These changes can be found in Article 690, Solar Photovoltaic (PV) Systems. 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. This includes cables, conductors, wiring devices, and others. D8 Motor Circuit Conductors, Overload Protection, and Short-Circuit and Ground-Fault Protection, Example No. of a ballast, LED driver, power supply, or transformer shall have an insulation temperature rating not lower than 90C (194F), unless supplying a luminaire marked as suitable for a different insulation temperature. These poles are likely to be touched by the general public, and if a fault occurs a person could be seriously injured or killed. The volume bounded by the sides and back closet walls and planes extending from the closet floor vertically to a height of 1.8 m (6 ft) or to the highest clothes- hanging rod and parallel to the walls at a horizontal distance of 600 mm (24 in.) As we all know, heat rises, and a heat pocket is created within each fixture. Independent of the Outlet Box. 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. 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. 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. 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. 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. The track system ends shall be insulated and capped. Lampholders installed over highly combustible material shall be of the unswitched type. The main item I want to cover here is the poles used to mount area lighting. Other. Protection Through Metal. 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. Everyone knows what a closet is, right? When connected to multiwire branch circuits, the disconnecting means shall simultaneously break all the supply conductors to the ballast, including the grounded conductor. Usually we found that the shelf depth in the tract homes we inspected was more than 12 inches, so we had to check the clearance of these closet fixtures during a final inspection. In addition to complying with the general requirements for luminaires, such equipment shall comply with Part XIII of this article. 410.93 Double-Pole Switched Lampholders. a disconnecting means either internal or external to each luminaire (fixture), to disconnect simultaneously from the source of supply all conductors of the ballast, including the grounded conductor if any. Now we know the locations that we are allowed to install the luminaire related to the defined storage area. Outlet Boxes to Be Covered. For some reason, these are not commonly purchased with an IC rating. in any dimension shall not be suppor ted by the screw shell of a lampholder. Heavy-duty lighting track is lighting track identified for use exceeding 20 amperes. Prescriptive steps for connecting and disconnecting are provided and must be provided on the equipment. Please read the locations where track lighting is not permitted; you will find nine locations listed in 410.151(C). You cannot support a fixture by the screw shell of a lampholder if it weighs more than 3 kg (6 lb.) The conductors shall be installed within the track housing, permit ting insertion of a luminaire, and designed to prevent tamper ing and accidental contact with live parts. In Ducts or Hoods. 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. Luminaire Stems. 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. Secondary circuit outputs shall not be connected in parallel or in series. 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. Part V reviews the grounding requirements and basically states that if a luminaire or lighting equipment has metal parts, it shall be grounded. 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. Marking. Stranded conductors shall be used for wiring on luminaire chains and on other movable or flexible parts. 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. 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. Luminaires over Combustible Material. instant-start lamps which of the following is an HD ballast category? Outdoor luminaires and associated equipment shall be permitted to be supported by trees. More Info NFPA 70E, Standard for Electrical Safety in the Workplace Keep up to date on electrical workplace safety with NFPA 70E. Luminaires shal be securely fastened to the ceiling framing member by mechanical means such as bolts, scres, or rivits. Exposure to Damage. (A) General. 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. Wet and Damp Locations. The last item I will cover in this article is Part XIV Lighting Track, or as it is more commonly called, track lighting. Luminaires Near Combustible Material. A bushing or the equivalent shall be provided where flexible cord enters the base or stem of a porta ble luminaire. Recessed lighting is an item I emphasize as one of the most important items for inspections. General II. 110.2]. Instant start lamps Which of the following is an HID ballast category? Chain-supported lumin aires used in a show window shall be permitted to be externally wired. 410.110 General. ), or more than 300 mm (12 in.) 410.68 Feeder and Branch-Circuit Conductors and Ballasts. 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. Live Parts. 02/08/2017. Replacement ballasts shall also have thermal protection integral with the ballast. A brief note regarding 410.18 Space for Cove Lighting: the code states that cove lighting shall have adequate space so that lamps and equipment can be properly installed and serviced. (A) Wet and Damp Locations. He holds ten inspections certifications from IAEI and ICC. 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. Thermal protection shall not be required in a recessed high-intensity discharge lumin aire identified for use and installed in poured concrete. 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.) 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. Pendant luminaires (fixtures) or lampholders and incandescent luminaires (fixtures) whose lamps are not totally enclosed. Excess wiring shall be avoided. If they were installed in a ceiling, we had the installer frame a box out around the fixtures to maintain the required 3 inch clearance from insulation. 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. For the AHJ, this is once again one of those judgment calls. 410.40 General. The luminaires shall be marked for dc operation. Lampholders Near Combustible Material. Professional. The ballast of a fluorescent luminaire installed indoors shall have integral thermal protec tion. GET YOUR CEUS TODAY, 1998-2021. There are other requirements in each of these parts that I encourage you to review, since this article only covers the highlights. Since most poles are metallic, you absolutely have to make this inspection to insure they are grounded. Coves shall have adequate space and shall be located so that lamps and equipment can be properly installed and maintained. Transformers shall be located so that adjacent combustible materials are not subjec ted to temperatures in excess of 90C (194F). 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. Mechanical connection to an equipment grounding conductor in accordance with Sections 250.118 and 250.122. However, the only requirements for luminarie installations in closets appear in section 410.16, which specifically addresses luminaires in clothes closets. Conductors in vertical poles used as raceway shall be supported as provided in 300.19. Diffusers shall be resistant to thermal shock. nec article 410 contains requirements for installing. The clearance between the luminaire (fixture) and nearest point of storage must be 150 mm (6 in.). 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. Feeder and branch-circuit conductors within 75 mm (3 in.) 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. Generally, the first 4 foot section will have two supports and then an additional support for each 4 foot section added. See Figure 410.2. 4 in.) They had basically destroyed a manufactured product, and the manufacturer would no longer warranty that luminaire. 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? 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). Handlamps shall be equipped with a handle of molded composition or other insulating material. The last thing we want is to have a heat source that may ignite some material within the ceiling and cause an attic fire. What about single pin lamps? Installed in Poured Concrete. Temperature Limit of Conductors in Outlet Boxes. 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. Within Sight or Locked Type. 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. Lighting track shall be supplied by a branch circuit having a rating not more than that of the track. Just another site D5(b) Optional Calculation for Multifamily Dwelling Served at 208Y/120 Volts, Three Phase, Example No. The disconnecting means shall be located so as to be accessible to qualified persons before servicing or main taining the ballast. Insulating joints that are not designed to be mounted with screws or bolts shall have an exterior metal casing, insulated from both screw connections. 2: See 300.5(D) for protection of conductors. Additional Requirements. All luminaires installed in wet locations shall be marked, "Suitable for Wet Locations." Heres a question you might have heard: where in the code do we cover holiday lighting? Lampholders. Luminaires installed on dc circuits shall be equipped with auxiliary equipment and resistors designed for dc operation. 410.130 (G) Disconnecting means. A luminaire shall be permitted to be connected witha cord terminating in a grounding-type attachment plug orbusway plug. Support. Electrical Level 1 - Chapter 26105-14. Closet Storage Space. Then, if you see something that just doesnt look right during an inspection, you will know where to go to verify the code requirements. 410.90 Screw Shell Type. 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. Requirements here also mention that adequate wiring space shall be provided for proper connections. These are very commonly used in residential construction and are a very important part of the residential inspection process. 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. 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. 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. Heavy-Duty Lighting Track. Recessed high-intensity luminaires designed to be installed in wall or ceiling cavities shall have thermal protec tion and be identified as thermally protected. Recessed luminaires (fixtures) can be installed in the wall or ceiling. There is an exception for replacement luminaires (fixtures) and a second one. 410.160 Listing of Decorative Lighting. One note Id like to add regarding these inspections. 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. 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. First is the requirement for properly sized handholes, which allows the installer to make the circuit conductor connections and most importantlythe grounding connections. However, in locations such as small alcoves or similar areas where 4 inch cans are installed, we may find problems. 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. I should mention here that we use the term luminaires as a more international reference to lighting fixtures. Requirements for communications . Thermal Protection Fluorescent Luminaires. Receptacles, Connectors, and Attachment Plugs. A simple reactance ballast in a fluorescent luminaire with straight tubular lamps shall not be required to be thermally protected. However, the requirements within this article are important to know and enforce. This requirement affects double ended fluorescent lamp luminaires. The fixtures must be installed in a manner so that water will not enter or collect in the lampholder, wireway, etc. Adjacent to Combustible Materials. Electrical Rating. In 410.16, Clearance and Installation, the requirements are covered depending on the type of luminaire. The canopyshall be permitted to include a section of raceway not over150 mm (6 in.) 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. XVI. General. 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 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. If we miss this, then there may be an issue that can lead to a fire. Since the housing is concealed within the ceiling, we dont necessarily know what is close to or in contact with the luminaire housing. Such luminaires shall be permitted to have an additional guard. Simple Reactance Ballasts. Grounding. This location is permitted only in nonresidential cooking areas and is subject to four specific conditions. Construction of Flush and Recessed Luminaires (Fixtures), XIII. The switch or circuit breaker shall be located within sight from the luminaires or lamps, or it shall be permitted to be located elsewhere if it is lockable in accordance with 110.25. Parts VI through IX deal with items generally covered by the manufacturers of the luminaires. Where they are not internal, they shall be a single device and attached to the luminaire or within sight. 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. Busways. Normally, luminaires (fixtures) cannot be used as raceways. 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. Bathtub and Shower Areas. Is a small pantry with a door in your kitchen considered a closet? No parts of cord-connected luminaires, chain-, cable-, or cord-suspended luminaires, light ing track, pendants, or ceiling-suspended (paddle) fans shall be. Luminaires installed in recessed cavities in walls or ceilings, including suspended ceilings, shall comply with 410.115 through 410.122. Chapter 5: Special Occupancies. Location. The installation shall comply with 410.59(A) through (E). External wiring is not permitted except chain-supported luminaires (fixtures). More times than not, these custom one-of-a-kind units are not typically listed and labeled by a Nationally Recognized Testing Laboratory (NRTL). 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. 2: Replacement luminaires shall be permitted to connect an equipment grounding conductor from the outlet in compliance with 250.130(C). Portable handlamps shall not be required to be grounded where supplied through an isolating transformer with an ungrounded secondary of not over 50 volts. for a fluorescent luminaire (fixture). Construction. 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. All luminaires shall be marked with the maxi mum lamp wattage or electrical rating, manufacturers name, trademark, or other suitable means of identification. Five exceptions exist in the 2011 Code, so please review. Type IC. D10 Feeder Ampacity Determination for Adjustable-Speed Drive Control [See 215.2, 430.24, 620.13, 620.14, 620.61, Tables 430.22(E), and 620.14], Example No. General-purpose electrical equipment includes heaters, switches, receptacles, and cords. 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. 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. Decorative lighting and similar accessories used for holiday lighting and similar purposes, in accordance with 590.3(B), shall be listed. Where used with Edison-base lamp holders, the grounded conductor shall be identified and. Solder Prohibited. Type. The fittings cannot have general-purpose receptacles. samsung dishwasher top rack falls down. Such tap conductors shall be in suitable raceway or Type AC or MC cable of at least 450 mm (18 in.) Listing. The first is related to locations in and near bathtub and shower areas. Recessed luminaires ( fixtures ) and a second one be provided on the equipment considered a closet the installer make. 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