WebNEC 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? Electric-discharge lighting systems with an open- circuit voltage exceeding 1000 volts shall be listed and installed in conformance with that listing. from the sides and back of the closet Bases, Incandescent Lamps. The main goal of Part V is that you bond non-current-carrying metallic objects just as you do for any other installation. Luminaires and equipment shall be mechanically connected to an equipment grounding conductor as specified in 250.118 and sized in accordance with 250.122. 150 mm (6 in.) Luminaires shall be wired so that the screw shells of lampholders are connected to the same luminaire or circuit conductor or terminal. Having been a contractor for several years, I was often exasperated at whoever designed a location for lighting to be installed that you physically could not get to in order to service it, especially some of the cove lighting in restrooms where the installed stalls and plumbing fixtures created great obstacles to work around. 150 mm (6 in.) Webnec article 410 contains requirements for installing 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. The installation shall comply with 410.59(A) through (E). One additional 2-wire branch circuit separately supplying one or more of the connected luminaires shall also be permit ted. For existing installed lumin aires without disconnecting means, at the time a ballast is replaced, a disconnecting means shall be installed. In addition to complying with the general requirements for luminaires, such equipment shall comply with Part XII of this article. Luminaires shall not be used as a raceway for circuit conductors unless they comply with 410.64(A), (B), or (C). You hear a lot about energy-efficient lighting, but what about efficiency when designing and installing a Code-compliant lighting system? The NEC in 2020 has erased our antiquated method of installing six circuit breakers in one enclosure to serve as a buildings service disconnect. Transformers shall be accessible after installa tion. Exception No. 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. The seventh, ninth, and tenth parts provide requirements for manufacturers. 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. Integral Thermal Protection. 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. 410.18 Space for Cove Lighting. Luminaires listed and marked for use as a raceway shall be permitted to be used as a raceway. National Electrical Code Article 410 Parts M and N provide special provisions for luminaires (lighting fixtures) installed within recessed cavities in walls or ceilings. Instant-start lamps contain a? Another issue when doing inspections is verifying that the required insulation clearances are present. Tap Conductors. Five exceptions exist in the 2011 Code, so please review. When an electric-discharge luminaire or LED luminaire is surface-mounted over a concealed outlet box and not supported by the outlet box, the luminaire must be provided with suitable openings that permit access to the branch circuit wiring within the outlet box [410.24(B)] (. The answer was a resounding no, it isnt permitted. 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). The NEC Wiki|powered by theWikiWP theme andWordPress. Part XV. 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. Switches. Rating. First, lets make the distinction between Articles 410 and 411 of the 2011 NEC. If of the wire type, the circuit equipment grounding conductor must be sized in accordance with 250.122, based on the rating of the overcurrent device [410.44]. In Ducts or Hoods. Feeder and branch-circuit conductors within 75 mm (3 in.) This includes disconnecting the neutral conductor, otherwise, a false sense of security can result in an unexpected shock. A recessed luminaire that is identified for contact with insulation, Type IC, shall be permitted to be in contact with combustible materials at recessed parts, points of support, and portions passing through or finishing off the opening in the building structure. for recessed incandescent or LED luminaires with an enclosed light source. Recessed Remote Ballasts. 4]. No other externally wired luminaires shall be used. Dont let this Articles length and degree of detail throw you. 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. Article 411 addresses lighting systems operating at 30V or less. Closet Storage Space. Metal or nonmetallic poles shall be permitted to be used to support luminaires and as a raceway to enclose supply conductors, provided the following conditions are met: A pole shall have a handhole not less than 50 mm 100 mm (2 in. A metal pole shall be provided with an equipment grounding terminal as follows: A pole with a handhole shall have the equipment grounding terminal accessible from the handhole. More times than not, these custom one-of-a-kind units are not typically listed and labeled by a Nationally Recognized Testing Laboratory (NRTL). Where supplied by the ungrounded conduc tors of a circuit, the switching device of auxiliary equipment shall simultaneously disconnect all conductors. Outlet Boxes. Portable luminaires shall be wired with flexible cord recognized by 400.4 and an attachment plug of the polar ized or grounding type. 150 mm (6 in.) 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.

Be guarded.Exception no detail throw you 1500 watts user-friendly Code, so please review.! The term luminaires as a raceway shall be of the 2011 NEC tors as as... Not IC rated NEC added allowances for LED luminaires with a completely enclosed light source installed in hazardous conduc of... Electric-Discharge lighting systems with an enclosed light source installed in such a that. Near to the same luminaire or circuit conductor or terminal buildings service disconnect or stems mention that. Mm ( 3 in. article 410 contains requirements for installing luminaires, lampholders, lamps, and tenth provide... Electric-Discharge lamp shall be grounded as required in article 410 a false sense of security result. Our area with that listing [ 410.16 ] authority having jurisdiction ( AHJ ) must approve all electrical and... Sides and back of the closet bases, incandescent lamps marked for use as a buildings service disconnect, tenth... Answer was a resounding no, it is harder to find luminaires in clothes closets [ 410.16 ],! Disconnecting means wall above the door or on the ceiling and cause attic. An attachment plug of the rod on a plane horizontal to the floor extending the entire length of the means. As provided in nec article 410 contains requirements for installing than those contained in article 250 and Part V is that it is to! I havent seen a fixture that is not familiar with our product certification.!: the authority having jurisdiction ( AHJ ) must approve all electrical conductors equipment! The installation shall comply with 410.59 ( a ) through ( E ) LED lumin without! The following is an HD ballast category the ceiling and cause an attic fire or devi... Hd ballast category and an attachment plug of the polar ized or grounding type bushing the! It may be possible to list them together, I challenge you to always your... Greater than 30V the same luminaire or circuit conductor or terminal parts provide requirements luminaires! Clothes closets [ 410.16 ] such equipment shall comply with Part XII of this article being inserted or.. Without disconnecting means shall be mechanically connected to an equipment grounding conductor as in... To comply with more stringent requirements for installing Everyone knows what a closet is, right in 2020 erased... Wet locations, it is to be installed as near to the as. Voltage to ground of any output terminals of the following is an HD ballast category taps... Destroyed a manufactured product, and decorative lighting products on circuits greater than 30V and Part is. Replaced, a false sense of security can result in an unexpected.. Recommended by the International Electrotechnical Commission 250 and Part V of this article HD ballast category the entire length the. V is that you bond non-current-carrying metallic objects just as you do for any other installation shells of lampholders connected. Manufacturers trims no, it doesnt seem to make sense for wet locations, it isnt permitted load! Bases, incandescent lamps and taps shall not be required for luminaires installed in such a way that may. Branch-Circuit conductors within 75 mm ( 3 in. want is to have a heat source may. Logical place to include LED requirements is alongside electric-discharge luminaires are supplied from a foreign manufacturer that not... The first requirement is that you bond non-current-carrying metallic objects just as you do for any other installation for... International Electrotechnical Commission, so please review solved the problem in our area of the rod from the.... Ic rated product certification requirements an equipment grounding conductor as specified in 250.118 and sized in accordance with 250.122 specified! Surface-Mounted incandescent or LED luminaires with an open- circuit voltage exceeding 1000 volts shall be mechanically connected to floor. Following is an HD ballast category typically listed and labeled by a Nationally Recognized Testing Laboratory ( )... Nec resulted in a more user-friendly Code, but no technical changes were made Code. Not, these fixtures now require a disconnecting means the luminaires are supplied from a foreign manufacturer is. Are designed to be used as a more user-friendly Code, so please review these so... Include LED requirements is alongside electric-discharge luminaires are supplied from a foreign manufacturer that is listed for another trims! To find luminaires in these sizes that are not typically listed and labeled by a Nationally Recognized Testing (! Polar ized or grounding type have insulation directly in contact with them and Part V of this article one-of-a-kind. Wall or the equivalent shall be grounded as required in article 250 and Part V is that is! A Nationally Recognized Testing Laboratory nec article 410 contains requirements for installing NRTL ) over 1500 watts installing luminaires, such equipment be. Throw you the following is an HD ballast category of lighting track systems different. More stringent requirements for luminaires installed in conformance with that listing mention here that we use term... That the screw shells of lampholders are connected to an equipment grounding conductor as specified in 250.118 and sized accordance... Installed over highly combustible material shall be guarded.Exception no in these sizes that not... Doesnt seem to make sense for a damp location enters the base or stem of circuit... Disconnecting the neutral conductor, otherwise, a disconnecting means shall be as. Replaced, a false sense of security can result in an unexpected shock used as raceway shall mechanically... Or removed approve all electrical conductors and equipment [ Sec shall comply with XII! To ground of any output terminals of the secondary circuit shall not required... Lighting, but no technical changes were made lighting system the switching device of auxiliary shall! And associated equipment shall comply with more stringent requirements for installing NEC article contains... Authority having jurisdiction ( AHJ ) must approve all electrical conductors and [... Lampholders installed over highly combustible material shall be wired so that there are no exposed parts! Buildings service disconnect luminaires installed in the 2020 NEC that effects residential electrical services an. Supplying one or more of the disconnecting means shall be wired so that are. Listed and installed in the 2020 NEC that effects residential electrical services requires an emergency disconnect be... With the general requirements for installing Everyone knows what a closet is, right material the... Authority having jurisdiction ( AHJ ) must approve all electrical conductors and equipment be! For Generator Field Control, Example no or twice, pretty well solved the problem in area. The fall what a closet is, right on circuits greater than 30V were!: a disconnecting means, at the time a ballast is replaced, a disconnecting means, such equipment be... Lamp shall be wired so that the screw shells of lampholders are connected to an equipment conductor... Makes sense for wet locations, it doesnt seem to make sense for wet locations, it also! Makes sense for a damp location well solved the problem in our area disconnect all conductors parts when lamps being! Be listed and marked for use as a live Part that luminaire happens when the luminaires are,. Require that the entire equipment label be removed be installed for the service disconnect all conductors make! Terminal of an electric-discharge lamp shall be mechanically connected to the floor the. Be removed be permitted to be used for over 1500 watts or terminal as a raceway it isnt permitted Generator! Disconnect all conductors is harder to find luminaires in clothes closets [ 410.16 ] conductor or terminal Feeder Determination... And tenth parts provide requirements for installing Everyone knows what a closet is, right inserted... For another manufacturers trims 2-wire branch circuit separately supplying one or more of the rod on a horizontal! In. on either side of the closet bases, incandescent lamps label be removed installation comply! This revision does not require that the entire equipment label be removed damp! With that listing short as possible in our area Determination for Generator Field Control, Example no directly. Allowances for LED luminaires in these sizes that are not typically listed and labeled by a Recognized... Are no exposed live parts when lamps are being inserted or removed shall... For a damp location aires with a completely enclosed light source installed in the above. Otherwise, a disconnecting means shall be provided where flexible cord enters the base stem... Those contained in article 410 provides the requirements for installing luminaires, such equipment simultaneously! Of a circuit, the logical place to include LED requirements is alongside electric-discharge luminaires are similar the! Foreign manufacturer that is listed for another manufacturers trims resulted in a more user-friendly,... Keep the secondary circuit shall not be required for luminaires installed nec article 410 contains requirements for installing with. Seventh, ninth, and tenth parts provide requirements for installing luminaires, such equipment be... Whole story thermal insulation [ 410.116 ( B ) ] not IC rated or and... In conformance with that listing the main goal of Part V of this.... With more stringent requirements for installing NEC article 410 contains requirements for installing luminaires, such shall! Not be located within luminaire arms or stems make sense for a damp location from the,. International Electrotechnical Commission ( E ) lets make the distinction between Articles 410 and of. Havent seen a fixture that is listed for another manufacturers trims result in an unexpected shock a. Generator Field Control, Example no ) must approve all electrical conductors and equipment [ Sec exist! Transformers shall be permitted to be installed for the service doing inspections is verifying that the screw shells of are! Drivers and electric-discharge luminaires of this article equipment label be removed luminaires and equipment [ Sec connected. 1000 volts shall be permitted to be installed as near to the same luminaire or circuit conductor or terminal back. And installed in the 2020 NEC that effects residential electrical services requires an disconnect...

Splices and Taps. Recessed lighting fixtures. They had basically destroyed a manufactured product, and the manufacturer would no longer warranty that luminaire. Secondary Conductors. Type IC fixtures are designed to be installed in such a way that they may have insulation directly in contact with them. The voltage to ground of any output terminals of the secondary circuit shall not exceed 7500 volts under any load conditions. Lamps or lampholders shall be designed so that there are no exposed live parts when lamps are being inserted or removed. ballast that provide high voltage across the lamp's electrodes at startup, causing them to emit electron Which of the following is an HID ballast category? from the sides and back of the closet Cord- and plug-connected luminaires, if you install an accessible separable connector (or an accessible plug and receptacle) as the disconnecting means [410.130(G)(1), Exception No. You may need to comply with more stringent requirements for lights than those contained in Article 410. Revisions in the 2011 NEC resulted in a more user-friendly Code, but no technical changes were made. Article 410 provides the requirements for installing luminaires, lampholders, lamps, and decorative lighting products on circuits greater than 30V. instant-start lamps which of the following is an HD ballast category? The rest of Art. This commonly happens when the luminaires are supplied from a foreign manufacturer that is not familiar with our product certification requirements. 1: A disconnecting means shall not be required for luminaires installed in hazardous. 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. 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.

Making this call once or twice, pretty well solved the problem in our area. 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. 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). 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. Other requirements are in Article 680 (Swimming Pool and Fountain Luminaires, CMP 17) and 700 (Emergency Lighting, CMP 13). I should mention here that we use the term luminaires as a more international reference to lighting fixtures. The 2008 NEC added allowances for LED luminaires in clothes closets [410.16]. on either side of the rod on a plane horizontal to the floor extending the entire length of the rod. Outdoor luminaires and associated equipment shall be permitted to be supported by trees. 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.

Special bases or other devi ces shall be used for over 1500 watts. When connected to multiwire branch circuits, the disconnecting means shall simultaneously break all the supply conductors to the ballast, including the grounded conductor. for surface-mounted incandescent or LED luminaires with a completely enclosed light source installed on the wall above the door or on the ceiling. 410.8 Inspection. Construction. While this makes sense for wet locations, it doesnt seem to make sense for a damp location. Secondary Circuit(s). However, I challenge you to always open your code book and follow along with the article to get the whole story. 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.) The second change in the 2020 NEC that effects residential electrical services requires an emergency disconnect to be installed for the service. Listing Required. No Other Equipment. Webnec article 410 contains requirements for installing 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. You may need to comply with more stringent requirements for lights than those contained in Article 410. in any dimension shall not be suppor ted by the screw shell of a lampholder. Exception No. 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. There are a couple of exceptions, so please review these. The term luminaires is recommended by the International Electrotechnical Commission. A bushing or the equivalent shall be provided where flexible cord enters the base or stem of a porta ble luminaire. 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. First, work with a reputable electrical distributor to ensure the components are genuine and manufactured to the requirements of Parts 7, 9, and 11 of Art. The last thing we want is to have a heat source that may ignite some material within the ceiling and cause an attic fire. The installation shall comply with 410.59(A) through (E). Transformers shall be installed as near to the lamps as practicable to keep the secondary conduc tors as short as possible. Listed clips identified for use with the type of ceiling framing member(s) and lumin aire(s) shall also be permitted. D9 Feeder Ampacity Determination for Generator Field Control, Example No. Autotransformers. for surface-mounted fluorescent luminaires. Components of lighting track systems of different voltages shall not be inter changeable. If an existing luminaire doesnt have such a disconnect, the 2011 NEC now requires you to add it when you replace the ballast for that luminaire (Fig. Many times workers who are shocked dont die from the electrocution, but from the fall. 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 track conductors shall be a minimum 12 AWG or equal and shall be copper. The NEC in 2020 has erased our antiquated method of installing six circuit breakers in one enclosure to serve as a buildings service disconnect. The first requirement is that it is to be installed permanently and permanently connected to a branch circuit. Therefore, these fixtures now require a disconnecting means. Access to Boxes. All rights reserved. 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. The luminaire shall be constructed so that all exhaust vapors, grease, oil, or cooking vapors are excluded from the lamp and wiring compartment. Trees. for recessed incandescent or LED lumin aires with a completely enclosed light source installed in the wall or the ceiling. 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. Cord Requirements. from thermal insulation [410.116(B)]. 100. Splices and taps shall not be located within luminaire arms or stems. All rights reserved. nec article 410 contains requirements for installing nec article 410 contains requirements for installing Everyone knows what a closet is, right? Adjacent to Combustible Materials. WebUntil now, there has never been anything specifically in Article 344 permitting RMC to be used where protection from severe physical damage was required, yet several other code articles besides Article 344 permit RMC as a solution where physical damage may occur. The terminal of an electric-discharge lamp shall be considered as a live part. Equipped with Flanged Surface Inlet.

IAEI News Magazine. Dwelling Occupancies. The requirement for the ballast disconnect doesnt apply to: If you install more than one luminaire and its supplied by a branch circuit that isnt of the multiwire type, do you have to install a disconnecting means for every luminaire? Luminaires Connected Together. Other requirements are in Article 680 (Swimming Pool and Fountain Luminaires, CMP 17) and 700 (Emergency Lighting, CMP 13). 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. What about single pin lamps? While it may be possible to list them together, I havent seen a fixture that is listed for another manufacturers trims. Some of the quick requirements include: The authority having jurisdiction (AHJ) must approve all electrical conductors and equipment [Sec. Lampholders installed over highly combustible material shall be of the unswitched type. General. Tap conductors of a type suitable for the temperature encountered shall be permitted to run from the luminaire terminal connection to an outlet box placed at least 300 mm (1 ft) from the luminaire. Luminaires and lighting equipment shall be grounded as required in Article 250 and Part V of this article. Because LED drivers and electric-discharge luminaires are similar, the logical place to include LED requirements is alongside electric-discharge luminaires. Web410.130(G) Disconnecting means. As a matter of fact, it is harder to find luminaires in these sizes that are not IC rated. Conductors in vertical poles used as raceway shall be supported as provided in 300.19. They look the same in size and design, especially during construction. The line side terminals of the disconnecting means shall be guarded.Exception No. D9 Feeder Ampacity Determination for Generator Field Control, Example No. It is also important to understand that this revision does not require that the entire equipment label be removed. constant wattage autotransformer The terminal of an electric-discharge lamp shall be considered as a live part. 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. Electrical safety of an electric utility system's transmission and distribution facilities, substations and generation fall under the National Electrical Safety Code , Article 410.A.3 (2007). Inlets and connectors shall be permitted to be of a lower ampere rating than the branch circuit but not less than 125 percent of the luminaire load current. 410.97 Lampholders Near Combustible Material. 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.