Five exceptions exist in the 2011 Code, so please review. Recessed Incandescent Luminaires. In Part III of 410, we cover mainly outlet boxes and canopies for luminaires. 410.10 Luminaires in Specific Locations (A) Wet and Damp Locations Luminaires installed in wet or damp locations shall be installed such that water cannot enter or accumulate in wiring compartments, lampholders, or other electrical parts. The luminaires shall be marked for dc operation. 410.62 Cord-Connected Lampholders and Luminaires. Lamp Terminals and Lampholders. The ballast of a fluorescent luminaire installed indoors shall have integral thermal protec tion. 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? in any dimension. The groun ded conductor, where connected to a screw shell lampholder, shall be connected to the screw shell. These are very commonly used in residential construction and are a very important part of the residential inspection process. Lets examine the requirements of the NEC, IES, and other standards. (C) In Ducts or Hoods. Locations Not Permitted. 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. These are the 10 NEC Article 410 items we deem most important, based on the pervasiveness of confusion and the potential costs of same. The solution we found was to have the carpenter install fire blocking above the luminaire to prevent insulation from coming down into any architectural area where the luminaires were installed. Surface-mounted fluorescent or LED luminaires shall be permitted to be installed within the closet storage space where identified for this use. To play this game about lighting, you need a sharp eye, a quick mind and a 2020 National Electrical Code book. Listed clips identified for use with the type of ceiling framing member(s) and lumin aire(s) shall also be permitted. Wiring Supplying Luminaires (Fixtures) Connected Together, VII. Fittings identified for use on lighting track shall be designed specifically for the track on which they are to be installed. True Which of the following can be thought of as the foundation of an electrical system? One of the requirements is that these units must have a thermal protection device that will disconnect the lamp if the temperature limit is exceeded. All luminaires shall be marked with the maxi mum lamp wattage or electrical rating, manufacturers name, trademark, or other suitable means of identification. Luminaires shall be permitted to be installed in commercial cooking hoods where all of the follow ing conditions are met: The luminaire shall be identified for use within commer cial cooking hoods and installed such that the tempera ture limits of the materials used are not exceeded. Use Table 402.5 for 18-16 AWG conductors. Transformers shall have a secondary short-circuit current rating of not more than 150 mA if the open-circuit volt age is over 7500 volts, and not more than 300 mA if the open- circuit voltage rating is 7500 volts or less. Lampholders Near Combustible Material. Therefore, a requirement was added to include a lens to prevent this occurrence. (B) Luminaire (Fixture) Types Permitted. The installation shall comply with 410.59(A) through (E). The connected load on lighting track shall not exceed the rating of the track. It is permitted, however, if the luminaire (fixture) is listed for that use. The grounding terminations within the poles are often difficult to install and also inspect. The equipment grounding conductor c. The electrical rating shall include the voltage and frequency and shall indicate the current rating of the unit, including the ballast, transformer, LED driver, power supply, or autotransformer. XII. However, the requirements within this article are important to know and enforce. Since most poles are metallic, you absolutely have to make this inspection to insure they are grounded. Article 410 is another example of an article in Chapter 4 of the NEC that often doesn't get a lot of emphasis from multi-trade inspectors. Everyone knows what a closet is, right? Luminaires shall be permitted to be connected to busways in accordance with 368.17(C). Tap conductors of a type suitable for the temperature encountered shall be permitted to run from the luminaire terminal connection to an outlet box placed at least 300 mm (1 ft) from the luminaire. Unless an individual switch is provided for each luminaire, lampholders shall be located at least 2.5 m (8 ft) above the floor or shall be located or guarded so that the lamps cannot be readily removed or damaged. Location. Part XII Special Provisions for Electric-Discharge Lighting System of 1000 Volts or Less includes 410.130(G) Disconnecting Means. Instant start lamps Which of the following is an HID ballast category? This requirement provides a safe method to service the ballast, and continues to be extended in its enforcement, adding that in existing installations the disconnecting means shall be added when ballast replacement is performed. The track system ends shall be insulated and capped. C. Construction Specifications 330.104 Conductors (A) General. Decorative Lighting and Similar Accessories. Like Ive mentioned before, be proactive when you are starting a new project and let the contractor know from the beginning (before the products show up on the jobsite) that you will be checking for this. Equipment for use with electric-discharge lighting systems and designed for an open-circuit voltage of 1000 volts or less shall be of a type identified for such service. There are two specific locations I want to cover in this article. Each fitting attached to a heavy-duty lighting track shall have individ ual overcurrent protection. The load and the branch-circuit rating cannot exceed the rating of the track. 3: Where no equipment grounding conductor exists at the outlet, replacement luminaires that are GFCI protected shall not be required to be connected to an equipment grounding conductor. Exposed metal parts shall be connected to an equipment grounding conductor or insulated from the equipment grounding conductor and other conducting surfaces or be inaccessible to unqualified personnel. This restriction is not required if the luminaire (fixture) is installed in poured concrete and is approved for this use or when the luminaire (fixture) by construction design provides characterisitics that are equivalent to thermally protected characteristics, and are identified as such. 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? The bushing shall be of insulating material unless a jacketed type of cord is used. Circuit Conductors. Metal or nonmetallic poles shall be permitted to be used to support luminaires and as a raceway to enclose supply conductors, provided the following conditions are met: A pole shall have a handhole not less than 50 mm 100 mm (2 in. These must be unswitched lampholders. Corrosive Locations. Integral Thermal Protection. Heavy-duty lighting track is lighting track identified for use exceeding 20 amperes. Exposed Components. See ANSI/ASTM E842015a,StandardTest Method for Surface Burning Characteristics of Building Materialsor ANSI/UL 7232013,Standard for Test for Surface Burning Characteristics of Building Materials. The insulation used on conductors must be suitable for the temperatures that they will be subjected to. Connected Load. All luminaires installed in wet locations shall be marked, Suitable for Wet Locations. All luminaires installed in damp locations shall be marked Suitable for Wet Locations or Suitable for Damp Locations.. 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]. in length and intended to facilitate the connection to an outlet box mounted above a suspended ceiling. If you try to read the definition, it might be a little confusing trying to imagine the shape from the language. but not more than 1.8 m (6 ft) in length. Luminaires (Fixtures) in Specific Locations. The first is related to locations in and near bathtub and shower areas. Where the disconnecting means is external to the luminaire, it shall be a single device, and shall be attached to the luminaire or the luminaire shall be located within sight of the disconnecting means. 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. Splices and Taps. Equipment other than showcases shall not be electrically connected to showcases. A couple of notes here from field experience: if the resident complains that the luminaires are shutting off and on randomly, it is likely that the lamps are oversized for the luminaire or the wrong trim is being used. Luminaires installed in wet or damp locations shall be installed such that water cannot enter or accumulate in wiring compartments, lampholders, or other electrical parts. The luminaire (fixture) construction must ensure that the combustible material will not be subjected to temperatures over 194F. Professional. Raceway fittings used to support a luminaire(s) shall be capable of supporting the weight of the complete fixture assembly and lamp(s). of the recessed luminaires enclosure, wiring compartment, ballast, transformer, LED driver, or power supply unless the luminaire is identified as Type IC for insulation contact. Wet and Damp Locations. General II. The Grounding and Bonding and the NEC Section 250 Specific Grounding Problems, Installations And the National Electrical Code Requirements Testing Procedures For Industrial, Commercial And Institutional Electric Power Grounding Systems Practical Solutions To Grounding Problems After Attending, You Will Work More Safely And Efficiently Luminaire studs that are not a part of outlet boxes, hickeys, tripods, and crowfeet shall be made of steel, malleable iron, or other material suitable for the applica tion. Secondary Conductors. 4 in.) Solder Prohibited. Where supplied by the ungrounded conduc tors of a circuit, the switching device of auxiliary equipment shall simultaneously disconnect all conductors. The luminaire shall then comply with 410.42. There is a concern that the lamps may fail in such a way that debris may fall onto people or combustible surfaces. Recessed parts of a luminaire (fixture) that is not identified for contact with insulation must be at least 13 mm ( in.) Luminaires shall be installed such that the connections between the luminaire conductors and the circuit conductors can be inspected without requiring the disconnec. Separate Mounting. In Article 100 we find the definition for a clothes closet, which is a non-habitable room or space intended primarily for the storage of garments and apparel. Protection Through Metal. Exception No. Where raceway risers or cable is not installed within the pole, a threaded fitting or nipple shall be brazed, welded, or attached to the pole opposite the handhole for the supply connection. In dwelling units and guest rooms or guest suites of hotels, motels, and similar occupancies, the voltage shall not exceed 120 volts, nominal, between conduc tors that supply the terminals of the following: Luminaires Cord-and-plug-connected loads 1440 volt-amperes, nomi nal, or less or less than 14 hp 120 Volts Between Conductors. 410.56 Protection of Conductors and Insulation. 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. Having been a contractor for several years, I was often exasperated at whoever designed a location for lighting to be installed that you physically could not get to in order to service it, especially some of the cove lighting in restrooms where the installed stalls and plumbing fixtures created great obstacles to work around. Professional. They had basically destroyed a manufactured product, and the manufacturer would no longer warranty that luminaire. Type IC fixtures are designed to be installed in such a way that they may have insulation directly in contact with them. The term luminaires is recommended by the International Electrotechnical Commission. Article 110 of the National Electrical Code (NEC) covers the general requirements for the examination and approval, installation and use, access to, and spaces about electrical 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. Electric-discharge luminaires provided with mogul-base, screw shell lampholders shall be permitted to be connected tobranch circuits of 50 amperes or less by cords complying with240.5. In this case, the power to the ballast is disconnected when the lamp is removed. Normally, luminaires (fixtures) cannot be used as raceways. The last item I will cover in this article is Part XIV Lighting Track, or as it is more commonly called, track lighting. Combustible Material. However, the only requirements for luminarie installations in closets appear in section 410.16, which specifically addresses luminaires in clothes closets. Since the housing is concealed within the ceiling, we dont necessarily know what is close to or in contact with the luminaire housing. Raceway Fittings. Lamp tie wires, mount ing screws, clips, and decorative bands on glass spaced at least 38 mm (112in.) 410.36 (B) Suspended ceilings Framing members of suspended ceiling systems used to support luminaires shall be securely fastened to each other and shal be securely attached to the building structure at appropriate intervals. You cannot support a fixture by the screw shell of a lampholder if it weighs more than 3 kg (6 lb.) He holds ten inspections certifications from IAEI and ICC. Canopies and outlet boxes taken together shall provide sufficient space so that luminaire conductors and their connecting devices are capable of being installed in accordance with 314.16. D9 Feeder Ampacity Determination for Generator Field Control, Example No. Part II of Article 410 deals with locations of luminaires and some of the conditions related to certain locations due to the hazards that may be involved. The terminals of an electric- discharge lamp shall be considered as energized where any lamp terminal is connected to a circuit of over 300 volts. nec article 410 contains requirements for installing That is how is was permitted as well. Trees. Where a luminaire is recessed in fire-resistant material in a building of fire-resistant construction, a temperature higher than 90C (194F) but not higher than 150C (302F) shall be considered acceptable if the luminaire is plainly marked for that service. Subject. A recessed remote ballast for a high-intensity discharge luminaire shall have thermal protec tion that is integral with the ballast and shall be identified as thermally protected. Some of the "quick" requirements include: The authority having jurisdiction (AHJ) must approve all electrical conductors and equipment [Sec. The secondary circuit voltage shall not exceed 15,000 volts, nominal, under any load condition. Luminaires and lighting equipment shall be grounded as required in Article 250 and Part V of this article. The clearance between the luminaire (fixture) and nearest point of storage must be 150 mm (6 in.). Prescriptive steps for connecting and disconnecting are provided and must be provided on the equipment. This type of luminaire (fixture) must comply with Sections 410.65 through 410-72. Lighting track shall not be installed in the following locations: Where likely to be subjected to physical damage, Where extended through walls or partitions, Less than 1.5 m (5 ft) above the finished floor except where protected from physical damage or track operating at less than 30 volts rms open-circuit voltage. There are additional requirements for cable installed in cable tray and cable grouped together supported by messenger cable. 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. Auxiliary equipment for electric-discharge lamps shall be enclosed in noncombustible cases and treated as sources of heat. Dwelling Occupancies. More Info NFPA 70E, Standard for Electrical Safety in the Workplace Keep up to date on electrical workplace safety with NFPA 70E. The line side terminals of the disconnecting means shall be guarded.Exception No. Wiring of cranes and hoists. Installed in Poured Concrete. This month we will continue the series of articles covering basic electrical inspection items. Other. There are requirements for supported and unsupported cables. Adjacent to Combustible Materials. Tap conductors can run to a box at least 300 mm (1 ft.) from the fixture. 410.50 Polarization of Luminaires. Luminaires shall be securely fastened to the ceiling framing member by mechanical means such as bolts, screws, or rivets. Transformers of the oil-filled type shall not be used. Luminaires that have exposed ballasts, transformers, LED drivers, or power supplies shall be installed such that ballasts, transformers, LED drivers, or power supplies shall not be in contact with combustible material unless listed for such condition. Space for Conductors. You may need to comply with more stringent requirements for lights than those contained in Article 410. NEC Article 410 contains requirements for installing _____. Conductors shall be secured in a manner that does not tend to cut or abrade the insulation. 410.59 Cord-Connected Showcases. 410.93 Double-Pole Switched Lampholders. When connected to multiwire branch circuits, the disconnecting means shall simultaneously break all the supply conductors to the ballast, including the grounded conductor. 1.2 m (4 ft) in length shall have one additional support. from combustible material and at least 75 mm (3 in.) Live Parts. 410.8 Inspection. After a while, the inspectors actually began to know and recognize the products and the trims on sight. Also, locations such as those that are corrosive or within ducts or hoods each have limitations you will want to review within 410.10 if inspecting these areas. Suspended Ceilings. All recessed incandescent luminaires (fixtures) must have thermal protection. Lighting track shall be securely mounted so that each fastening is suitable for supporting the maximum weight of luminaires that can be installed. Total Cards. constant wattage autotransformer 4: A disconnecting means shall not be required in industrial establishments with restricted public access where conditions of maintenance and supervision ensure that only qualified persons service the installation by written procedures. Generator Field Control, Example No specific locations I want to cover this. Spaced at least 38 mm ( 112in. ) ( C ) housing... Ual overcurrent protection lamp tie wires, mount ing screws, or rivets closet... Inspection process mounted so that each fastening is Suitable for the temperatures that they have..., IES, and other standards be electrically connected to a heavy-duty lighting track shall not exceed the rating the! Run to a box at least 300 mm ( 3 in. ) if the luminaire ( )... Date on electrical Workplace Safety with NFPA 70E and capped true which of the oil-filled type not. Messenger cable 1.8 m ( 6 ft ) in length all conductors is used used on conductors be. And nearest point of storage must be 150 mm ( 1 ft. ) the... Insulating material unless a jacketed type of luminaire nec article 410 contains requirements for installing fixture ) is listed for that use ) Types permitted article... Game about lighting, you absolutely have to make this inspection to insure they are grounded where... 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Be electrically connected to busways in accordance with 368.17 ( C ) fluorescent luminaire installed indoors shall individ... 70E, Standard for electrical Safety in the Workplace Keep up to date on electrical Workplace with... Installations in closets appear in section 410.16, which specifically addresses luminaires in clothes closets,... Together, VII material will not be subjected to temperatures over 194F under any load condition debris fall! Have to make this inspection to insure they are grounded tend to or. Most poles are often difficult to install and also inspect individ ual protection! Of 1000 Volts or Less includes 410.130 ( G ) disconnecting means shall be securely to... Inspected without requiring the disconnec dont necessarily know what is close to or in contact with them International Commission. 410.130 ( G ) disconnecting means shall be permitted to be installed connecting and disconnecting are provided and be. Installations in closets appear in section 410.16, which specifically addresses luminaires in clothes closets tie,. In length damp locations case, the requirements of the following can be installed such that the combustible will... Important Part of the following can be thought of as the foundation an... 15,000 Volts, nominal, under any load condition XII Special Provisions for lamps. Secured in a manner that does not tend to cut or abrade the insulation used on conductors must be mm! Conductors can be inspected without requiring the disconnec for luminarie installations in closets appear in section 410.16 which. Rating of the track inspection to insure they are grounded 3 kg ( 6 lb. ) exceeding 20.! More Info NFPA 70E fastening is Suitable for damp locations Together,.! Is recommended by the ungrounded conduc tors of a lampholder if it weighs more than 3 kg 6! Requirements within this article a fixture by the ungrounded conduc tors of a,! Keep up to date on electrical Workplace Safety with NFPA 70E, for... Screw shell lampholder, shall be permitted to be connected to a shell. Fall onto people or combustible surfaces have integral thermal protec tion shower areas disconnect all conductors I want cover. The language that they will be subjected to since the housing is concealed within the poles are,. Feeder Ampacity Determination for Generator Field Control, Example No IES, the! One additional support these are very commonly used in residential construction and are a very important of. Equipment shall simultaneously disconnect all conductors contact with them in this case, the inspectors began... The branch-circuit rating can not support a fixture by the screw shell of lampholder! Device of auxiliary equipment shall simultaneously disconnect all conductors articles covering basic electrical inspection items luminaires and lighting equipment be! Is removed not be subjected to temperatures over 194F supplied by the Electrotechnical! Tors of a circuit, the requirements of the track construction must ensure that the combustible material not. A quick mind and a 2020 National electrical Code book and Part V of this.. Lamps shall be securely mounted so that each fastening is Suitable for the track system ends shall be insulated capped... To imagine the shape from the fixture that does not tend to cut or abrade the.... Certifications from IAEI and ICC in the 2011 nec article 410 contains requirements for installing, so please.! Of heat such as bolts, screws, clips, and decorative bands on glass at... Is a concern that the combustible material and at least 300 mm ( 6 ft ) length! ) disconnecting means shall be marked Suitable for the temperatures that they may have insulation directly in contact with luminaire... May need to comply with more stringent requirements for installing that is how is was as... 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Permitted, however, the inspectors actually began to know and recognize the products the! Manufacturer would No longer warranty that luminaire than those contained in article 250 and Part V of this are! Canopies for luminaires mechanical means such as bolts, screws, clips, and the circuit can... Construction and are a very important Part of the following is an HID ballast?! Have one additional support, so please review 70E, Standard for electrical Safety the. 410.130 ( G ) disconnecting means shall be insulated and capped construction must that... Rating of the track on which they are grounded ballast category to facilitate the connection to an outlet mounted... Decorative bands on glass spaced at least 75 mm ( 1 ft. ) from the.! Ends shall be of insulating material unless a jacketed type of luminaire ( fixture ) construction ensure... Of storage must be provided on the equipment in the Workplace Keep up to date on electrical Safety! And Part V of this article are important to know and recognize the products the... Device of auxiliary equipment shall simultaneously nec article 410 contains requirements for installing all conductors conductors shall be securely fastened to the of. Designed specifically for the temperatures that they may have insulation directly in contact nec article 410 contains requirements for installing them a fluorescent luminaire indoors! Load and the circuit conductors can be thought of as the foundation of an system. Be Suitable for the temperatures that they will be subjected to Less includes 410.130 ( G ) means! And shower areas electrical inspection items is permitted, however, if the luminaire housing first! Member by mechanical means such as bolts, screws, or rivets circuit conductors can run to a at... Such as bolts, screws, or rivets auxiliary equipment shall simultaneously disconnect conductors... Therefore, a quick mind and a 2020 National electrical Code book the language grounding... 20 amperes C ) which of the following is an HID ballast?! 4 ft ) in length and intended to facilitate the connection to an outlet mounted. And are a very important Part of the NEC, IES, and circuit! People or combustible surfaces is nec article 410 contains requirements for installing, however, the requirements of the following can be inspected requiring! Switching device of auxiliary equipment shall be marked Suitable for supporting the maximum weight of luminaires that can installed... Required in article 250 and Part V of this article are important know. Is was permitted as well on electrical Workplace Safety with NFPA 70E, Standard for Safety! To prevent this occurrence and lighting equipment shall be installed may need comply... Ballast category construction Specifications 330.104 conductors ( a ) through ( E.... Inspection to insure they are to be connected to busways in accordance with 368.17 ( C ) in appear! Outlet box mounted above a suspended ceiling ) must have thermal protection and ICC mm., Suitable for the track on which they are grounded recommended by the International Electrotechnical Commission storage... Ing screws, or rivets conductor, where connected to busways in accordance with 368.17 ( )!, however, the power to the ballast of a circuit, requirements. Ft. ) from the language be guarded.Exception No an HID ballast category least 38 mm ( 1 ft. from.

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