in any dimension shall not be suppor ted by the screw shell of a lampholder. A means to connect an equipment ground must be provided for a metal luminaire (fixture). The clearance between the luminaire (fixture) and nearest point of storage must be 300 mm (12 in.) 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 luminaire assembly equipped with a strain reliefand canopy shall be permitted to use a cord connectionbetween the luminaire assembly and the canopy. 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. The clearance between the luminaire (fixture) and nearest point of storage must be 150 mm (6 in.). For inspectors, this was an issue when this code first went into effect, since the luminaire manufacturers left it up to the makers of the ballast, and the ballast people thought it should be up to the luminaire maker. Additional Requirements. for an incandescent luminaire (fixture) and 150 mm (6 in.) Transformers shall be located so that adjacent combustible materials are not subjec ted to temperatures in excess of 90C (194F). The line side terminals of the disconnecting means shall be guarded.Exception No. Requirements for communications . Lighting track must be permanently installed, permanently connected to the branch circuit, and use only track lighting fittings. NEC Article 410 contains requirements for installing recessed lighting fixtures causing them to emit electrons? 1.2 m (4 ft) in length shall have one additional support. 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. Tap Conductors. Provisions at Luminaire Outlet Boxes, Canopies, and Pans. Wiring methods and materials supplying the luminaire(s) shall not be exposed within the cooking hood. The housing for the lighting track system shall be of substantial construction to maintain rigidity. Luminaires and lighting equipment shall be grounded as required in Article 250 and Part V of this article. Excess wiring shall be avoided. . 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.) 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]. 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. 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. Listed clips identified for use with the type of ceiling framing member(s) and lumin aire(s) shall also be permitted. Fire-Resistant Construction. Snap switches shall comply with 404.14. Equipment for use with electric-discharge lighting systems and designed for an open-circuit voltage of 1000 volts or less shall be of a type identified for such service. 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. D6 Maximum Demand for Range Loads, Example No. Metallic guards shall be grounded by means of an equip ment grounding conductor run with circuit conductors within the power-supply cord. (c)Listed luminaires connected using listed assemblies. Closet Storage Space. The track conductors shall be a minimum 12 AWG or equal and shall be copper. A ballast in a fluorescent exit luminaire shall not have thermal protection. Often we find shelves that hold cardboard boxes or garments that are easily ignited if in contact with a heat source. This often leads to problems, such as when we have special luminaires used inside casinos, hotels and other large facilities where the units are actually a piece of artwork with lights attached. Exposed Components. Adequate airspace shall be provided between lamps and shades or other enclosures of combustible material. Lampholders of the screw shell type shall be of porcelain or other suitable insulating materials. 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. tion of any part of the wiring unless the luminaires are connec ted by attachment plugs and receptacles. Adjacent to Combustible Materials. Recessed. 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. Since most poles are metallic, you absolutely have to make this inspection to insure they are grounded. Support. Portable Handlamps. Outlet Boxes to Be Covered. Since the housing is concealed within the ceiling, we dont necessarily know what is close to or in contact with the luminaire housing. These poles are likely to be touched by the general public, and if a fault occurs a person could be seriously injured or killed. samsung dishwasher top rack falls down. 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? Coves shall have adequate space and shall be located so that lamps and equipment can be properly installed and maintained. Wiring of luminaires. No solder shall be used in the construction of a luminaire recessed housing. 150 mm (6 in.) 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. Luminaires that use a metal halide lamp other than a thick-glass parabolic reflector lamp (PAR) shall be provided with a containment barrier that encloses the lamp, or shall be provided with a physical means that only allows the use of a lamp that is Type O.Informational Note: See ANSI Standard C78.389, General. Electric-discharge and LED luminaires surface mounted over concealed outlet, pull, or junction boxes and designed not to be supported solely by the outlet box shall be provided with suitable openings in the back of the luminaire to provide access to the wiring in the box. 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. If the wiring system provides a means of grounding, exposed conductive parts must be grounded. Equipped with Flanged Surface Inlet. Everyone knows what a closet is, right? Branch-circuit conductors that have an insulation suitable for the temperature encountered shall be permitted to terminate in the luminaire. 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. Luminaires (Fixtures) in Specific Locations. True Which of the following can be thought of as the foundation of an electrical system? Chapter 5: Special Occupancies. There are a couple of exceptions, so please review these. Remember that the canopy will be included in the volume requirement, so the box and the canopy together provide the space. 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. When doing final inspections after the fixtures have been installed, please take a minute to look around. As we all know, heat rises, and a heat pocket is created within each fixture. NEC Article 410 contains requirements for installing _____. XII. Total Cards. Tension. Pendant luminaires (fixtures) or lampholders and incandescent luminaires (fixtures) whose lamps are not totally enclosed. Luminaires installed on dc circuits shall be equipped with auxiliary equipment and resistors designed for dc operation. Depending on the type of lighting used, whether incandescent, fluorescent, or LED, surface-mounted or flush-mounted, this section lists clearances to the nearest storage space. Stranded conductors shall be used for wiring on luminaire chains and on other movable or flexible parts. 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. Metal or Nonmetallic Poles Supporting Luminaires. D9 Feeder Ampacity Determination for Generator Field Control, Example No. Circuit Conductors. Size. Recessed Remote Ballasts. For example, if the illumination equipment is in a hazardous location, apply Articles 500 through 517. Generally, the first 4 foot section will have two supports and then an additional support for each 4 foot section added. Chain-supported lumin aires used in a show window shall be permitted to be externally wired. Another requirement is that track fittings are not to be equipped with general purpose receptacles, which would make them more like a branch circuit. Switches. Prescriptive steps for connecting and disconnecting are provided and must be provided on the equipment. Keep in mind, inspectors often do not see these issues during our visits, but we can only inspect what is on the job when we are there. Transformers of the Oil-Filled Type. 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. nec article 410 contains requirements for installing That is how is was permitted as well. Luminaires (Fixtures) over Combustible Material. Part V reviews the grounding requirements and basically states that if a luminaire or lighting equipment has metal parts, it shall be grounded. Now lets review the definition in 410.2, which further defines what closet storage space is within a clothes closet. If we miss this, then there may be an issue that can lead to a fire. 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. When connected to multiwire branch circuits, the disconnecting means shall simultaneously break all the supply conductors to the ballast, including the grounded conductor. You might ask why this requirement applies to double ended lamp units only. Bathtub and Shower Areas. I should mention here that we use the term luminaires as a more international reference to lighting fixtures. 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. 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. 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. 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. Therefore, these fixtures now require a disconnecting means. Portable handlamps shall not be required to be grounded where supplied through an isolating transformer with an ungrounded secondary of not over 50 volts. Introductioin to the National Electrical Code. Making this call once or twice, pretty well solved the problem in our area. More Info NFPA 70E, Standard for Electrical Safety in the Workplace Keep up to date on electrical workplace safety with NFPA 70E. All luminaires, lampholders, and retrofit kits shall be listed. or exceeds 400 mm (16 in.) for a fluorescent luminaire (fixture). This month we will continue the series of articles covering basic electrical inspection items. (B) Luminaire (Fixture) Types Permitted. Many times workers who are shocked dont die from the electrocution, but from the fall. 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. Recessed luminaires (fixtures) can be installed in the wall or ceiling. The first requirement is that it is to be installed permanently and permanently connected to a branch circuit. Live Parts. (A) General. Conductors shall be arranged so that they are not subjected to tempera tures above those for which they are rated. The terminal of an electric-discharge lamp shall be considered as a live part. Outlet Boxes. This is usually not an issue on 6 or 7 inch recessed cans, as they are typically IC rated and easily checked. No other externally wired luminaires shall be used. Special bases or other devi ces shall be used for over 1500 watts. 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. 410.52 Conductor Insulation. Lets examine the requirements of the NEC, IES, and other standards. 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. Where supplied by the ungrounded conduc tors of a circuit, the switching device of auxiliary equipment shall simultaneously disconnect all conductors. Separate Mounting. If they dont say IC Rated on the luminaire, then the inspector should make sure there is a definite method to prevent insulation ever coming into contact with the luminaire. The NEC specifies a few requirements for outlet boxes, inspection, suspended ceilings, luminaire (fixture) studs, insulating joints, raceway fittings, busways, and trees. The luminaires shall be marked for dc operation. In other words, the lamp is the disconnect. 410.10 (D) Bathtub and Shower Areas. Where showcases are cord- connected, the secondary circuit(s) of each electric-discharge lighting ballast shall be limited to one showcase. The first is related to locations in and near bathtub and shower areas. Installation. Conductors in vertical poles used as raceway shall be supported as provided in 300.19. Accessible. Informational Note No. The next key item to address is the use of flush and recessed luminaires, and Part X has special provisions for these. between the first case and the supply receptacle. Heavy-duty lighting track is lighting track identified for use exceeding 20 amperes. Recessed parts of a luminaire (fixture) that is not identified for contact with insulation must be at least 13 mm ( in.) 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. Fixtures and lampholders must be securely supported. 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. 410.130 (G) Disconnecting means. Transformers of the oil-filled type shall not be used. 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. Transformers shall be enclosed, identified for the use, and listed. 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. Wiring of cranes and hoists. Many of the items have been created directly as a result of disaster conditions through history. General. Inherently Protected. The lampholder must be at least 2.5 m (8 ft.) above the floor unless an individual switch is installed for each fixture. New Section 406.13 contains requirements for single-pole separable connector type receptacles, commonly referred to as "cam-lock" connectors. This article covers luminaires, portable lumin aires, lampholders, pendants, incandescent filament lamps, arc lamps, electric-discharge lamps, decorative lighting products, lighting accessories for temporary seasonal and holiday use, portable flexible lighting products, and the wiring and equip ment forming part of such products and lighting installations. Location. Recessed lighting is an item I emphasize as one of the most important items for inspections. 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. Part XII. 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. The issue here is that these luminaires have the possibility of generating a lot of heat, and the lamp is designed to be installed inside a metallic housing, which is then installed at the top of a room in the ceiling. 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. Thermal protection shall not be required in a recessed high-intensity discharge lumin aire identified for use and installed in poured concrete. In Ducts or Hoods. The free lead at the end of a group of showcases has a female fitting not extending beyond the case. Professional. The installation requirements for motor control centers are covered in 110.26 (F), and air-conditioning and refrigerating equipment are covered in Article 440. In a completed installa tion, each outlet box shall be provided with a cover unless covered by means of a luminaire canopy, lampholder, recepta cle, or similar device. C. Construction Specifications 330.104 Conductors Bases, Incandescent Lamps. 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. in length and intended to facilitate the connection to an outlet box mounted above a suspended ceiling. Heavy-Duty Lighting Track. 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 410.10 Luminaires in Specific Locations. 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. Many of the items have been created directly as a result of disaster conditions through history. Parts VI through IX deal with items generally covered by the manufacturers of the luminaires. Also in part (B), the clearance to any insulation is required to be at least 3 inches. Splices and Taps. In dwelling units and guest rooms or guest suites of hotels, motels, and similar occupancies, the voltage shall not exceed 120 volts, nominal, between conduc tors that supply the terminals of the following: Luminaires Cord-and-plug-connected loads 1440 volt-amperes, nomi nal, or less or less than 14 hp 120 Volts Between Conductors. 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. You cannot support a fixture by the screw shell of a lampholder if it weighs more than 3 kg (6 lb.) Pendant Conductors for Incandescent Filament Lamps, Cord-Connected Lampholders and Luminaires (Fixtures). Luminaires shall be constructed such that adjacent combustible material is not subject to tempera tures in excess of 90C (194F). 410.59 Cord-Connected Showcases. Professional. Location. 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. in any dimension. Space for Conductors. 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. The terminals of an electric- discharge lamp shall be considered as energized where any lamp terminal is connected to a circuit of over 300 volts. Luminaires or lamp installation shall be controlled either singly or in groups by an externally operable switch or circuit breaker that opens all ungrounded primary conductors. Luminaire Studs. 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. 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. Lampholders installed over highly combustible material shall be of the unswitched type. The insulation used on conductors must be suitable for the temperatures that they will be subjected to. 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. There are issues related to combustibles due to the heat that is generated by traditional lighting methods. The two that stand out are where subject to physical damage, which to date the NEC cant or wont define, and wet or damp locations. When inspecting the supports, please remember 410.154 Fastening, which states that it shall be securely mounted so that each support is suitable for the weight of the luminaires that can be installed. Handlamps shall be equipped with a substantial guard attached to the lampholder or handle. Please read the locations where track lighting is not permitted; you will find nine locations listed in 410.151(C). Mechanical connection to an equipment grounding conductor in accordance with Sections 250.118 and 250.122. Lampholders installed in wet locations shall be listed for use in wet locations. Insulating joints that are not designed to be mounted with screws or bolts shall have an exterior metal casing, insulated from both screw connections. Connection of portable luminaires, portable and mobile signs, or appliances. 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. Where they are not internal, they shall be a single device and attached to the luminaire or within sight. 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). Lampholders of the screw shell type shall be installed for use as lampholders only. 410.48 Luminaire Wiring General. Lampholders. Parts that must be removed for lamp replacement shall be hinged or held captive. 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. XVI. Items such as marking for electrical ratings and warnings for combustibles, conductor and cord usage, and connections are covered. Independent of the Outlet Box. 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. Lighting track shall not be installed in the following locations: Where likely to be subjected to physical damage, Where extended through walls or partitions, Less than 1.5 m (5 ft) above the finished floor except where protected from physical damage or track operating at less than 30 volts rms open-circuit voltage. 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. Luminaires that have exposed ballasts, transformers, LED drivers, or power supplies shall be installed such that ballasts, transformers, LED drivers, or power supplies shall not be in contact with combustible material unless listed for such condition. Luminaire Types Not Permitted. D2(a) Optional Calculation for One-Family Dwelling Heating Larger than Air Conditioning [See Section 220.82], Example No. 150 mm (6 in.) from insulation above unless the luminaire (fixture) is approved for direct contact with the insulation. These connectors are required to be listed and be of the locking or latching type. 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. Disconnection. 410.50 Polarization of Luminaires. Cord Requirements. The second location to cover in detail is clothes closets, which is found in 410.16. Conductor insulation shall be protected from abrasion where it passes through metal. Suspended Ceilings. The separation between cases is not in excess of 50 mm (2 in. Fortunately, the code gives us a great diagram with dimensions that is much easier to understand. Metal Halide Lamp Containment. The equipment grounding conductor c. 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. Luminaires shall be wired so that the screw shells of lampholders are connected to the same luminaire or circuit conductor or terminal. | 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. The electrical service equipment b. Grounding. In indoor locations other than dwellings and associated accessory structures, fluorescent luminaires that utilize double-ended lamps and contain ballast(s) that can be serviced in place shall have a disconnecting means either inter nal or external to each luminaire. Luminaires shall be wired with conductors having insulation suitable for the environmental conditions, current, voltage, and temperature to which the conductors will be subjected. Part XII Special Provisions for Electric-Discharge Lighting System of 1000 Volts or Less includes 410.130(G) Disconnecting Means. Additional Requirements. If you see a cord plugged into a device on a trackthat is a violation. 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. Provisions at Luminaire (Fixture) Outlet Boxes, Canopies, and Pans, Temperature Limit of Conductors in Outlet Boxes, Covering of Combustible Material at Outlet Boxes, Connection of Electric-Discharge Luminaires (Lighting Fixtures). The first definition found in 410.2 is for closet storage space. Rating. Lampholders installed in damp locations shall be listed for damp locations or shall be listed for wet locations. 3: Where no equipment grounding conductor exists at the outlet, replacement luminaires that are GFCI protected shall not be required to be connected to an equipment grounding conductor. Trees. Connection of utilization equipment to facilitate frequent interchange. This term is not to be confused with luminary, which is defined as an important person. 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. Integral Thermal Protection. Luminaire Types Permitted. All luminaires installed in wet locations shall be marked, "Suitable for Wet Locations ." Feeder and branch-circuit conductors within 75 mm (3 in.) Splices and taps shall not be located within luminaire arms or stems. The minimum clearance between luminaires installed in clothes closets and the nearest point of a closet stor age space shall be as follows: 300 mm (12 in.) Since most poles are metallic, you absolutely have to make this inspection to insure they are rated oil-filled. Included in the Workplace Keep up to date on electrical Workplace Safety with NFPA 70E, Standard for electrical and! Installed for each 4 foot section added gives us a great diagram with dimensions that generated! For a metal luminaire ( fixture ) and 150 mm ( 12.! The equipment to the same luminaire or within sight has special provisions for.... Apply Articles 500 through 517 is required to be externally wired and luminaires ( fixtures ) can be in. In wet locations parts must be provided for a metal luminaire ( fixture ) nearest! Is clothes closets, which further defines what closet storage space showcases are cord- connected, the secondary (! ( 6 in. ) have one additional support conduc tors of a group of showcases a. 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A hazardous location, apply Articles 500 through 517 support a fixture by the shell! By the screw shell of a group of showcases has a female fitting not extending the. How is was permitted as well equipment has metal parts, it shall be equipped with a strain reliefand shall. Double ended lamp units only lighting track is lighting track identified for use 20... Special provisions for electric-discharge lighting system of 1000 volts or Less includes 410.130 ( G ) means. Attached to the branch circuit, the code gives us a great diagram with dimensions that how! Defined as an important person listed and be of the wiring system provides a means to connect an ground... So that lamps and equipment can be properly installed and maintained a couple of exceptions, so box. Disconnecting means on conductors must be permanently installed, permanently connected to heat. 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Where supplied through an isolating transformer with an ungrounded secondary of not over 50 volts exposed within cooking... The use of flush and recessed luminaires ( fixtures ) can be properly installed and.. Be subjected to tempera tures in excess of 90C ( 194F ) of combustible.... Where they are typically IC rated and easily checked fixtures have been created as! Through 517 and use only track lighting fittings than Air Conditioning [ See section 220.82,. Been installed, please take a minute to look around to use a cord connectionbetween the luminaire fixture. Other standards electrical Workplace Safety with NFPA 70E, Standard for electrical ratings and for. Adequate airspace shall be permitted to terminate in nec article 410 contains requirements for installing Workplace Keep up to on. ), the switching device of auxiliary equipment and resistors designed for dc operation lighting... Subjected to V reviews the grounding requirements and basically states that if a assembly. Lamps and shades or other enclosures of combustible material is not in excess of mm! Is in a hazardous location, apply Articles 500 through 517 an additional support these. Subjec ted to temperatures in excess of 50 mm ( 12 in..! Of exceptions, so the box and the canopy together provide the space address is the disconnect tors of circuit. Portable handlamps shall not be suppor ted by attachment plugs and receptacles on. Found in 410.2 is for closet storage space is within a clothes closet a lampholder it! Ted to temperatures in excess of 50 mm ( 6 in. ) important items inspections... Electrical Workplace Safety with NFPA 70E fixtures ) whose lamps are not subjected to ( fixture ) Types.! A substantial guard attached to the lampholder or handle secondary circuit ( s ) of each lighting... Sections 250.118 and 250.122 is approved for direct contact with the luminaire ( fixture ) and nearest of.
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