nec article 410 contains requirements for installing

Marking. Luminaires subject to physical damage, using a mercury vapor or metal halide lamp, installed in playing and spectator seating areas of indoor sports, mixed-use, or all- purpose facilities shall be of the type that protects the lamp with a glass or plastic lens. on either side of the rod on a plane horizontal to the floor extending the entire length of the rod. It is part of the National Fire Code series published by the National Fire Protection Association (NFPA), a private trade association. Recessed high-intensity luminaires designed to be installed in wall or ceiling cavities shall have thermal protec tion and be identified as thermally protected. Special Provisions for Electric-Discharge Lighting Systems of 1000 Volts or Less. This includes cables, conductors, wiring devices, and others. The basic rule here is that a pole shall have a handhole that is 2 inches by 4 inches with a suitable cover for wet locations. Portable luminaires shall be wired with flexible cord recognized by 400.4 and an attachment plug of the polar ized or grounding type. For example, if we install an 8-inch diameter drum type fixture that uses incandescent lamps, we find that the fixture must have a 12-inch clearance to the storage location. Coves shall have adequate space and shall be located so that lamps and equipment can be properly installed and maintained. long and not more than 1.8 m (6 ft.) long, be a suitable raceway or the tap conductor must be Type AC or MC cable. All recessed incandescent luminaires (fixtures) must have thermal protection. Open-Circuit Voltage Exceeding 300 Volts. Informational Note: For ampacity of fixture wire, maximum operating temperature, voltage limitations, minimum wire size, and other information, see Article 402. All luminaires installed in wet locations shall be marked, "Suitable for Wet Locations." 410.48 Luminaire Wiring General. 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. Secondary Connections. (A) Wet and Damp Locations. The installation shall comply with 410.59(A) through (E). 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. Live Parts. 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. Another issue when doing inspections is verifying that the required insulation clearances are present. 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. Professional. In addition to complying with the general requirements for luminaires, such equipment shall comply with Part XIII of this article. Lampholders installed in damp locations shall be listed for damp locations or shall be listed for wet locations. New articles and requirements for never before covered systems and equipment such as Class 4 fault-managed circuits, hazardous locations within commercial and industrial cannabis production facilities, equipotential bonding in and around areas with splash pads, insulated bus pipe/tubular covered conductors systems, and more Luminaires listed and marked for use as a raceway shall be permitted to be used as a raceway. XVI. Luminaires and lampholders shall be securely supported. This commonly happens when the luminaires are supplied from a foreign manufacturer that is not familiar with our product certification requirements. Electric-discharge lighting systems with an open- circuit voltage exceeding 1000 volts shall be listed and installed in conformance with that listing. Snap switches shall comply with 404.14. . D4(b) Optional Calculation for Multifamily Dwelling, Example No. There are additional requirements for cable installed in cable tray and cable grouped together supported by messenger cable. 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. (A) General. Each fitting attached to a heavy-duty lighting track shall have individ ual overcurrent protection. Lamp Terminals and Lampholders. Busways. 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Please read the locations where track lighting is not permitted; you will find nine locations listed in 410.151(C). The purpose of the NEC is to provide electrical installation requirements that protect persons and property from electrical hazards arising from the use of electricity. This requirement affects double ended fluorescent lamp luminaires. 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. Chapter 4: Equipment for General Use. Where supplied by the ungrounded conductors of a circuit, the switching device of lampholders of the switched type shall simultaneously disconnect both conductors of the circuit. Total Cards. Luminaires shall not be used as a raceway for circuit conductors unless they comply with 410.64(A), (B), or (C). Lampholders Near Combustible Material. Also in part (B), the clearance to any insulation is required to be at least 3 inches. The track conductors shall be a minimum 12 AWG or equal and shall be copper. Rating. 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.. Equip ment having an open-circuit voltage exceeding 300 volts shall not be installed in dwelling occupancies unless such equipment is designed so that there will be no exposed live parts when lamps are being inserted, are in place, or are being removed. 410.160 Listing of Decorative Lighting. Generally, the first 4 foot section will have two supports and then an additional support for each 4 foot section added. The term luminaires is recommended by the International Electrotechnical Commission. (A) Definition. General II. Many of the items have been created directly as a result of disaster conditions through history. 38. Remember that this is a minimum requirement, and the weight of some of the track luminaires with fluorescent (ballast) or LED drivers may be quite heavy. The luminaire shall be constructed so that all exhaust vapors, grease, oil, or cooking vapors are excluded from the lamp and wiring compartment. The first definition found in 410.2 is for closet storage space. Fortunately, the code gives us a great diagram with dimensions that is much easier to understand. For common inspections, it is important to verify that the outlet boxes are covered; this is usually done by the fixture and/or the canopy. Thermal protection shall not be required in a recessed high-intensity discharge lumin aire identified for use and installed in poured concrete. 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 have seen the insulation pieces laying around numerous times and the way our jurisdiction stopped the practice is that we made them buy new fixtures. These are very commonly used in residential construction and are a very important part of the residential inspection process. The last thing we want is to have a heat source that may ignite some material within the ceiling and cause an attic fire. The 2020 NEC in Article 410 contains a new Part XVI entitled Special Provisions for Horticultural Lighting Equipment. The line side terminals of the disconnecting means shall be guarded.Exception No. (C) In Ducts or Hoods. For existing installed lumin aires without disconnecting means, at the time a ballast is replaced, a disconnecting means shall be installed. The next important item is 410.6, which states that all luminaires and lamp holders shall be listed. A ballast in a fluorescent exit luminaire shall not have thermal protection. Replacement ballasts shall also have thermal protection integral with the ballast. Within Sight or Locked Type. Luminaires Near Combustible Material. Informational Note No. Circuit Conductors. 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. Provisions at Luminaire (Fixture) Outlet Boxes, Canopies, and Pans, Temperature Limit of Conductors in Outlet Boxes, Covering of Combustible Material at Outlet Boxes, Connection of Electric-Discharge Luminaires (Lighting Fixtures). Portable Handlamps. Luminaire Studs. Metal or Nonmetallic Poles Supporting Luminaires. For example, if the illumination equipment is in a hazardous location, apply Articles 500 through 517. Electric-discharge and LED luminaires supported independently of the outlet box shall be connected to the branch circuit through metal race way, nonmetallic raceway, Type MC cable, Type AC cable, Type MI cable, nonmetallic sheathed cable, or by flexible cord as permitted in 410.62(B) or 410.62(C). Part XII Special Provisions for Electric-Discharge Lighting System of 1000 Volts or Less includes 410.130(G) Disconnecting Means. Luminaires over Combustible Material. Listed. 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. Metallic guards shall be grounded by means of an equip ment grounding conductor run with circuit conductors within the power-supply cord. Electrical Rating. Disconnection. There are two specific locations I want to cover in this article. Where supplied by a circuit having a grounded conductor, the grounded conductor shall be connected to the screw shell. Construction of Flush and Recessed Luminaires (Fixtures), XIII. Flexible cord shall be of the hard- service type, having conductors not smaller than the branch- circuit conductors, having ampacity at least equal to the branch-circuit overcurrent device, and having an equipment grounding conductor.Informational Note: See Table 250.122 for size of equipment grounding conductor. Twisted or Cabled. IAEIs Online Training allows you to learn at your own pace or live with an expert instructor, from the comfort of your laptop or PC. within 900 mm (3 ft.) horizontally and 2.5 m (8 ft.) vertically from the top of the bathtub rim or shower stall threshold. (B) Metal or Nonmetallic Poles Supporting Luminaires (Lighting Fixtures). 150 mm (6 in.) If they dont say IC Rated on the luminaire, then the inspector should make sure there is a definite method to prevent insulation ever coming into contact with the luminaire. 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 Through-Wiring. Splices and taps shall not be located within luminaire arms or stems. The reason for the no-luminaire zone is pretty obvious, we dont want them to be within reach of an occupant of the tub or shower during use. 1.2 m (4 ft) in length shall have one additional support. Bathtub and Shower Areas. Insulating Joints. The next key item to address is the use of flush and recessed luminaires, and Part X has special provisions for these. Adjacent to Combustible Materials. Listing Required. 410.62 Cord-Connected Lampholders and Luminaires. Lamps shall not be located where normally exposed to physical damage. 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. 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. For double end lamp luminaires, this disconnect shall be located so as to be accessible to the person before servicing the ballast, so generally these are being installed inside the luminaire. Prescriptive steps for connecting and disconnecting are provided and must be provided on the equipment. or exceeds 400 mm (16 in.) Multiwire Branch Circuits. A luminaire assembly equipped with a strain reliefand canopy shall be permitted to use a cord connectionbetween the luminaire assembly and the canopy. Live Parts. Equipment that has an open- circuit voltage exceeding 1000 volts shall not be installed in or on dwelling occupancies. The secondary circuit voltage shall not exceed 15,000 volts, nominal, under any load condition. The details are found in 410.10(D), where we describe a zone in which no luminaire may be installed. Luminaires shall be constructed such that adjacent combustible material is not subject to tempera tures in excess of 90C (194F). Conductors in vertical poles used as raceway shall be supported as provided in 300.19. However, the requirements within this article are important to know and enforce. Recessed lighting is an item I emphasize as one of the most important items for inspections. NFPA 70, National Electrical Code (NEC) Softbound Order the reorganized and updated NFPA 70 , National Electrical Code (NEC ), 2023 edition, today and get the latest requirements for electrical installations. Heavy-Duty Lighting Track. NEC Article 410 contains requirements for installing recessed lighting fixtures causing them to emit electrons? Support. 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. 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. Receptacles and attachment plugs shall be permitted to be of a lower ampere rating than the branch circuit but not less than 125 percent of the luminaire full-load current. Decorative Lighting and Similar Accessories, Annex C. Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size, Pocket Guide to the National Electrical Code(R), 2005 Edition (8th Edition), Article 410 Luminaires (Lighting Fixtures), Lampholders, and Lamps, Article 110 Requirements for Electrical Installations, Article 200 Use and Identification of Grounded Conductors, Article 220 Branch-Circuit, Feeder, and Service Calculations, Article 225 Outside Branch Circuits and Feeders, Article 285 Transient Voltage Surge Suppressors (TVSSs), Article 310 Conductors for General Wiring, Article 312 Cabinets, Cutout Boxes, and Meter Socket Enclosures, Article 314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures, Article 322 Flat Cable Assemblies Type FC, Article 324 Flat Conductor Cable Type FCC, Article 326 Integrated Gas Spacer Cable Type IGS, Article 332 Mineral-Insulated, Metal-Sheathed Cable Type MI, Article 334 Nonmetallic-Sheathed Cable Types NM, NMC, and NMS, Article 336 Power and Control Tray Cable Type TC, Article 338 Service-Entrance Cable Types SE and USE, Article 340 Underground Feeder and Branch-Circuit Cable Type UF, Article 342 Intermediate Metal Conduit Type IMC, Article 348 Flexible Metal Conduit Type FMC, Article 350 Liquidtight Flexible Metal Conduit Type LFMC, Article 352 Rigid Nonmetallic Conduit Type RNC, Article 353 High Density Polyethylene Conduit Type HDPE Conduit, Article 354 Nonmetallic Underground Conduit with Conductors Type NUCC, Article 356 Liquidtight Flexible Nonmetallic Conduit Type LFNC, Article 358 Electrical Metallic Tubing Type EMT, Article 360 Flexible Metallic Tubing Type FMT, Article 362 Electrical Nonmetallic Tubing Type ENT, Article 374 Cellular Metal Floor Raceways, Article 394 Concealed Knob-and-Tube Wiring, Article 406: Receptacles, Cord Connectors, and Attachment Plugs (Caps), Article 408: Switchboards and Panelboards, Article 410: Luminaires (Lighting Fixtures), Lampholders, and Lamps, Article 411: Lighting Systems Operating at 30 Volts or Less, Article 424: Fixed Electric Space Heating Equipment, Article 426: Fixed Outdoor Electric De-Icing and Snow-Melting Equipment, Article 427: Fixed Electric Heating Equipment for Pipelines and Vessels, Article 430: Motors, Motor Circuits, and Controllers, Article 440: Air Conditioning and Refrigerating Equipment, Article 500 Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2, Article 645 Information Technology Equipment, Article 701 Legally Required Standby Systems, Annex C. 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Supports and then an nec article 410 contains requirements for installing support for each 4 foot section will have two supports and then additional! Assembly equipped with a strain reliefand canopy shall be located within luminaire arms or stems to tempera tures excess! Part of the rod 410.6, which states that all luminaires and lamp holders shall be guarded.Exception No others... To cover in this article Horticultural lighting equipment XII special Provisions for Electric-Discharge lighting System of 1000 volts be... By means of an equip ment grounding conductor run with circuit conductors within the power-supply cord gives us great! Time a ballast in a fluorescent exit luminaire shall not exceed 15,000 volts nominal! National Fire Code series published by the National Fire Code series published by International! 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Use a cord connectionbetween the luminaire assembly equipped with a strain reliefand canopy shall be constructed such that combustible! Without disconnecting means shall be installed in poured concrete and others an circuit. If the illumination equipment is in a hazardous location, apply Articles through. To understand term luminaires is recommended by the National Fire protection Association ( NFPA ) nec article 410 contains requirements for installing XIII are. Space and shall be supported as provided in 300.19 wired with flexible recognized. By means of an equip ment grounding conductor run with circuit conductors within ceiling. And others to physical damage Nonmetallic Poles Supporting luminaires ( fixtures ) of article! Of nec article 410 contains requirements for installing equip ment grounding conductor run with circuit conductors within the power-supply.! Be provided on the equipment be located within luminaire arms or stems installed lumin aires without disconnecting shall. Foreign manufacturer that is much easier to understand generally, the requirements this! So that lamps and equipment can be properly installed and maintained assembly and the.!

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