Type IC fixtures are designed to be installed in such a way that they may have insulation directly in contact with them. The track conductors shall be a minimum 12 AWG or equal and shall be copper. Luminaires shall be securely fastened to the ceiling framing member by mechanical means such as bolts, screws, or rivets. D4(b) Optional Calculation for Multifamily Dwelling, Example No. Thermal Protection Fluorescent Luminaires. External wiring is not permitted except chain-supported luminaires (fixtures). Connection of Electric-Discharge and LED Luminaires. 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. The grounding terminations within the poles are often difficult to install and also inspect. | 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. Electric-discharge lighting systems with an open- circuit voltage exceeding 1000 volts shall be listed and installed in conformance with that listing. One important requirement to note is that a fixture can be supported from an outlet box if the outlet box is required by 314.23 and complies with 314.27(A) and 314.27(B). Special bases or other devi ces shall be used for over 1500 watts. The line side terminals of the disconnecting means shall be guarded.Exception No. 410.8 Inspection. 410.160 Listing of Decorative Lighting. Chapter 5: Special Occupancies. Special Provisions for Electric-Discharge Lighting Systems of 1000 Volts or Less, Equipment Not Integral with Luminaire (Fixture), XIV. It is part of the National Fire Code series published by the National Fire Protection Association (NFPA), a private trade association. Normally, luminaires (fixtures) cannot be used as raceways. In addition to the provisions of 410.82(A), portable handlamps shall comply with the follow ing: Metal shell, paper-lined lampholders shall not be used. Dwelling Occupancies. Wet and Damp Locations. A luminaire that weighs more than 3 kg (6 lb) or exceeds 400 mm (16 in.) 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. Stranded conductors shall be used for wiring on luminaire chains and on other movable or flexible parts. A metal pole with a hinged base shall have the hinged base and pole bonded together. Introductioin to the National Electrical Code. You cannot have any part of a suspended fixture (i.e., the cord, pendant chain, etc.) from insulation above unless the luminaire (fixture) is approved for direct contact with the insulation. NEC Article 410 contains requirements for installing _____. General. Replacement ballasts shall also have thermal protection integral with the ballast. NEC Article 410 contains requirements for installing recessed lighting fixtures causing them to emit electrons? Surface-mounted fluorescent or LED luminaires shall be permitted to be installed within the closet storage space where identified for this use. Installed in Poured Concrete. Lampholders installed in damp locations shall be listed for damp locations or shall be listed for wet locations. Lampholders Near Combustible Material. 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. The design of the single-end luminaires is such that the non-spring tombstone (where the pin inserts into the lamp holder) has two contacts; one is the line voltage and the other is connected to the ballast. Receptacles, Connectors, and Attachment Plugs. Fire-Resistant Construction. There are requirements for supported and unsupported cables. They shall be securely fastened to the track, shall maintain polarization and connections to the equipment grounding conductor, and shall be designed to be suspended directly from the track. The connected load on lighting track shall not exceed the rating of the track. Requirements for communications . 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. Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size, Example No. Heavy-duty lighting track is lighting track identified for use exceeding 20 amperes. Luminaires over Combustible Material. 410.42 Luminaire(s) with Exposed Conductive Parts. Circuit Conductors. (D) Location. Recessed. Lampholders. Construction of Luminaires (Fixtures), Electric-Discharge Lamp Auxiliary Equipment, XI. Part XII. nec article 410 contains requirements for installingcushion foundation case 4 in.) 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. General. Marking. Raceway fittings used to support a luminaire(s) shall be capable of supporting the weight of the complete fixture assembly and lamp(s). Bathtub and Shower Areas. Outlet boxes or fittings installed as required by 314.23 and complying with the provisions of 314.27(A)(1) and 314.27(A)(2) shall be permitted to support luminaires. New Section 406.13 contains requirements for single-pole separable connector type receptacles, commonly referred to as "cam-lock" connectors. D5(a) Multifamily Dwelling Served at 208Y/120 Volts, Three Phase, Example No. Autotransformers. Electrical Level 1 - Chapter 26105-14. nec article 410 contains requirements for installing That is how is was permitted as well. (c)Listed luminaires connected using listed assemblies. The NEC specifies a few requirements for outlet boxes, inspection, suspended ceilings, luminaire (fixture) studs, insulating joints, raceway fittings, busways, and trees. Lampholders in Wet or Damp Locations. Part XV. 410.10 (D) Bathtub and Shower Areas. 410.59 Cord-Connected Showcases. Wiring Supplying Luminaires (Fixtures) Connected Together, VII. The last item I will cover in this article is Part XIV Lighting Track, or as it is more commonly called, track lighting. The free lead at the end of a group of showcases has a female fitting not extending beyond the case. 150 mm (6 in.) There is a concern that the lamps may fail in such a way that debris may fall onto people or combustible surfaces. All wiring must be in rigid conduit or threaded steel intermediate metal conduit and will need to have seal fittings installed per 501.15 (A). More times than not, these custom one-of-a-kind units are not typically listed and labeled by a Nationally Recognized Testing Laboratory (NRTL). Through-Wiring. There are requirements and exceptions listed in the Code for these supports. Lumin aires with exposed metal parts shall be provided with a means for connecting an equipment grounding conductor for such luminaires. The raceway used for the tap conductor must be at least 450 mm (18 in.) If you try to read the definition, it might be a little confusing trying to imagine the shape from the language. (E) Luminaires (Fixtures) in Indoor Sports, Mixed-Use, and All-Purpose Facilities. The secondary circuit voltage shall not exceed 15,000 volts, nominal, under any load condition. In addition to complying with the general requirements for luminaires, such equipment shall comply with Part XII of this article. Exposed accessible terminals in lampholders and switches shall not be installed in metal luminaire canopies or in open bases of portable table or floor luminaires.Exception: Cleat-type lampholders located at least 2.5 m (8 ft) above the. 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. C. Construction Specifications 330.104 Conductors A bushing or the equivalent shall be provided where flexible cord enters the base or stem of a porta ble luminaire. Total Cards. Lamp tie wires, mount ing screws, clips, and decorative bands on glass spaced at least 38 mm (112in.) Special Provisions for Electric-Discharge Lighting Systems of More Than 1000 Volts. However, I challenge you to always open your code book and follow along with the article to get the whole story. 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. Raceway Fittings. However, the only requirements for luminarie installations in closets appear in section 410.16, which specifically addresses luminaires in clothes closets. This month we will continue the series of articles covering basic electrical inspection items. Informational Note: For ampacity of fixture wire, maximum operating temperature, voltage limitations, minimum wire size, and other information, see Article 402. This was an inspection item which often resulted in a rejected final, due to luminaire substitutions, the wrong luminaire being used for that location, or modifications to the closet that changed the shelf location. Provided with Mogul-Base, Screw Shell Lampholders. The first is related to locations in and near bathtub and shower areas. Heres a question you might have heard: where in the code do we cover holiday lighting? Branch-circuit conductors that have an insulation suitable for the temperature encountered shall be permitted to terminate in the luminaire. When these 4 inch units are IC rated, they look like a can within a box design, and they are typically more expensive when compared to the non-IC rated units. Article 410 provides the requirements for installing luminaires, lampholders, lamps, and decorative lighting products on circuits greater than 30V. These are very commonly used in residential construction and are a very important part of the residential inspection process. The first definition found in 410.2 is for closet storage space. Tap Conductors. To play this game about lighting, you need a sharp eye, a quick mind and a 2020 National Electrical Code book. 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]. 1.2 m (4 ft) in length shall have one additional support. The second location to cover in detail is clothes closets, which is found in 410.16. Temperature. So, we have to picture the cube directly over the tub or shower, extending 3 feet out from the edge and 8 foot above the unit. True Which of the following can be thought of as the foundation of an electrical system? Items such as marking for electrical ratings and warnings for combustibles, conductor and cord usage, and connections are covered. or the width of the shelf, whichever is greater; for a closet that permits access to both sides of a hanging rod, this space includes the volume below the highest rod extending 300 mm (12 in.) Lamps or lampholders shall be designed so that there are no exposed live parts when lamps are being inserted or removed. One additional 2-wire branch circuit separately supplying one or more of the connected luminaires shall also be permit ted. Inlets and connectors shall be permitted to be of a lower ampere rating than the branch circuit but not less than 125 percent of the luminaire load current. 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. The track system ends shall be insulated and capped. (B) Metal or Nonmetallic Poles Supporting Luminaires (Lighting Fixtures). 110.2]. 410.50 Polarization of Luminaires. More Info NFPA 70E, Standard for Electrical Safety in the Workplace Keep up to date on electrical workplace safety with NFPA 70E. The lampholder must be at least 2.5 m (8 ft.) above the floor unless an individual switch is installed for each fixture. Support. 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. Location. In this case, the power to the ballast is disconnected when the lamp is removed. Disconnection. A simple reactance ballast in a fluorescent luminaire with straight tubular lamps shall not be required to be thermally protected. Therefore, a requirement was added to include a lens to prevent this occurrence. You probably guessedit is the last item in Article 410, and it states that holiday lighting shall be in accordance with Article 590.3(B). There are other requirements in each of these parts that I encourage you to review, since this article only covers the highlights. Listed clips identified for use with the type of ceiling framing member(s) and lumin aire(s) shall also be permitted. The 2020 NEC in Article 410 contains a new Part XVI entitled Special Provisions for Horticultural Lighting Equipment. Thermal protection shall not be required in a recessed high-intensity luminaire whose design, construction, and thermal performance characteristics are equivalent to a thermally protected luminaire and are identi fied as inherently protected. Pendant lampholders with permanently attached leads, where used for other than festoon wiring, shall be hung from separate stranded rubber-covered conductors that are soldered directly to the circuit conductors but suppor ted independently thereof. Lets examine the requirements of the NEC, IES, and other standards. Support. Transformers of the Oil-Filled Type. Exception No. 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. The voltage to ground of any output terminals of the secondary circuit shall not exceed 7500 volts under any load conditions. Pendant conductors longer than 900 mm (3 ft) shall be twisted together where not cabled in a listed assembly. Where showcases are cord- connected, the secondary circuit(s) of each electric-discharge lighting ballast shall be limited to one showcase. When doing final inspections after the fixtures have been installed, please take a minute to look around. Luminaires listed and marked for use as a raceway shall be permitted to be used as a raceway. 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. Metal Cabinets. Everyone knows what a closet is, right? Remember that the canopy will be included in the volume requirement, so the box and the canopy together provide the space. Exception No. The luminaire shall then comply with 410.42. Space for Conductors. Such luminaires shall be permitted to have an additional guard. Exception No. 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. 410.62 Cord-Connected Lampholders and Luminaires. Decorative lighting and similar accessories used for holiday lighting and similar purposes, in accordance with 590.3(B), shall be listed. 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. 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. Article 410 is another example of an article in Chapter 4 of the NEC that often doesnt get a lot of emphasis from multi-trade inspectors. for a fluorescent luminaire (fixture). Luminaires identified for through- wiring, as permitted by 410.21, shall be permitted to be used as a raceway. Luminaires installed in recessed cavities in walls or ceilings, including suspended ceilings, shall comply with 410.115 through 410.122. They must be installed so that any adjacent combustible material will not be subjected to a temperature higher than 90C (194F). Luminaires shall be of such construction or installed so that the conductors in outlet boxes shall not be subjected to temperatures greater than that for which the conductors are rated.Branch-circuit wiring, other than 2-wire or multiwire branch circuits supplying power to luminaires connected together, shall not be passed through an outlet box that is an integral part of a luminaire unless the luminaire is identified for through-wiring.Informational Note: See 410.64(C) for wiring supplying power to luminaires connected together. If you see some round insulation pieces with foil on one side laying on the ground in rooms that have surface-mounted fixtures, have the electrician drop the fixture and see if the remnants of some insulation are still glued to the top of the fixture. 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. Portable Handlamps. 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. Live Parts. Individual showcases, other than fixed, shall be permitted to be connected by flexible cord to permanently installed receptacles, and groups of not more than six such showcases shall be permitted to be coupled together by flexible cord and separable locking-type connec tors with one of the group connected by flexible cord to a permanently installed receptacle. Metal raceways or other equipment grounding conduc tors shall be bonded to the metal pole with an equipment grounding conductor recognized by 250.118 and sized in accordance with 250.122. Incandescent lumin aires shall have thermal protection and shall be identified as thermally protected. 410.64 Luminaires as Raceways. 2: Replacement luminaires shall be permitted to connect an equipment grounding conductor from the outlet in compliance with 250.130(C). 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. in any dimension. In 410.16, Clearance and Installation, the requirements are covered depending on the type of luminaire. Secondary circuit outputs shall not be connected in parallel or in series. 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 Adjacent to Combustible Materials. This may create inspection issues, as Ive seen these cord- and plug-connected and hung in various ways that I didnt consider permanent. 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. Components of lighting track systems of different voltages shall not be inter changeable. Metallic guards shall be grounded by means of an equip ment grounding conductor run with circuit conductors within the power-supply cord. Switches. As we all know, heat rises, and a heat pocket is created within each fixture. This term is not to be confused with luminary, which is defined as an important person. If we miss this, then there may be an issue that can lead to a fire. 410.44 Methods of Grounding. Outlet Boxes. (A) General. Lighting track shall be grounded in accord ance with Article 250, and the track sections shall be securely coupled to maintain continuity of the circuitry, polarization, and grounding throughout. Recessed lighting is an item I emphasize as one of the most important items for inspections. There are additional requirements for cable installed in cable tray and cable grouped together supported by messenger cable. Lighting track shall be supplied by a branch circuit having a rating not more than that of the track. 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. 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