terminal accessible within the base.Exception to (3): No grounding terminal shall be required in a pole2.5 m (8 ft) or less in height abovegrade where the supply wiring method continues without splice or pull, and where the interior of the pole and any splices are accessible by removing the luminaire. 1: No handhole shall be required in a pole 2.5 m (8 ft) or less in height abovegrade where the supply wiring method continues without splice or pull point, and where the interior of the pole and any splices are accessible by removing the luminaire.Exception No. Instant start lamps Which of the following is an HID ballast category? Tap Conductors. There is an exception for replacement luminaires (fixtures) and a second one. 4 in.) Since the housing is concealed within the ceiling, we dont necessarily know what is close to or in contact with the luminaire housing. The fixtures must be installed in a manner so that water will not enter or collect in the lampholder, wireway, etc. This article covers luminaires, portable lumin aires, lampholders, pendants, incandescent filament lamps, arc lamps, electric-discharge lamps, decorative lighting products, lighting accessories for temporary seasonal and holiday use, portable flexible lighting products, and the wiring and equip ment forming part of such products and lighting installations. 2: No handhole shall be required in a pole 6.0 m (20 ft) or less in height abovegrade that is provided with a hinged base. This requirement affects double ended fluorescent lamp luminaires. This is usually not an issue on 6 or 7 inch recessed cans, as they are typically IC rated and easily checked. Electric-Discharge Lamp Auxiliary Equipment. A recessed luminaire that is identified for contact with insulation, Type IC, shall be permitted to be in contact with combustible materials at recessed parts, points of support, and portions passing through or finishing off the opening in the building structure. Lets examine the requirements of the NEC, IES, and other standards. Is a small pantry with a door in your kitchen considered a closet? First, certain luminaries are not permitted in clothes closets, including those with an open or partially enclosed lamp or any fixtures that are pendent hung. For inspectors, this was an issue when this code first went into effect, since the luminaire manufacturers left it up to the makers of the ballast, and the ballast people thought it should be up to the luminaire maker. The installation requirements for motor control centers are covered in 110.26 (F), and air-conditioning and refrigerating equipment are covered in Article 440. D2(c) Optional Calculation for One-Family Dwelling with Heat Pump(Single-Phase, 240/120-Volt Service) (See 220.82), Example D3(a) Industrial Feeders in a Common Raceway, Example No. In Part III of 410, we cover mainly outlet boxes and canopies for luminaires. While my inspectors did not check every single can light, we would inspect a number of the installed luminaires and check to see if the contractor had installed the right combinations. The luminaire shall then comply with 410.42. Subject. Where they are not internal, they shall be a single device and attached to the luminaire or within sight. Bathtub and Shower Areas. Lampholders Near Combustible Material. The lampholder must be at least 2.5 m (8 ft.) above the floor unless an individual switch is installed for each fixture. If you see a cord plugged into a device on a trackthat is a violation. Special Provisions for Electric-Discharge Lighting Systems of 1000 Volts or Less. Connection of Electric-Discharge and LED Luminaires. The vertical location of the kitchen countertop receptacles is addressed in 210.52 (C) (5); they are not permitted more than 20 inches above the countertop. Marking. Informational Note: For ampacity of fixture wire, maximum operating temperature, voltage limitations, minimum wire size, and other information, see Article 402. Closet Storage Space. Fittings identified for use on lighting track shall be designed specifically for the track on which they are to be installed. There are additional requirements for cable installed in cable tray and cable grouped together supported by messenger cable. If you install any electrical wiring or equipment in, or adjacent to, bodies of water not covered by other Articles in the NEC, the installation must conform to Article 682 [682.1]. Thanks again for reading and please remember that these articles are written in such a manner that I point out common items we need to know as inspectors, no matter what your background is. Secondary Conductors. A ballast in a fluorescent exit luminaire shall not have thermal protection. The NEC specifies a few requirements for outlet boxes, inspection, suspended ceilings, luminaire (fixture) studs, insulating joints, raceway fittings, busways, and trees. Depending on the type of lighting used, whether incandescent, fluorescent, or LED, surface-mounted or flush-mounted, this section lists clearances to the nearest storage space. The next important item is 410.6, which states that all luminaires and lamp holders shall be listed. D5(a) Multifamily Dwelling Served at 208Y/120 Volts, Three Phase, Example No. For existing installed lumin aires without disconnecting means, at the time a ballast is replaced, a disconnecting means shall be installed. External wiring is not permitted except chain-supported luminaires (fixtures). Luminaires shall be wired so that the screw shells of lampholders are connected to the same luminaire or circuit conductor or terminal. The 1999 National Electrical Code (NEC) Section 410-66 gives rules for non-Type-IC recessed luminaire clearance from combustible materials and thermal insulation: "A recessed fixture that is not identified for contact with insulation shall have all recessed parts spaced at least 1/2 in. I will not go into detail here, but the scope has a laundry list of items and you will find that it is pretty exclusively related to lighting products and devices. Part III. | RSS, Annex J ADA Standards for Accessible Design, Annex I Recommended Tightening Torque Tables from UL Standard 486A-B, Informative Annex G Supervisory Control and Data Acquisition (SCADA), Annex F Availability and Reliability for Critical Operations Power Systems; and Development and Implementation of Functional Performance Tests (FPTs) for Critical Operations Power Systems, Informative Annex B Application Information for Ampacity Calculation. Listed clips identified for use with the type of ceiling framing member(s) and lumin aire(s) shall also be permitted. If the wiring system provides a means of grounding, exposed conductive parts must be grounded. Voltage. Equipment other than showcases shall not be electrically connected to showcases. These poles are likely to be touched by the general public, and if a fault occurs a person could be seriously injured or killed. Total Cards. Five exceptions exist in the 2011 Code, so please review. 410.10 Luminaires in Specific Locations. Part X. Construction of Flush and Recessed Luminaires (Fixtures), XIII. Therefore, a requirement was added to include a lens to prevent this occurrence. Only luminaires of the following types shall be permitted in a closet: Surface-mounted or recessed incandescent or LED luminaires with completely enclosed light sources, Surface-mounted or recessed fluorescent luminaires, Surface-mounted fluorescent or LED luminaires identi fied as suitable for installation within the closet storage space. Special bases or other devi ces shall be used for over 1500 watts. This article continues to grow as new lighting technology is developed. These are very commonly used in residential construction and are a very important part of the residential inspection process. They look the same in size and design, especially during construction. 410.73 (G) Handbook Commentary Section 410.73 (G) was added to the 2005 Code with an effective date of January 1, 2008. . Lampholders of the screw shell type shall be of porcelain or other suitable insulating materials. 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Material unless a jacketed type of cord is used states that all luminaires installed in a attachment... Close to or in contact with the luminaire housing look the same in size and design, especially construction. Be used for over 1500 watts additional requirements for cable installed in or on Dwelling occupancies the! The National Electrical Code ( NEC ), equipment for General Use, contains 22 articles this usually!
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