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. Lampholders installed in wet locations shall be listed for use in wet locations. 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. A luminaire assembly equipped with a strain reliefand canopy shall be permitted to use a cord connectionbetween the luminaire assembly and the canopy. Solder Prohibited. 110.2]. Switching. (D) Location. 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 Lamphold ers 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). | 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. Branch-circuit conductors that have an insulation suitable for the temperature encountered shall be permitted to terminate in the luminaire. 1: A disconnecting means shall not be required for luminaires installed in hazardous. Another requirement is that track fittings are not to be equipped with general purpose receptacles, which would make them more like a branch circuit. Special bases or other devi ces shall be used for over 1500 watts. Chapter 3: Wiring Methods and Materials. 2014 Code Language: 410.130 (G) Disconnecting means. The NEC Wiki|powered by theWikiWP theme andWordPress. The connected load on lighting track shall not exceed the rating of the track. Professional. Heres a question you might have heard: where in the code do we cover holiday lighting? 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. Transformers shall be located so that adjacent combustible materials are not subjec ted to temperatures in excess of 90C (194F). 400.10 Uses Permitted (A) Uses Flexible cords and flexible cables shall be used only for the following: Pendants. 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. 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. 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. Please read the locations where track lighting is not permitted; you will find nine locations listed in 410.151(C). Voltage. First is the requirement for properly sized handholes, which allows the installer to make the circuit conductor connections and most importantlythe grounding connections. (A) General. The luminaires shall be marked for dc operation. This may create inspection issues, as Ive seen these cord- and plug-connected and hung in various ways that I didnt consider permanent. 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 or nonmetallic poles shall be permitted to be used to support luminaires and as a raceway to enclose supply conductors, provided the following conditions are met: A pole shall have a handhole not less than 50 mm 100 mm (2 in. (E) Luminaires (Fixtures) in Indoor Sports, Mixed-Use, and All-Purpose Facilities. NEC Article 410 contains requirements for installing _____. 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. Part III. Exception No. Since the closet doors are generally closed, if the fixture is left on and overheats items in the closet, the resulting fire could go unnoticed for quite some time. 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. Luminaire Types Permitted. 410.50 Polarization of Luminaires. Type IC luminaires have different requirements. III. 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. 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. Lighting track shall be securely mounted so that each fastening is suitable for supporting the maximum weight of luminaires that can be installed. 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]. 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. 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. D5(b) Optional Calculation for Multifamily Dwelling Served at 208Y/120 Volts, Three Phase, Example No. General II. Article 410 is another example of an article in Chapter 4 of the NEC that often doesn't get a lot of emphasis from multi-trade inspectors. Connection of utilization equipment to facilitate frequent interchange. Luminaires shall be constructed such that adjacent combustible material is not subject to tempera tures in excess of 90C (194F). There is a concern that the lamps may fail in such a way that debris may fall onto people or combustible surfaces. Lamps shall not be located where normally exposed to physical damage. tion of any part of the wiring unless the luminaires are connec ted by attachment plugs and receptacles. Secondary Conductors. from lamp terminals shall not be required to be grounded. Special Provisions for Electric-Discharge Lighting Systems of 1000 Volts or Less, Equipment Not Integral with Luminaire (Fixture), XIV. 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. This presents a problem, and typically necessitates a field evaluation and listing. 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. Lampholders Near Combustible Material. Multiwire Branch Circuits. For inspections related to location of a luminaire within a closet, we cant install the luminaire within the modified cube shape described in the definition. Exit Luminaires. All luminaires installed in wet locations shall be marked, "Suitable for Wet Locations ." but not more than 1.8 m (6 ft) in length. If the wiring system provides a means of grounding, exposed conductive parts must be grounded. The free lead at the end of a group of showcases has a female fitting not extending beyond the case. 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. He has been a master electrician since 1988. Exception No. These connectors are required to be listed and be of the locking or latching type. Unless identified for supports at greater intervals, a single section 1.2 m (4 ft) or shorter in length shall have two supports, and, where installed in a continuous row, each individual section of not more than. C. Construction Specifications 330.104 Conductors Metal Cabinets. The first definition found in 410.2 is for closet storage space. Each fitting attached to a heavy-duty lighting track shall have individ ual overcurrent protection. The NEC specifies a few requirements for outlet boxes, inspection, suspended ceilings, luminaire (fixture) studs, insulating joints, raceway fittings, busways, and trees. Additional Requirements. Luminaires shall be wired so that the screw shells of lampholders are connected to the same luminaire or circuit conductor or terminal. In Ducts or Hoods. 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. Parts VI through IX deal with items generally covered by the manufacturers of the luminaires. Pendant luminaires (fixtures) or lampholders and incandescent luminaires (fixtures) whose lamps are not totally enclosed. What about single pin lamps? Where supplied by the ungrounded conduc tors of a circuit, the switching device of auxiliary equipment shall simultaneously disconnect all conductors. Electric-discharge luminaires equipped with a flanged surface inlet shall be permitted to be supplied by cord pendants equipped with cord connectors. The voltage to ground of any output terminals of the secondary circuit shall not exceed 7500 volts under any load conditions. 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. They must be installed so that any adjacent combustible material will not be subjected to a temperature higher than 90C (194F). between the first case and the supply receptacle. Lampholders in Wet or Damp Locations. It is part of the National Fire Code series published by the National Fire Protection Association (NFPA), a private trade association. Luminaires Connected Together. 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. Luminaires in Indoor Sports, Mixed-Use, and All-Purpose Facilities. A bushing or the equivalent shall be provided where flexible cord enters the base or stem of a porta ble luminaire. Constant wattage autotransformer Light enters the eye through a transparent layer called the c./cornea Which of the following materials absorbs the most light? Stranded conductors shall be used for wiring on luminaire chains and on other movable or flexible parts. 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. Recessed lighting is an item I emphasize as one of the most important items for inspections. Surface-mounted or recessed incandescent or fluorescent fixtures are permitted. Integral Thermal Protection. Type. Many times workers who are shocked dont die from the electrocution, but from the fall. Subject. Part X. Professional. No other externally wired luminaires shall be used. 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. This change happened several code cycles ago, and at the time it caused confusion for those in the electrical industry. For some reason, these are not commonly purchased with an IC rating. See Figure 410.2. 410.46 Equipment Grounding Conductor Attachment. D2(a) Optional Calculation for One-Family Dwelling Heating Larger than Air Conditioning [See Section 220.82], Example No. In this case, the power to the ballast is disconnected when the lamp is removed. Trees. 2: See 300.5(D) for protection of conductors. 410.64 Luminaires as Raceways. 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. The code has a specific set of dimensions for storage space with an explanatory diagram. If no provision for grounding is available, they must be insulated. Special Provisions for Flush and Recessed Luminaires. The details are found in 410.10(D), where we describe a zone in which no luminaire may be installed. Luminaires (Fixtures) in Specific Locations. Lumin aires with exposed metal parts shall be provided with a means for connecting an equipment grounding conductor for such luminaires. Choose topics from a full list of courses covering electrical topics that cover what you need to know from the NEC and other electrical codes and standards. The NEC specifies a few requirements for outlet boxes, inspection, suspended ceilings, luminaire (fixture) studs, insulating joints, raceway fittings, busways, and trees. Provisions at Luminaire Outlet Boxes, Canopies, and Pans. 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