410.64 Luminaires as Raceways. Heavy-duty lighting track is lighting track identified for use exceeding 20 amperes. Where these are of the recessed type, they must be marked as Type IC, or must have a clearance of 3 in. Disconnection. The ballast of a fluorescent luminaire installed indoors shall have integral thermal protec tion. Support. Luminaires must maintain a minimum clearance from the closet storage space as follows [410.16(C)]: Surface-mounted fluorescent or LED luminaires are permitted within the closet storage space if identified for this use. Luminaires shall be constructed such that adjacent combustible material is not subject to tempera tures in excess of 90C (194F). Listed. 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. Support. 1: A disconnecting means shall not be required for luminaires installed in hazardous. 410.90 Screw Shell Type. A simple reactance ballast in a fluorescent luminaire with straight tubular lamps shall not be required to be thermally protected.

Recessed lighting fixtures. Luminaires must be connected to an equipment grounding conductor of a type recognized in 250.118. 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. Portable Handlamps. The disconnecting means must be accessible to qualified persons. Lampholders Near Combustible Material. Access to Boxes. Electric-discharge luminaires can be cord-connected if the cord is visible for its entire length and is plugged into a receptacle and the installation complies with 410.62(C). WebSpecial Provisions for Electric-Discharge Lighting Systems of 1000 Volts or Less, Equipment Not Integral with Luminaire (Fixture), XIV. on either side of the rod on a plane horizontal to the floor extending the entire length of the rod. The second change in the 2020 NEC that effects residential electrical services requires an emergency disconnect to be installed for the service. WebNEC Article 410 contains requirements for installing? You may need to comply with more stringent requirements for lights than those contained in Article 410. This change happened several code cycles ago, and at the time it caused confusion for those in the electrical industry. Components of lighting track systems of different voltages shall not be inter changeable. 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. Conductor insulation shall be protected from abrasion where it passes through metal. Rating. Several codes regulate the use of artificial lighting. Part VIII provides requirements for installing lampholders. The design of the single-end luminaires is such that the non-spring tombstone (where the pin inserts into the lamp holder) has two contacts; one is the line voltage and the other is connected to the ballast. for recessed fluorescent luminaires instal led in the wall or the ceiling. 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. One note Id like to add regarding these inspections. Another requirement is that track fittings are not to be equipped with general purpose receptacles, which would make them more like a branch circuit. instant-start lamps which of the following is an HD ballast category? The details are found in 410.10(D), where we describe a zone in which no luminaire may be installed. 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. Web410.130(G) Disconnecting means. First, lets make the distinction between Articles 410 and 411 of the 2011 NEC. | RSS, Annex J ADA Standards for Accessible Design, Annex I Recommended Tightening Torque Tables from UL Standard 486A-B, Informative Annex G Supervisory Control and Data Acquisition (SCADA), Annex F Availability and Reliability for Critical Operations Power Systems; and Development and Implementation of Functional Performance Tests (FPTs) for Critical Operations Power Systems, Informative Annex B Application Information for Ampacity Calculation. Conductors shall be arranged so that they are not subjected to tempera tures above those for which they are rated. 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). 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. The bushing shall be of insulating material unless a jacketed type of cord is used. Electric-Discharge Lamp Auxiliary Equipment. Pendant conductors longer than 900 mm (3 ft) shall be twisted together where not cabled in a listed assembly. 410 addresses specific types of lighting. Type IC.

The first definition found in 410.2 is for closet storage space. Remember that this is a minimum requirement, and the weight of some of the track luminaires with fluorescent (ballast) or LED drivers may be quite heavy. Luminaires shall be wired so that the screw shells of lampholders are connected to the same luminaire or circuit conductor or terminal. This term is not to be confused with luminary, which is defined as an important person. 410.97 Lampholders Near Combustible Material. Informational Note: See Article 100 for the definition ofMulti wire Branch Circuit. Web410.130(G) Disconnecting means. Where used with Edison-base lamp holders, the grounded conductor shall be identified and. Separate Mounting. Holt is the owner of Mike Holt Enterprises, Inc., Leesburg, Fla. 1: Luminaires made of insulating material that is directly wired or attached to outlets supplied by a wiring method that does not provide a ready means for grounding attachment to an equip ment grounding conductor shall be made of insulating material and shall have no exposed conductive parts. No Other Equipment. D9 Feeder Ampacity Determination for Generator Field Control, Example No. General. The installation shall comply with 410.59(A) through (E). Parts that must be removed for lamp replacement shall be hinged or held captive. The luminaires shall be marked for dc operation. This was confusing. nec article 410 contains requirements for installing nec article 410 contains requirements for installing 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. Locations Not Permitted. However, the only requirements for luminarie installations in closets appear in section 410.16, which specifically addresses luminaires in clothes closets. 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. Additional Requirements. Exception No. 2:Replacement luminaires can be installed in an outlet box that doesnt contain an equipment grounding conductor if the luminaire is connected to one of the following: Exception No. Branch-circuit conductors that have an insulation suitable for the temperature encountered shall be permitted to terminate in the luminaire. 410.56 Protection of Conductors and Insulation. Where they are not internal, they shall be a single device and attached to the luminaire or within sight. A bushing or the equivalent shall be provided where flexible cord enters the base or stem of a porta ble luminaire. Five exceptions exist in the 2011 Code, so please review. Some of the quick requirements include: The authority having jurisdiction (AHJ) must approve all electrical conductors and equipment [Sec. The connected load on lighting track shall not exceed the rating of the track. Suspended Ceilings. The installation shall comply with 410.59(A) through (E). Type IC fixtures are designed to be installed in such a way that they may have insulation directly in contact with them. For existing installed lumin aires without disconnecting means, at the time a ballast is replaced, a disconnecting means shall be installed. Where LED luminaires are supplied via a cord-and-plug connection, they must now comply with the provisions of 410.62(C). Bundling multiple service disconnect switches inside one enclosure makes it impossible to comply with NFPA 70E Standards for Electrical Safety in the Workplace when it comes to safe The reason for the no-luminaire zone is pretty obvious, we dont want them to be within reach of an occupant of the tub or shower during use. of a ballast, LED driver, power supply, or transformer shall have an insulation temperature rating not lower than 90C (194F), unless supplying a luminaire marked as suitable for a different insulation temperature. for surface-mounted fluorescent luminaires. The 2011 Code changed the requirements for boxes and wiring methods for electric-discharge luminaires to include LED luminaires. 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)] (. All rights reserved. Making this call once or twice, pretty well solved the problem in our area. Exposure to Damage. This is usually not an issue on 6 or 7 inch recessed cans, as they are typically IC rated and easily checked. 410.68 Feeder and Branch-Circuit Conductors and Ballasts. If you see some round insulation pieces with foil on one side laying on the ground in rooms that have surface-mounted fixtures, have the electrician drop the fixture and see if the remnants of some insulation are still glued to the top of the fixture. Live Parts. Electric-discharge and LED luminaires supported independently of the outlet box must be connected to the branch circuit with a raceway or with Types MC, AC, or NM cable [410.24(A)]. Feeder and branch-circuit conductors within 75 mm (3 in.) The answer was a resounding no, it isnt permitted. Unless identified for supports at greater intervals, a single section 1.2 m (4 ft) or shorter in length shall have two supports, and, where installed in a continuous row, each individual section of not more than. Part X. 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). Equipment other than showcases shall not be electrically connected to showcases. Listing Required. WebThe NEC specifies a few requirements for outlet boxes, inspection, suspended ceilings, luminaire (fixture) studs, insulating joints, raceway fittings, busways, and trees. In the 2020 NEC, a new part XVI was added to Article 410 to address the special considerations related to horticultural lighting and related equipment. tion of any part of the wiring unless the luminaires are connec ted by attachment plugs and receptacles. While it may be possible to list them together, I havent seen a fixture that is listed for another manufacturers trims. The rest of Art. 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 reason? Flexible cord shall be of the hard- service type, having conductors not smaller than the branch- circuit conductors, having ampacity at least equal to the branch-circuit overcurrent device, and having an equipment grounding conductor.Informational Note: See Table 250.122 for size of equipment grounding conductor. Adjacent to Combustible Materials. Now 410.64 clearly states the conditions under which conductors can be pulled through luminaires: Previous editions of the Code specified that lampholders in damp or wet locations must be of the weatherproof variety. Each fitting attached to a heavy-duty lighting track shall have individ ual overcurrent protection. Not if you provide a means of disconnecting such that the illuminated area will not be left in total darkness [410.130(G)(1) Ex 5]. for surface-mounted incandescent or LED luminaires with a completely enclosed light source installed on the wall above the door or on the ceiling. Thermal Protection Fluorescent Luminaires. Lampholders of the screw shell type shall be of porcelain or other suitable insulating materials. Electric-discharge luminaires equipped with a flanged surface inlet shall be permitted to be supplied by cord pendants equipped with cord connectors. 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. Metallic guards shall be grounded by means of an equip ment grounding conductor run with circuit conductors within the power-supply cord. However, its wording inadvertently required special identification for the application of an LED luminaire in a closet. There are other requirements in each of these parts that I encourage you to review, since this article only covers the highlights. Twisted or Cabled. Only the following types of luminaires are permitted to be installed in a clothes closet [410.16(A)]: Incandescent luminaires with open or partially open lamps and pendant-type luminaires must not be installed in a clothes closet [410.16(B)]. Items such as marking for electrical ratings and warnings for combustibles, conductor and cord usage, and connections are covered. Lampholders installed over highly combustible material shall be of the unswitched type. The terminal of an electric-discharge lamp shall be considered as a live part.