Chapter 4: Equipment for General Use. He holds ten inspections certifications from IAEI and ICC. in any dimension shall not be suppor ted by the screw shell of a lampholder. Title. Metal Halide Lamp Containment. Please read the locations where track lighting is not permitted; you will find nine locations listed in 410.151(C). Such luminaires shall be permitted to have an additional guard. 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. However, Ive had inspectors try to apply the requirements for closets in 410 to other locations. Luminaires shall be wired so that the screw shells of lampholders are connected to the same luminaire or circuit conductor or terminal. 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. Luminaires (Fixtures) over Combustible Material. Space for Conductors. 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. One category that is a fairly new concern is indoor sports, mixed use and all-purpose facilities that may utilize mercury vapor or metal halide lamps. 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. 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. Chain-supported lumin aires used in a show window shall be permitted to be externally wired. NEC Article 410 contains requirements for installing recessed lighting fixtures causing them to emit electrons? Instant start lamps Which of the following is an HID ballast category? 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. 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. 02/08/2017. He has been a master electrician since 1988. Everyone knows what a closet is, right? 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). (E) Luminaires (Fixtures) in Indoor Sports, Mixed-Use, and All-Purpose Facilities. D2(a) Optional Calculation for One-Family Dwelling Heating Larger than Air Conditioning [See Section 220.82], Example No. Part IV is titled Luminaire Supports. Multiwire Branch Circuits. 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. The load and the branch-circuit rating cannot exceed the rating of the track. samsung dishwasher top rack falls down. 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. for recessed incandescent or LED lumin aires with a completely enclosed light source installed in the wall or the ceiling. Listing Required. If the luminaire (fixture) is recessed in fire-resistant construction in a fire-resistant building, the temperature restriction is increased to 150C (302F) if the luminaire (fixture) is approved for this service. Other. There are two specific locations I want to cover in this article. Thermal Protection Fluorescent Luminaires. Electric-discharge lighting systems with an open- circuit voltage exceeding 1000 volts shall be listed and installed in conformance with that listing. There are requirements for supported and unsupported cables. The next key item to address is the use of flush and recessed luminaires, and Part X has special provisions for these. in any dimension. This includes cables, conductors, wiring devices, and others. Dwelling Occupancies. 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. However, I challenge you to always open your code book and follow along with the article to get the whole story. Please take time to read the scope of this article in 410.1. 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. Luminaires listed and marked for use as a raceway shall be permitted to be used as a raceway. Direct-Current Equipment. As we all know, heat rises, and a heat pocket is created within each fixture. Special bases or other devi ces shall be used for over 1500 watts. Also in part (B), the clearance to any insulation is required to be at least 3 inches. Transformers shall be located so that adjacent combustible materials are not subjec ted to temperatures in excess of 90C (194F). 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. Lampholders. Im not going to cover every one of these items in detail, but please be aware that units installed in wet or damp locations have to be listed for the appropriate location and should prevent water from entering a wiring compartment. 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. The 2020 NEC in Article 410 contains a new Part XVI entitled Special Provisions for Horticultural Lighting Equipment. 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. 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. Installed in Poured Concrete. These luminaries are commonly worked on without the removal of power, thus creating a shock hazard to the person performing the work. All rights reserved. III. First is the requirement for properly sized handholes, which allows the installer to make the circuit conductor connections and most importantlythe grounding connections. (c)Listed luminaires connected using listed assemblies. (C) Luminaire (Fixture) Types Not Permitted. This type of luminaire (fixture) must comply with Sections 410.65 through 410-72. 150 mm (6 in.) 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. Additional Requirements. Insulating joints that are not designed to be mounted with screws or bolts shall have an exterior metal casing, insulated from both screw connections. (C) In Ducts or Hoods. D2(b) Optional Calculation for One-Family Dwelling, Air Conditioning Larger than Heating [See 220.82(A) and 220.82(C)], Example No. These must be unswitched lampholders. It is permitted, however, if the luminaire (fixture) is listed for that use. Surface-mounted fluorescent or LED luminaires shall be permitted to be installed within the closet storage space where identified for this use. These changes can be found in Article 690, Solar Photovoltaic (PV) Systems. Tension. A luminaire that weighs more than 3 kg (6 lb) or exceeds 400 mm (16 in.) Components of lighting track systems of different voltages shall not be inter changeable. If you try to read the definition, it might be a little confusing trying to imagine the shape from the language. 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. This commonly happens when the luminaires are supplied from a foreign manufacturer that is not familiar with our product certification requirements. Transformers shall be installed as near to the lamps as practicable to keep the secondary conduc tors as short as possible. Part III. Pendant conductors longer than 900 mm (3 ft) shall be twisted together where not cabled in a listed assembly. Since the housing is concealed within the ceiling, we dont necessarily know what is close to or in contact with the luminaire housing. 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. If you are tasked with doing inspections for parking lot lighting, you need to be familiar with a few items. 410.42 Luminaire(s) with Exposed Conductive Parts. 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. Connection of utilization equipment to facilitate frequent interchange. 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. Egress Luminaires. New Section 406.13 contains requirements for single-pole separable connector type receptacles, commonly referred to as "cam-lock" connectors. 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. The NEC Wiki|powered by theWikiWP theme andWordPress. The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the United States. Article 430 contains the specific rules for conductor sizing, overcurrent protection, control circuit conductors, motor controllers, and disconnecting means. Luminaires in Indoor Sports, Mixed-Use, and All-Purpose Facilities. True Which of the following can be thought of as the foundation of an electrical system? Part X. Parts of the luminaire exposed within the hood shall be corrosion resistant or protected against corrosion, and the surface shall be smooth so as not to collect deposits and to facilitate cleaning. 410.18 Space for Cove Lighting. 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. 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. When connected to multiwire branch circuits, the disconnecting means shall simultaneously break all the supply conductors to the ballast, including the grounded conductor. Chapter 3: Wiring Methods and Materials. from the sides and back of the closet walls, respectively, and continuing vertically to the closet ceiling parallel to the walls at a horizontal distance of 300 mm (12 in.) 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. Branch-circuit conductors that have an insulation suitable for the temperature encountered shall be permitted to terminate in the luminaire. Chapter 4 of the National Electrical Code (NEC), Equipment for General Use, contains 22 articles. Exposed Components. Professional. Portable luminaires shall be wired with flexible cord recognized by 400.4 and an attachment plug of the polar ized or grounding type. Parts VI through IX deal with items generally covered by the manufacturers of the luminaires. Luminaires shall be securely fastened to the ceiling framing member by mechanical means such as bolts, screws, or rivets. 410.10 Luminaires in Specific Locations. Requirements for communications . Several codes regulate the use of artificial lighting. Within Sight or Locked Type. 410.62 Cord-Connected Lampholders and Luminaires. The first is related to locations in and near bathtub and shower areas. Luminaires installed on dc circuits shall be equipped with auxiliary equipment and resistors designed for dc operation. . I will not go into detail here, but the scope has a laundry list of items and you will find that it is pretty exclusively related to lighting products and devices. 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. No solder shall be used in the construction of a luminaire recessed housing. Adjacent to Combustible Materials. 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 idea with this code requirement is that we dont want a heat source, the luminaire, to be in contact with anything that may be stored there. Many of the items have been created directly as a result of disaster conditions through history. 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. D9 Feeder Ampacity Determination for Generator Field Control, Example No. This requirement affects double ended fluorescent lamp luminaires. If the ceiling height is adequate to allow a luminaire to be installed above the 8 foot zone, the luminaire must be listed for damp locations; if subject to shower spray, the luminaire must be listed for wet locations. 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. Luminaires (Fixtures) in Specific Locations. Trees. 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. Transformers of the oil-filled type shall not be used. Thermal insulation shall not be installed above a recessed luminaire or within 75 mm (3 in.) Handlamps shall be equipped with a handle of molded composition or other insulating material. within 900 mm (3 ft.) horizontally and 2.5 m (8 ft.) vertically from the top of the bathtub rim or shower stall threshold. A metal pole with a hinged base shall have the hinged base and pole bonded together. 110.2]. 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Make the circuit conductor connections and most importantlythe grounding connections 400.4 and attachment. Start lamps Which of the track ten inspections certifications from IAEI and ICC shall! Lighting fixtures causing them to emit electrons Calculation for One-Family Dwelling Heating Larger than Air Conditioning [ See Section ]... & quot ; connectors suppor ted by the screw shell of a lampholder be suppor ted by the shells! Conformance with that listing, Mixed-Use, and others however, if the luminaire ( )! What is close to or in contact with the article to get the story... Thus creating a shock hazard to the same luminaire or within 75 mm ( 16 in. conductor connections most. Luminaires, and disconnecting means these luminaries are commonly worked on without the removal of,!
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