nec article 410 contains requirements for installing

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D4(b) Optional Calculation for Multifamily Dwelling, Example No. If you try to read the definition, it might be a little confusing trying to imagine the shape from the language. As we all know, heat rises, and a heat pocket is created within each fixture. Independent of the Outlet Box. 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. Decorative lighting and similar accessories used for holiday lighting and similar purposes, in accordance with 590.3(B), shall be listed. 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. Use Table 402.5 for 18-16 AWG conductors. Chapter 3: Wiring Methods and Materials. Since the housing is concealed within the ceiling, we dont necessarily know what is close to or in contact with the luminaire housing. 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. Installed in Poured Concrete. 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. Tap conductors can run to a box at least 300 mm (1 ft.) from the fixture. Another issue when doing inspections is verifying that the required insulation clearances are present. The basic rule here is that a pole shall have a handhole that is 2 inches by 4 inches with a suitable cover for wet locations. Luminaires shall be permitted to be connected to busways in accordance with 368.17(C). between the first case and the supply receptacle. D8 Motor Circuit Conductors, Overload Protection, and Short-Circuit and Ground-Fault Protection, Example No. (D) Location. 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. Recessed high-intensity luminaires designed to be installed in wall or ceiling cavities shall have thermal protec tion and be identified as thermally protected. Conductors shall be arranged so that the weight of the luminaire or movable parts does not put tension on the conductors. (D) Bathtub and Shower Areas. Equipped with Flanged Surface Inlet. from lamp terminals shall not be required to be grounded. Electrical Rating. Luminaires (Fixtures) in Specific Locations. Autotransformers. Luminaires installed in recessed cavities in walls or ceilings, including suspended ceilings, shall comply with 410.115 through 410.122. Wet and Damp Locations. These changes can be found in Article 690, Solar Photovoltaic (PV) Systems. Professional. 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. 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 main item I want to cover here is the poles used to mount area lighting. Dwelling Occupancies. The installation requirements for motor control centers are covered in 110.26 (F), and air-conditioning and refrigerating equipment are covered in Article 440. A ballast in a fluorescent luminaire that is used for egress lighting and energized only during a fail ure of the normal supply shall not have thermal protection. Support. A toggle bolt pushed through a lay-in ceiling tile will likely not be adequate. Raceway Fittings. Switching. Article 411 addresses lighting systems operating at 30V or less. Conductors shall be secured in a manner that does not tend to cut or abrade the insulation. 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. Lets examine the requirements of the NEC, IES, and other standards. Instant start lamps Which of the following is an HID ballast category? 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.) Lampholders installed in wet locations shall be listed for use in wet locations. A simple reactance ballast in a fluorescent luminaire with straight tubular lamps shall not be required to be thermally protected. One important requirement to note is that a fixture can be supported from an outlet box if the outlet box is required by 314.23 and complies with 314.27 (A) and 314.27 (B). Part XII Special Provisions for Electric-Discharge Lighting System of 1000 Volts or Less includes 410.130(G) Disconnecting Means. Constant wattage autotransformer Light enters the eye through a transparent layer called the c./cornea Which of the following materials absorbs the most light? Access to Boxes. Electric-discharge and LED luminaires supported independently of the outlet box shall be connected to the branch circuit through metal race way, nonmetallic raceway, Type MC cable, Type AC cable, Type MI cable, nonmetallic sheathed cable, or by flexible cord as permitted in 410.62(B) or 410.62(C). D2(c) Optional Calculation for One-Family Dwelling with Heat Pump(Single-Phase, 240/120-Volt Service) (See 220.82), Example D3(a) Industrial Feeders in a Common Raceway, Example No. 410.130 (G) Disconnecting means. In addition to the provisions of 410.82(A), portable handlamps shall comply with the follow ing: Metal shell, paper-lined lampholders shall not be used. Thermal protection shall not be required in a recessed high-intensity discharge lumin aire identified for use and installed in poured concrete. 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. Tap Conductors. Closet Storage Space. a. The code has a specific set of dimensions for storage space with an explanatory diagram. Support. No parts of cord-connected luminaires, chain-, cable-, or cord-suspended luminaires, light ing track, pendants, or ceiling-suspended (paddle) fans shall be. Surface-mounted or recessed incandescent or fluorescent fixtures are permitted. 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. 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. 410.46 Equipment Grounding Conductor Attachment. 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. 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. Splices and taps shall not be located within luminaire arms or stems. Once the job is complete, it is not unusual for all kinds of inventive wiring methods to start, but those are well beyond our control. Switches. Location. 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. When doing final inspections after the fixtures have been installed, please take a minute to look around. The line side terminals of the disconnecting means shall be guarded.Exception No. This commonly happens when the luminaires are supplied from a foreign manufacturer that is not familiar with our product certification requirements. Direct-Current Equipment. Insulating joints that are not designed to be mounted with screws or bolts shall have an exterior metal casing, insulated from both screw connections. 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. 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. 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 fixtures must be installed in a manner so that water will not enter or collect in the lampholder, wireway, etc. 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. 410.10 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. Requirements for communications . Secondary circuit outputs shall not be connected in parallel or in series. All of the electrical equipment and enclosures must be specifically approved for the location [682.10]. 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. He holds ten inspections certifications from IAEI and ICC. 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. Total Cards. The solution we found was to have the carpenter install fire blocking above the luminaire to prevent insulation from coming down into any architectural area where the luminaires were installed. The insulation used on conductors must be suitable for the temperatures that they will be subjected to. Coves shall have adequate space and shall be located so that lamps and equipment can be properly installed and maintained. 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. Special Provisions for Electric-Discharge Lighting Systems of 1000 Volts or Less. All luminaires installed in wet locations shall be marked, "Suitable for Wet Locations ." Open-Circuit Voltage of 1000 Volts or Less. Lampholders installed in damp locations shall be listed for damp locations or shall be listed for wet locations. Many times workers who are shocked dont die from the electrocution, but from the fall. Portable handlamps shall not be required to be grounded where supplied through an isolating transformer with an ungrounded secondary of not over 50 volts. 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. C. Construction Specifications 330.104 Conductors The means for providing illumination has gone through numerous changes over the centuries, from oil lamps to incandescent bulbs, to fluorescent tubes and LEDs. 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.) 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. Wiring Supplying Luminaires (Fixtures) Connected Together, VII. Luminaires and lighting equipment shall be grounded as required in Article 250 and Part V of this article. 150 mm (6 in.) The load and the branch-circuit rating cannot exceed the rating of the track. You cannot support a fixture by the screw shell of a lampholder if it weighs more than 3 kg (6 lb.) Listing. Conductor insulation shall be protected from abrasion where it passes through metal. 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. Outlet Boxes. Bathtub and Shower Areas. All luminaires installed in wet locations shall be marked, Suitable for Wet Locations. All luminaires installed in damp locations shall be marked Suitable for Wet Locations or Suitable for Damp Locations.. 410.48 Luminaire Wiring General. Listed clips identified for use with the type of ceiling framing member(s) and lumin aire(s) shall also be permitted. Special Provisions for Electric-Discharge Lighting Systems of More Than 1000 Volts. The luminaire (fixture) construction must ensure that the combustible material will not be subjected to temperatures over 194F. Chain-supported lumin aires used in a show window shall be permitted to be externally wired. nec article 410 contains requirements for installing. Subject. Recessed lighting is an item I emphasize as one of the most important items for inspections. Branch-circuit conductors that have an insulation suitable for the temperature encountered shall be permitted to terminate in the luminaire. The luminaires shall be marked for dc operation. This presents a problem, and typically necessitates a field evaluation and listing. Part V reviews the grounding requirements and basically states that if a luminaire or lighting equipment has metal parts, it shall be grounded. Luminaires shall be installed such that the connections between the luminaire conductors and the circuit conductors can be inspected without requiring the disconnec. Circuit breakers Circuit breakers must be capable of being opened and closed by hand. 150 mm (6 in.) nec article 410 contains requirements for installing nec article 410 contains requirements for installing Corrosive Locations. Diffusers shall be resistant to thermal shock. The secondary circuit voltage shall not exceed 15,000 volts, nominal, under any load condition. 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 Fortunately, the code gives us a great diagram with dimensions that is much easier to understand. Luminaires shal be securely fastened to the ceiling framing member by mechanical means such as bolts, scres, or rivits. The luminaire shall be constructed so that all exhaust vapors, grease, oil, or cooking vapors are excluded from the lamp and wiring compartment. A bushing or the equivalent shall be provided where flexible cord enters the base or stem of a porta ble luminaire. 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) Wet and Damp Locations. 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. Locations Not Permitted. This location is permitted only in nonresidential cooking areas and is subject to four specific conditions. A means to connect an equipment ground must be provided for a metal luminaire (fixture). This is usually not an issue on 6 or 7 inch recessed cans, as they are typically IC rated and easily checked. After a while, the inspectors actually began to know and recognize the products and the trims on sight. Location. Exposure to Damage. Lamps or lampholders shall be designed so that there are no exposed live parts when lamps are being inserted or removed. Informational Note No. Temperature Limit of Conductors in Outlet Boxes. 410.160 Listing of Decorative Lighting. There are requirements for supported and unsupported cables. Thermal insulation shall not be installed above a recessed luminaire or within 75 mm (3 in.) 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. Luminaires shall be wired with conductors having insulation suitable for the environmental conditions, current, voltage, and temperature to which the conductors will be subjected. 410.44 Methods of Grounding. 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.) in any dimension. Multiwire Branch Circuits. Live Parts. XVI. 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. Installation. 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For the AHJ, this is once again one of those judgment calls. However, the only requirements for luminarie installations in closets appear in section 410.16, which specifically addresses luminaires in clothes closets. The raceway used for the tap conductor must be at least 450 mm (18 in.) Live Parts. While it may be possible to list them together, I havent seen a fixture that is listed for another manufacturers trims. 410.90 Screw Shell Type. General II. Surface-mounted luminaires (fixtures) can be installed on the wall above the door or on the ceiling. Properly Secured. In Part III of 410, we cover mainly outlet boxes and canopies for luminaires. Transformers of the oil-filled type shall not be used. Electric-discharge lighting systems with an open- circuit voltage exceeding 1000 volts shall be listed and installed in conformance with that listing. D6 Maximum Demand for Range Loads, Example No. General. A common problem here is that a contractor will use a particular brand of recessed can, and then trim them out with a different brand of trim; since those items were not tested together, this is a violation of the IC listing of the recessed can. The electrical service equipment b. Wiring on or within luminaires shall be neatly arranged and shall not be exposed to physical damage. 410.62 Cord-Connected Lampholders and Luminaires. Items such as marking for electrical ratings and warnings for combustibles, conductor and cord usage, and connections are covered. 4 in.) 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.) Metal Halide Lamp Containment. The first is related to locations in and near bathtub and shower areas. The term luminaires is recommended by the International Electrotechnical Commission. Article 410 provides the requirements for installing luminaires, lampholders, lamps, and decorative lighting products on circuits greater than 30V. These buildings concern unique environments that pose a high risk to multiple people. Many of the items have been created directly as a result of disaster conditions through history. Luminaires over Combustible Material. Luminaire Studs. 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. 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. Insulating Joints. Lampholders Near Combustible Material. 410.73 (G) Handbook Commentary Section 410.73 (G) was added to the 2005 Code with an effective date of January 1, 2008. . Lamp Terminals and Lampholders. No other externally wired luminaires shall be used. Tension. These poles are likely to be touched by the general public, and if a fault occurs a person could be seriously injured or killed. This month we will continue the series of articles covering basic electrical inspection items. Surface-mounted fluorescent or LED luminaires shall be permitted to be installed within the closet storage space where identified for this use. Pendant Conductors for Incandescent Filament Lamps, Cord-Connected Lampholders and Luminaires (Fixtures). Decorative Lighting and Similar Accessories. 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. However, Ive had inspectors try to apply the requirements for closets in 410 to other locations. They look the same in size and design, especially during construction. Listed. Luminaires and lampholders shall 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. Transformers of the Oil-Filled Type. True Which of the following can be thought of as the foundation of an electrical system? Thermal Protection Fluorescent Luminaires. Pendant luminaires (fixtures) or lampholders and incandescent luminaires (fixtures) whose lamps are not totally enclosed. 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. Pendant conductors longer than 900 mm (3 ft) shall be twisted together where not cabled in a listed assembly. Secondary Circuit(s). The bushing shall be of insulating material unless a jacketed type of cord is used. Therefore, these fixtures now require a disconnecting means. Recessed Incandescent Luminaires. 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. Transformers shall be installed as near to the lamps as practicable to keep the secondary conduc tors as short as possible. Type IC. These must be unswitched lampholders. 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. These luminaries are commonly worked on without the removal of power, thus creating a shock hazard to the person performing the work. Where a luminaire is recessed in fire-resistant material in a building of fire-resistant construction, a temperature higher than 90C (194F) but not higher than 150C (302F) shall be considered acceptable if the luminaire is plainly marked for that service. from insulation above unless the luminaire (fixture) is approved for direct contact with the insulation. Randy Hunter is an instructor and consultant specializing in electrical code and installations, and co-owner of Hunter Technical Services. Twisted or Cabled. Heavy-Duty Lighting Track. Fire-Resistant Construction. Unless part of listed decorative lighting assemblies, pendant conductors shall not be smaller than 14 AWG for mogul-base or medium-base screw shell lampholders or smaller than 18 AWG for intermediate or candelabra-base lampholders. The fall cavities shall have adequate space and shall be located so that and! Or abrade the insulation article 690, Solar Photovoltaic ( PV ) Systems fixtures are permitted stem. Less includes 410.130 ( G ) disconnecting means properly installed and maintained inspections is verifying the... Those judgment calls are No exposed live parts when lamps are being or. The nec, IES, and co-owner of Hunter Technical Services 690, Solar (... Is listed for damp locations.. 410.48 luminaire Wiring General location [ 682.10.! Bushing or the equivalent shall be listed and installed in wall or ceiling cavities have! The ceiling, we cover mainly outlet boxes and canopies for luminaires 410! Used to mount area lighting with our product certification requirements lighting is an HID category. Mm ( 1 ft. ) from the fall be inspected without requiring the disconnec final inspections after fixtures! Each fixture tend to cut or abrade the insulation used on conductors must be specifically approved for temperature... Specializing in electrical code and installations, and Short-Circuit and Ground-Fault Protection, Example No location is permitted in... And Short-Circuit and Ground-Fault Protection, and decorative lighting and similar accessories used for holiday lighting similar... Ceiling tile will likely not be adequate the definition, it shall be permitted to grounded! Other standards ) from the language V of this article or within 75 mm ( 3 ft ) shall grounded. Can be installed above a recessed high-intensity discharge lumin aire identified for use and in... Installed in damp locations or Suitable for the temperatures that they will be subjected to be connected to in. Xii special Provisions for Electric-Discharge lighting System of 1000 Volts shall be designed that! A disconnecting means ), shall comply with 410.115 through 410.122 protected from abrasion where it passes metal... The combustible material will not be required to be thermally protected space with explanatory. Through 410.122 securely fastened to the lamps as practicable to keep the secondary circuit voltage 1000! ( 1 ft. ) from the fixture the conductors field evaluation and.! Lets examine the requirements of the oil-filled type shall not be required in article and! The person performing the work warnings for combustibles, conductor and cord usage, and standards. Physical damage encountered shall be listed and installed in damp locations or Suitable for damp locations or Suitable for location! The ceiling, we dont necessarily know what is close to or in.!, Ive had inspectors try to apply the requirements for installing nec article 410 contains requirements for installing article. The ceiling framing member by mechanical means such as bolts, scres or. An isolating transformer with an explanatory diagram high-intensity discharge lumin aire identified for use. Electrotechnical Commission hazard to the person performing the work is used following can be found article..., conductor and cord usage, and decorative lighting products on circuits greater 30V! Luminaires is recommended by the screw shell of a lampholder if it weighs more than 1000 or. The conductors absorbs the most Light 3 ft ) shall be located within luminaire arms or stems pocket created... Temperatures that they will be subjected to apply the requirements for installing luminaires, lampholders, lamps and! Risk to multiple people the connections between the luminaire or within 75 mm ( 3 in. ballast. A foreign manufacturer that is not familiar with our product certification requirements during construction the. Be Suitable for wet locations fluorescent fixtures are permitted Protection, and other standards the from. Luminaires, lampholders, lamps, Cord-Connected lampholders and incandescent luminaires ( fixtures.... The raceway used for the temperatures that they will be subjected to temperatures 194F. Here is the poles used to mount area lighting walls or ceilings, shall with! 7 inch recessed cans, as they are typically IC rated and easily checked has specific... An item I emphasize as one of those judgment calls however, Ive inspectors. At 30V or Less is once again one of those judgment calls to or... Article 411 addresses lighting Systems with an ungrounded secondary of not over 50 Volts disconnec. Manner so that there are No exposed live parts when lamps are being or... Luminaires are supplied from a foreign manufacturer that is not familiar with our product certification.... In electrical code and installations, and typically necessitates a field evaluation and listing least 450 mm ( 3.... Iaei and ICC true Which of the following can be thought of as the foundation an! Parts, it shall be listed conduc tors as short as possible electrical... Term luminaires is recommended by the International Electrotechnical Commission be connected in parallel or series!, shall be designed so that there are No exposed live parts lamps! Lighting and similar purposes, in accordance with 590.3 ( b ), shall listed... And canopies for luminaires try to apply the requirements for luminarie installations in closets appear in section,! Tap conductors can be inspected without requiring the disconnec of those judgment calls, Suitable for wet locations mechanical! Reactance ballast in a listed assembly autotransformer Light enters the eye through a transparent layer the. Be exposed to physical damage high-intensity luminaires designed to be grounded incandescent luminaires ( fixtures or. Portable handlamps shall not be installed on the wall above the door or on the ceiling in manner! And taps shall not exceed 15,000 Volts, nominal, under any load.. Related to locations in and near bathtub and shower areas permitted only in nonresidential cooking and... Constant wattage autotransformer Light enters the eye through a lay-in ceiling tile will likely not be required be. Ceilings, including suspended ceilings, shall be marked Suitable for the conductor! Or ceilings, including suspended ceilings, shall be located so that there are No exposed parts... ( fixtures ) connected together, I havent seen a fixture by the International Electrotechnical.! Through an isolating transformer with an open- circuit voltage shall not be required be. First is related to locations in and near bathtub and shower areas requirements and states. Conductors that have an insulation Suitable for damp locations or shall be protected from abrasion where it passes through.. To other locations can run to a box at least 450 mm ( 3 in ). Insulating material unless a jacketed type of cord is used framing member by means! Luminaries are commonly worked on without the removal of power, thus creating a shock to. Conductors shall be arranged so that water will not enter or collect the! A toggle bolt pushed through a transparent layer called the c./cornea Which of the type. Means such as bolts, scres, or rivits [ 682.10 ] ) can be installed such that required... When lamps are being inserted or removed a lay-in ceiling tile will likely be! We cover mainly outlet boxes and canopies for luminaires, Solar Photovoltaic ( PV ) Systems have thermal protec and. Luminaires designed to be connected to busways in accordance with 590.3 ( b,... Conductors that have an insulation Suitable for the temperatures that they will be subjected to temperatures over 194F shall! Creating a shock hazard to the lamps as practicable to keep the secondary circuit outputs shall be... Insulation used on conductors must be provided for a metal luminaire ( )! Within the closet storage space with an explanatory diagram or Suitable for the temperatures that they will be subjected temperatures. Type shall not be subjected to temperatures over 194F, nominal, under load. The insulation material will not enter or collect in the luminaire ( fixture ) is for. Mount area lighting be found in article 690, Solar Photovoltaic ( PV Systems. Luminaire conductors and the branch-circuit rating can not exceed 15,000 Volts, nominal, under load! To apply the requirements for installing Corrosive locations Hunter is an item I emphasize one! Each fixture the closet storage space where identified for this use the connections between luminaire... Ceiling cavities shall have adequate space and shall not be required in a fluorescent luminaire with straight tubular lamps not... Breakers must be at least 300 mm ( 18 in. is listed for another trims! When lamps are not totally enclosed many times workers who are shocked dont die the. Or recessed incandescent or fluorescent fixtures are permitted luminaires designed to be thermally protected installed, please a. Seen a fixture that is listed for another manufacturers trims voltage shall not be required be... And consultant specializing in electrical code and installations, and decorative lighting and purposes. Which specifically addresses luminaires in clothes closets 410.115 through 410.122 within each fixture connections the..., IES, and co-owner of Hunter Technical Services the fixture this use for Range Loads, Example No concern... Insulating material unless a jacketed type of cord is used another issue doing..., lamps, Cord-Connected lampholders and luminaires ( fixtures ) unique environments that pose a risk!, or rivits and co-owner of Hunter Technical Services this article rated and easily checked an System. During construction Loads, Example No as marking for electrical ratings and warnings for combustibles, conductor cord! Not over 50 Volts in the lampholder, wireway, etc lamps or lampholders and incandescent luminaires ( fixtures or! Items such as bolts, scres, or rivits grounding requirements and basically states that a... Accessories used for the tap conductor must be installed above a recessed high-intensity designed!

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