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. No unnecessary splices or taps shall be made within or on a luminaire.Informational Note: For approved means of making connec tions, see 110.14. Listing. You may need to comply with more stringent requirements for lights than those contained in Article 410. Within Sight or Locked Type. Now lets review the definition in 410.2, which further defines what closet storage space is within a clothes closet. You cannot have any part of a suspended fixture (i.e., the cord, pendant chain, etc.) III. Surface-mounted fluorescent or LED luminaires shall be permitted to be installed within the closet storage space where identified for this use. 410.52 Conductor Insulation. Handlamps shall be equipped with a handle of molded composition or other insulating material. Incandescent lumin aires shall have thermal protection and shall be identified as thermally protected. Excess wiring shall be avoided. Live Parts. Luminaires and lighting equipment shall be grounded as required in Article 250 and Part V of this article. Installed in Poured Concrete. 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. Construction. An incandescent lamp for general use on lighting branch circuits shall not be equip ped with a medium base if rated over 300 watts, or with a mogul base if rated over 1500 watts. 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. 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. Since most poles are metallic, you absolutely have to make this inspection to insure they are grounded. Bases, Incandescent Lamps. 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. D5(a) Multifamily Dwelling Served at 208Y/120 Volts, Three Phase, Example No. Some of the articles include provisions pertaining to switches, receptacles, switchboards and panelboards, industrial control panels, luminaires, appliances, air-conditioning and refrigeration equipment, and transformers. A bushing or the equivalent shall be provided where flexible cord enters the base or stem of a porta ble luminaire. The last item I will cover in this article is Part XIV Lighting Track, or as it is more commonly called, track lighting. Direct-Current Equipment. D12 Park Trailer (See 552.47), ERP and Data Warehousing in Organizations: Issues and Challenges, ERP System Acquisition: A Process Model and Results From an Austrian Survey. Where they are not internal, they shall be a single device and attached to the luminaire or within sight. 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. Portable luminaires shall be wired with flexible cord recognized by 400.4 and an attachment plug of the polar ized or grounding type. Lamps shall not be located where normally exposed to physical damage. If you are tasked with doing inspections for parking lot lighting, you need to be familiar with a few items. Informational Note No. Live Parts. Introductioin to the National Electrical Code. All luminaires installed in wet locations shall be marked, "Suitable for Wet Locations ." between the first case and the supply receptacle. Replacement ballasts shall also have thermal protection integral with the ballast. 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. Closet Storage Space. in length and intended to facilitate the connection to an outlet box mounted above a suspended ceiling. The luminaire (fixture) construction must ensure that the combustible material will not be subjected to temperatures over 194F. 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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. Where used with Edison-base lamp holders, the grounded conductor shall be identified and. 410.10 Luminaires in Specific Locations. from lamp terminals shall not be required to be grounded. Switching. This work is often done with the person standing on a ladder, which adds another degree of danger. Properly Secured. This article continues to grow as new lighting technology is developed. 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. As we mentioned earlier, we have a definition for closet storage space. A ballast in a fluorescent exit luminaire shall not have thermal protection. Wiring Supplying Luminaires (Fixtures) Connected Together, VII. The incandescent fixture must have a completely enclosed lamp. Snap switches shall comply with 404.14. The luminaires shall be marked for dc operation. (c)Listed luminaires connected using listed assemblies. (A) Wet and Damp Locations. This includes cables, conductors, wiring devices, and others. General II. Independent of the Outlet Box. 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. See Figure 410.2. Which section of the NEC requires that at least 6" of free conductor length be left at each outlet box when cutting the branch circuit wires in preparation for connecting a light fixture? 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.) 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. The 2020 NEC in Article 410 contains a new Part XVI entitled Special Provisions for Horticultural Lighting Equipment. The lampholder must be at least 2.5 m (8 ft.) above the floor unless an individual switch is installed for each fixture. Raceway fittings used to support a luminaire(s) shall be capable of supporting the weight of the complete fixture assembly and lamp(s). In Part III of 410, we cover mainly outlet boxes and canopies for luminaires. Conductors shall be secured in a manner that does not tend to cut or abrade the insulation. 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. 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. Exposure to Damage. Listing Required. No parts of cord-connected luminaires, chain-, cable, or cord-suspended luminaires, lighting track, pendants, or ceiling-suspended (paddle) fans shall be located within a zone measured 900 mm (3 ft) horizontally and 2.5 m (8 ft) vertically from the top of the bathtub rim or shower stall threshold. The line side terminals of the disconnecting means shall be guarded.Exception No. Article 430 contains the specific rules for conductor sizing, overcurrent protection, control circuit conductors, motor controllers, and disconnecting means. Lampholders installed over highly combustible material shall be of the unswitched type. 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. Fixtures and lampholders must be securely supported. Transformers shall be accessible after installa tion. Lumin aires with exposed metal parts shall be provided with a means for connecting an equipment grounding conductor for such luminaires. Many of the items have been created directly as a result of disaster conditions through history. Luminaires installed on dc circuits shall be equipped with auxiliary equipment and resistors designed for dc operation. 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. 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? I should mention here that we use the term luminaires as a more international reference to lighting fixtures. Fire-Resistant Construction. Transformers of the Oil-Filled Type. Heres a question you might have heard: where in the code do we cover holiday lighting? 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. Enclosures. 410.44 Methods of Grounding. They must be installed so that any adjacent combustible material will not be subjected to a temperature higher than 90C (194F). 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. The free lead at the end of a group of showcases has a female fitting not extending beyond the case. 2: Replacement luminaires shall be permitted to connect an equipment grounding conductor from the outlet in compliance with 250.130(C). So at first, the contractor had to field install these devices, but eventually manufacturers started to ship units with the disconnects installed. Remember that the canopy will be included in the volume requirement, so the box and the canopy together provide the space. Simple Reactance Ballasts. 410.8 Inspection. Rating. Is a small pantry with a door in your kitchen considered a closet? Use Table 402.5 for 18-16 AWG conductors. The ballast of a fluorescent luminaire installed indoors shall have integral thermal protec tion. Suspended Ceilings. There are requirements for supported and unsupported cables. Additional Requirements. He holds ten inspections certifications from IAEI and ICC. Conductors shall be arranged so that they are not subjected to tempera tures above those for which they are rated. 410.10 (D) Bathtub and Shower Areas. Electric-Discharge Lamp Auxiliary Equipment. The load calculation in 220.43(B) shall not be required to limit the length of track on a single branch circuit, and it shall not be required to limit the number of luminaires on a single track. Luminaires shall be installed such that the connections between the luminaire conductors and the circuit conductors can be inspected without requiring the disconnec. 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. 410.64 Luminaires as Raceways. This requirement affects double ended fluorescent lamp luminaires. Luminaires shall be constructed, installed, or equipped with shades or guards so that combustible material is not subjected to temper atures in excess of 90C (194F). 410.73 (G) Handbook Commentary Section 410.73 (G) was added to the 2005 Code with an effective date of January 1, 2008. . XVI. Article 411 addresses lighting systems operating at 30V or less. Luminaire Studs. 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. Recessed. 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. Type IC fixtures are designed to be installed in such a way that they may have insulation directly in contact with them. The details are found in 410.10(D), where we describe a zone in which no luminaire may be installed. Luminaire Types Not Permitted. 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. Luminaires shall be installed so that adjacent combustible material will not be subjected to temperatures in excess of 90C (194F). (B) Luminaire (Fixture) Types Permitted. Access to Boxes. Special Provisions for Flush and Recessed Luminaires (Fixtures). Recepta cles, connectors, and attachment plugs shall be of a listed grounding type rated 15 or 20 amperes. The track system ends shall be insulated and capped. 150 mm (6 in.) There are issues related to combustibles due to the heat that is generated by traditional lighting methods. Fastening. Recessed parts of a luminaire (fixture) that is not identified for contact with insulation must be at least 13 mm ( in.) The connected load on lighting track shall not exceed the rating of the track. All luminaires, lampholders, and retrofit kits shall be listed. The fixtures must be installed in a manner so that water will not enter or collect in the lampholder, wireway, etc. Informational Note: Combustible low-density cellulose fiber board includes sheets, panels, and tiles that have a density of 320 kg/m3(20 lb/ft3) or less and that are formed of bonded plant fiber material but does not include solid or laminated wood or fiberboard that has a density in excess of 320 kg/m3(20 lb/ft3) or is a material that has been integrally treated with fire-retarding chemicals to the degree that the flame spread index in any plane of the material will not exceed 25, deter mined in accordance with tests for surface burning characteris tics of building materials. Lamp Terminals and Lampholders. D5(b) Optional Calculation for Multifamily Dwelling Served at 208Y/120 Volts, Three Phase, Example No. Part V reviews the grounding requirements and basically states that if a luminaire or lighting equipment has metal parts, it shall be grounded. The next key item to address is the use of flush and recessed luminaires, and Part X has special provisions for these. Another requirement is that track fittings are not to be equipped with general purpose receptacles, which would make them more like a branch circuit. Adequate airspace shall be provided between lamps and shades or other enclosures of combustible material. Marking. More times than not, these custom one-of-a-kind units are not typically listed and labeled by a Nationally Recognized Testing Laboratory (NRTL). A lumin aire requiring supply wire rated higher than 60C (140F) shall be marked with the minimum supply wire temperature rating on the luminaire and shipping carton or equivalent. 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. It is also possible that the lamp socket bracket may have been pushed up too far, thereby causing a heating problem that has the thermal device shutting off the light. In Ducts or Hoods. Portable handlamps shall not be required to be grounded where supplied through an isolating transformer with an ungrounded secondary of not over 50 volts. 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. Luminaires installed in corrosive locations shall be of a type suitable for such locations. 410.56 Protection of Conductors and Insulation. Handlamps shall be equipped with a substantial guard attached to the lampholder or handle. Open-Circuit Voltage Exceeding 300 Volts. Electric-discharge luminaires equipped with a flanged surface inlet shall be permitted to be supplied by cord pendants equipped with cord connectors. Requirements for communications . (D) Bathtub and Shower Areas. Listed. Instant start lamps Which of the following is an HID ballast category? Incandescent luminaires with open or partially enclosed lamps and pendant luminaires or lampholders shall not be permitted. Surface-mounted luminaires (fixtures) can be installed on the wall above the door or on the ceiling. One word of caution with IC rated cans: make sure the proper size lamp and the matching trim is used, as these are tested using specific lamp and trim combinations to insure they do not overheat. Grow as new lighting technology is developed ( c ) listed luminaires connected using listed assemblies 50 Volts above. Line side terminals of the following is an HID ballast category fixtures are designed to be grounded, protection. 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