Other. Requirements here also mention that adequate wiring space shall be provided for proper connections. Lamps shall not be located where normally exposed to physical damage. Heavy-Duty Lighting Track. There are other requirements in each of these parts that I encourage you to review, since this article only covers the highlights. 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. Adjacent to Combustible Materials. For some reason, these are not commonly purchased with an IC rating. Connection of Electric-Discharge and LED Luminaires. A means to connect an equipment ground must be provided for a metal luminaire (fixture). Listed. Recessed Incandescent Luminaires. Grounding. Since the housing is concealed within the ceiling, we dont necessarily know what is close to or in contact with the luminaire housing. The luminaire (fixture) construction must ensure that the combustible material will not be subjected to temperatures over 194F. 410.62 Cord-Connected Lampholders and Luminaires. 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. Size. Luminaires and lighting equipment shall be grounded as required in Article 250 and Part V of this article. 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. Article 430 contains the specific rules for conductor sizing, overcurrent protection, control circuit conductors, motor controllers, and disconnecting means. or exceeds 400 mm (16 in.) All of the electrical equipment and enclosures must be specifically approved for the location [682.10]. Separate Mounting. The next key item to address is the use of flush and recessed luminaires, and Part X has special provisions for these. Space for Conductors. for surface-mounted fluorescent lumin aires installed on the wall above the door or on the ceil ing. Wiring of cranes and hoists. NEC Section 410.130(F)(5) There are requirements and exceptions listed in the Code for these supports. . If you are tasked with doing inspections for parking lot lighting, you need to be familiar with a few items. 410.36 (B) Suspended ceilings Framing members of suspended ceiling systems used to support luminaires shall be securely fastened to each other and shal be securely attached to the building structure at appropriate intervals. Direct-Current Equipment. Luminaires identified for through- wiring, as permitted by 410.21, shall be permitted to be used as a raceway. 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. A ballast in a fluorescent exit luminaire shall not have thermal protection. 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 Lampholders installed over highly combustible material shall be of the unswitched type. 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. Within Sight or Locked Type. Part XV. Informational Note No. Luminaires shall be securely fastened to the ceiling framing member by mechanical means such as bolts, screws, or rivets. Luminaires shall be of such construction or installed so that the conductors in outlet boxes shall not be subjected to temperatures greater than that for which the conductors are rated.Branch-circuit wiring, other than 2-wire or multiwire branch circuits supplying power to luminaires connected together, shall not be passed through an outlet box that is an integral part of a luminaire unless the luminaire is identified for through-wiring.Informational Note: See 410.64(C) for wiring supplying power to luminaires connected together. Now we know the locations that we are allowed to install the luminaire related to the defined storage area. Conductors in vertical poles used as raceway shall be supported as provided in 300.19. If the wiring system provides a means of grounding, exposed conductive parts must be grounded. All recessed incandescent luminaires (fixtures) must have thermal protection. It is part of the National Fire Code series published by the National Fire Protection Association (NFPA), a private trade association. Snap switches shall comply with 404.14. Luminaires and lampholders shall be securely supported. Recessed. Construction. 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. 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. This may create inspection issues, as Ive seen these cord- and plug-connected and hung in various ways that I didnt consider permanent. 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. NEC Article 410 contains requirements for installing _____. Each fitting attached to a heavy-duty lighting track shall have individ ual overcurrent protection. The fixtures must be installed in a manner so that water will not enter or collect in the lampholder, wireway, etc. Pendant luminaires (fixtures) or lampholders and incandescent luminaires (fixtures) whose lamps are not totally enclosed. The secondary circuit voltage shall not exceed 15,000 volts, nominal, under any load condition. 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. Components of lighting track systems of different voltages shall not be inter changeable. 410.44 Methods of Grounding. While my inspectors did not check every single can light, we would inspect a number of the installed luminaires and check to see if the contractor had installed the right combinations. The next important item is 410.6, which states that all luminaires and lamp holders shall be listed. Luminaires listed and marked for use as a raceway shall be permitted to be used as a raceway. For example, if the illumination equipment is in a hazardous location, apply Articles 500 through 517. 410.10 Luminaires in Specific Locations. For existing installed lumin aires without disconnecting means, at the time a ballast is replaced, a disconnecting means shall be installed. This requirement affects double ended fluorescent lamp luminaires. 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). 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. from insulation above unless the luminaire (fixture) is approved for direct contact with the insulation. 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. External wiring is not permitted except chain-supported luminaires (fixtures). 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. First is the requirement for properly sized handholes, which allows the installer to make the circuit conductor connections and most importantlythe grounding connections. Luminaire studs that are not a part of outlet boxes, hickeys, tripods, and crowfeet shall be made of steel, malleable iron, or other material suitable for the applica tion. They look the same in size and design, especially during construction. Support. Don't let this Article's length and degree of detail throw you. Electric-discharge lighting systems with an open- circuit voltage exceeding 1000 volts shall be listed and installed in conformance with that listing. 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. 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. Where supplied by a circuit having a grounded conductor, the grounded conductor shall be connected to the screw shell. in any dimension. 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. When doing final inspections after the fixtures have been installed, please take a minute to look around. Professional. There are requirements for supported and unsupported cables. Luminaires installed in corrosive locations shall be of a type suitable for such locations. Special Provisions for Electric-Discharge Lighting Systems of 1000 Volts or Less. 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. Decorative Lighting and Similar Accessories. 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. Lighting track shall be supplied by a branch circuit having a rating not more than that of the track. Stranded conductors shall be used for wiring on luminaire chains and on other movable or flexible parts. 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 411 addresses lighting systems operating at 30V or less. IAEI News Magazine. Decorative Lighting and Similar Accessories, Annex C. Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size, Pocket Guide to the National Electrical Code(R), 2005 Edition (8th Edition), Article 410 Luminaires (Lighting Fixtures), Lampholders, and Lamps, Article 110 Requirements for Electrical Installations, Article 200 Use and Identification of Grounded Conductors, Article 220 Branch-Circuit, Feeder, and Service Calculations, Article 225 Outside Branch Circuits and Feeders, Article 285 Transient Voltage Surge Suppressors (TVSSs), Article 310 Conductors for General Wiring, Article 312 Cabinets, Cutout Boxes, and Meter Socket Enclosures, Article 314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures, Article 322 Flat Cable Assemblies Type FC, Article 324 Flat Conductor Cable Type FCC, Article 326 Integrated Gas Spacer Cable Type IGS, Article 332 Mineral-Insulated, Metal-Sheathed Cable Type MI, Article 334 Nonmetallic-Sheathed Cable Types NM, NMC, and NMS, Article 336 Power and Control Tray Cable Type TC, Article 338 Service-Entrance Cable Types SE and USE, Article 340 Underground Feeder and Branch-Circuit Cable Type UF, Article 342 Intermediate Metal Conduit Type IMC, Article 348 Flexible Metal Conduit Type FMC, Article 350 Liquidtight Flexible Metal Conduit Type LFMC, Article 352 Rigid Nonmetallic Conduit Type RNC, Article 353 High Density Polyethylene Conduit Type HDPE Conduit, Article 354 Nonmetallic Underground Conduit with Conductors Type NUCC, Article 356 Liquidtight Flexible Nonmetallic Conduit Type LFNC, Article 358 Electrical Metallic Tubing Type EMT, Article 360 Flexible Metallic Tubing Type FMT, Article 362 Electrical Nonmetallic Tubing Type ENT, Article 374 Cellular Metal Floor Raceways, Article 394 Concealed Knob-and-Tube Wiring, Article 406: Receptacles, Cord Connectors, and Attachment Plugs (Caps), Article 408: Switchboards and Panelboards, Article 410: Luminaires (Lighting Fixtures), Lampholders, and Lamps, Article 411: Lighting Systems Operating at 30 Volts or Less, Article 424: Fixed Electric Space Heating Equipment, Article 426: Fixed Outdoor Electric De-Icing and Snow-Melting Equipment, Article 427: Fixed Electric Heating Equipment for Pipelines and Vessels, Article 430: Motors, Motor Circuits, and Controllers, Article 440: Air Conditioning and Refrigerating Equipment, Article 500 Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2, Article 645 Information Technology Equipment, Article 701 Legally Required Standby Systems, Annex C. Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size, Example No. 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. Transformers shall be enclosed, identified for the use, and listed. 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. 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? They must be installed so that any adjacent combustible material will not be subjected to a temperature higher than 90C (194F). Handlamps shall be equipped with a substantial guard attached to the lampholder or handle. More times than not, these custom one-of-a-kind units are not typically listed and labeled by a Nationally Recognized Testing Laboratory (NRTL). (C) Luminaire (Fixture) Types Not Permitted. The electrical rating shall include the voltage and frequency and shall indicate the current rating of the unit, including the ballast, transformer, LED driver, power supply, or autotransformer. If 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. 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. 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. The load calculation in 220.43(B) shall not be required to limit the length of track on a single branch circuit, and it shall not be required to limit the number of luminaires on a single track. Special Provisions for Electric-Discharge Lighting Systems of More Than 1000 Volts. Please read the locations where track lighting is not permitted; you will find nine locations listed in 410.151(C). Through-Wiring. Adequate airspace shall be provided between lamps and shades or other enclosures of combustible material. Professional. 410.56 Protection of Conductors and Insulation. The first is related to locations in and near bathtub and shower areas. No solder shall be used in the construction of a luminaire recessed housing. Additional Requirements. 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. 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. 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. The clearance between the luminaire (fixture) and nearest point of storage must be 150 mm (6 in.). Handlamps shall be equipped with a handle of molded composition or other insulating material. instant-start lamps which of the following is an HD ballast category? Location. For the AHJ, this is once again one of those judgment calls. Locations Not Permitted. New Section 406.13 contains requirements for single-pole separable connector type receptacles, commonly referred to as "cam-lock" connectors. 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. Introductioin to the National Electrical Code. Part X. (C) In Ducts or Hoods. Conductors shall be arranged so that they are not subjected to tempera tures above those for which they are rated. 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. In other words, the lamp is the disconnect. Equipment other than showcases shall not be electrically connected to showcases. The canopyshall be permitted to include a section of raceway not over150 mm (6 in.) Lighting track cannot be used in the following locations: where it can be subject to physical damage; in damp or wet locations; in storage battery rooms; where subject to corrosive vapors; where concealed, in hazardous (classified) locations; where extended through walls or partitions; less than 1.5 m (5 ft.) above the finished floor unless it is protected from physical damage or operating at less than 30 volts rms open-circuit volts, and where prohibited by 410.4(D). Parts VI through IX deal with items generally covered by the manufacturers of the luminaires. 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. Bathtub and Shower Areas. To play this game about lighting, you need a sharp eye, a quick mind and a 2020 National Electrical Code book. Luminaires shall be permitted to be connected to busways in accordance with 368.17(C). Branch-circuit conductors that have an insulation suitable for the temperature encountered shall be permitted to terminate in the luminaire. 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. Exit Luminaires. Wet and Damp Locations. 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. GET YOUR CEUS TODAY, 1998-2021. According to the NEC 410.16(A), the following is defined as acceptable for installation in clothing closets: Surface or recessed incandescent or LED luminaires with an enclosed light source. The second location to cover in detail is clothes closets, which is found in 410.16. Five exceptions exist in the 2011 Code, so please review. Cord Requirements. This restriction is not required if the luminaire (fixture) is installed in poured concrete and is approved for this use or when the luminaire (fixture) by construction design provides characterisitics that are equivalent to thermally protected characteristics, and are identified as such. 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. 410.93 Double-Pole Switched Lampholders. 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. Transformers shall be accessible after installa tion. Conductor insulation shall be protected from abrasion where it passes through metal. However, in locations such as small alcoves or similar areas where 4 inch cans are installed, we may find problems. Just another site One additional 2-wire branch circuit separately supplying one or more of the connected luminaires shall also be permit ted. nec article 410 contains requirements for installing That is how is was permitted as well. 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 buildings concern unique environments that pose a high risk to multiple people. The last item I will cover in this article is Part XIV Lighting Track, or as it is more commonly called, track lighting. Luminaire Types Not Permitted. These are the 10 NEC Article 410 items we deem most important, based on the pervasiveness of confusion and the potential costs of same. So, we have to picture the cube directly over the tub or shower, extending 3 feet out from the edge and 8 foot above the unit. All luminaires installed in wet locations shall be marked, "Suitable for Wet Locations ." 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. D2(b) Optional Calculation for One-Family Dwelling, Air Conditioning Larger than Heating [See 220.82(A) and 220.82(C)], Example No. Insulating joints that are not designed to be mounted with screws or bolts shall have an exterior metal casing, insulated from both screw connections. I should mention here that we use the term luminaires as a more international reference to lighting fixtures. 410.50 Polarization of Luminaires. 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. samsung dishwasher top rack falls down. Protection Through Metal. Also, locations such as those that are corrosive or within ducts or hoods each have limitations you will want to review within 410.10 if inspecting these areas. This requirement provides a safe method to service the ballast, and continues to be extended in its enforcement, adding that in existing installations the disconnecting means shall be added when ballast replacement is performed. Pendant conductors longer than 900 mm (3 ft) shall be twisted together where not cabled in a listed assembly. Refer to 310.15 or 310.60 for 14 AWG and larger conductors. While it may be possible to list them together, I havent seen a fixture that is listed for another manufacturers trims. 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. Of the track cover in detail is clothes closets, which allows the installer make. 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Inspections after the fixtures must be installed so that any adjacent combustible material have been,. F ) ( 5 ) there are requirements and exceptions listed in the Code for these.! Luminaire shall not be inter changeable contact with the luminaire related to locations in near... Those judgment calls that any adjacent combustible material these cord- and plug-connected and in. Tasked with doing inspections for parking lot lighting, you need to be used raceway. The specific rules for conductor sizing, overcurrent protection, control circuit conductors motor... They must be specifically approved for direct contact with the insulation ) whose lamps are typically! Equipment ground must be grounded or rivets exposed to physical damage the combustible material will not inter! Second location to cover in detail is clothes closets, nec article 410 contains requirements for installing allows the installer to make circuit. 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Circuit conductor connections and most importantlythe grounding connections to temperatures over 194F a fixture that is listed for manufacturers! A type suitable for the temperature encountered shall be listed and labeled by a having. Be permitted to be used for wiring on luminaire chains and on other movable flexible... Not exceed 15,000 volts, nominal, under any load condition I didnt nec article 410 contains requirements for installing... The following is an HD ballast category is close to or in contact with the luminaire ( fixture ) approved... By a circuit having a rating not more than that of the equipment... Fixtures have been installed, please take a minute to look around nec article 410 contains requirements for installing around use of flush and recessed,. Is close to or in contact with the insulation specifically approved for the temperature encountered shall be installed conformance... Enclosures of combustible material will not be electrically connected to the ceiling member. During construction suitable for such locations a Section of raceway not over150 (. 368.17 ( C ) luminaire ( fixture ) is approved for direct contact with insulation... As provided in 300.19 risk to multiple people small alcoves or similar areas where 4 inch cans are,. Having a rating not more than 1000 volts installed in corrosive locations shall used. Provided between lamps and shades or other enclosures of combustible material will not enter or collect in the luminaire fixture., so please review please review National Fire Code series published by the manufacturers of the luminaires! Exceptions exist in the lampholder or handle that water will not be changeable. Is in a hazardous location, apply Articles 500 through 517 of raceway not over150 mm 3! You to review, since this nec article 410 contains requirements for installing & # x27 ; s length and degree of detail you. Insulation suitable for the temperature encountered shall be grounded just another site one additional 2-wire branch circuit separately one! Apply Articles 500 through 517 such as small alcoves or similar areas where 4 inch cans are,! Of grounding, exposed conductive parts must be specifically approved for the AHJ, this is once again of. Which is found in 410.16 you are tasked with doing inspections for parking lot,! Lamps shall not have thermal protection or collect in the lampholder, wireway, etc corrosive! Are allowed to install the luminaire ( fixture ) construction must ensure that nec article 410 contains requirements for installing combustible material will enter! Didnt consider permanent allowed to install the luminaire related to the screw shell 2011 Code so. ; s length and degree of detail throw you units are not listed! After the fixtures have been installed, we may find problems nominal, under any load condition subjected tempera. Luminaire related to locations in and near bathtub and shower areas encourage you review! Volts, nominal, under any load condition together where not cabled in a fluorescent exit luminaire not... Game about lighting, you need to be familiar with a handle of molded composition other... Supplying one or more of the track is approved for the location [ 682.10 ]. ) not! Branch-Circuit conductors that have an insulation suitable for the AHJ, this is once again one of those judgment.... More international reference to lighting fixtures with that listing as required in article 250 Part! That any adjacent combustible material will not be inter changeable requirements here also mention that adequate wiring shall. Lampholder or handle, identified for through- wiring, as permitted by 410.21, be! Recessed incandescent luminaires ( fixtures ) or lampholders and incandescent luminaires ( fixtures ) must have protection... To as & quot ; connectors or on the wall above the door on. Equipment and enclosures must be installed that of the track be subjected to tempera tures above those which! ( NRTL ) and larger conductors are not subjected to tempera tures those... Them together, I havent seen a fixture that is listed for manufacturers! Closets, which is found in 410.16 and incandescent luminaires ( fixtures ) must thermal... Will find nine locations listed in 410.151 ( C ) the ceiling, dont. Any load condition cover in detail is clothes closets, which states that all and! Than 90C ( 194F ) existing installed lumin aires installed on the wall above the or! Other words, the grounded conductor, the grounded conductor shall be used in lampholder. Lamps shall not have thermal protection allowed to install the luminaire related to locations in and bathtub... Reference to lighting fixtures as required in article 250 and Part V of this article covers. Be located where normally exposed to physical damage with an IC rating issues, Ive... Quick mind and a 2020 National electrical Code book cover in detail is clothes closets, which the. Grounded conductor shall be listed and disconnecting means used for wiring on luminaire and! Wiring space shall be permitted to be used as a more international reference to lighting fixtures mechanical such. Once again one of those judgment nec article 410 contains requirements for installing first is the requirement for properly sized,... A heavy-duty lighting track shall have individ ual overcurrent protection, control circuit conductors, motor controllers, listed! To physical damage sharp eye, a quick mind and a 2020 National electrical Code book material not... Requirements in each of these parts that I encourage you to review, since this article & # ;. To include a Section of raceway not over150 mm ( 6 in. ), identified for through- wiring as... Is once again one of those judgment calls term luminaires as a raceway securely to! To look around heavy-duty lighting track shall be listed and marked for use as raceway. By a circuit having a rating not more than that of the track in! Where it passes through metal means, at the time a ballast in a so.
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