Start it up how fluorescent lamps work howstuffworks. This could also pose a safety issue due to high voltage. If more than one device is operated with a single key during push operation, asynchronous behaviour can occur, which will require manual resynchronisation. Electromagnetic interference caused by fluorescent. A fluorescent lamp, or fluorescent tube, is a lowpressure mercuryvapor gasdischarge lamp that uses fluorescence to produce visible light. Glass envelope containing inert neon or argon or other gas and internally c. Take the existing shunted lamp holders or tombstones out of the fluorescent lighting fixtures you want to upgrade. Color of the light produced depends on the composition of the phosphors. Fluorescent lamp and working principle of fluorescent lamp. Compared to general service incandescent lamps giving the same amount of visible light, cfls use less power and have a longer rated life. A preheat fluorescent lamp starter automatic starting switch.
A comparative study on design and operation of fluorescent ijera. There three classes of fluorescent lighting systems are. Before the 1960s, fourpin thermal starters and manual switches were used. Animation shows the circuit of the first kind of fluorescent lamp called the preheat. They contain a small amount of mercury and are filled with a small quantity of argon, a combination of argon and neon, or krypton gases. Thus, they run cooler for the same effective light output. Just like languages, some light part numbers can be extremely hard to translate and understand. Since 1990, osram sylvania has joined the lamp industry in reducing mercury content in total u. All are designed and manufactured to the highest possible standards to best suit your lighting application requirements and all are backed by the sylvania brand, an industry leader in lighting solutions for over a century.
The fcc rules and regulations, part 18, subpart c defines the limits for electronic fluorescent lighting ballasts for conducted. An electric current in the gas excites mercury vapor, which produces shortwave ultraviolet light that then causes a phosphor coating on the inside of the lamp to glow. There are three parts in any fluorescent lamp system. This guide covers fluorescent lamps, including compact fluorescent bulbs, ballasts and. Technical details 3 components for fluorescent lamps.
Areas dealt with include1 lighting fundamentals, 2 incandescent lamps, 3 incandescent lamp characteristics, 4 fluorescent lamps, 5 fluorescent lamp circuits, 6. What are the functions of the components in a fluorescent. Home satco is a leading supplier of lighting products, with solutions for nearly every lighting market across the commercial, residential and industrial landscape. Hubbell serves the needs of customers in a variety of market applications. Print and pdf copies are available to the public for purchase. Feb 03, 2014 for the love of physics walter lewin may 16, 2011 duration. The intensity of light produced at the center of a reflector lamp, expressed in candelas. Explore our philips catalog of led lamps, tubes, controls, and electronics. Compact fluorescent lamps cfls come in a variety of sizes and shapes including a twintube integral, b and c tripletube integral, d integral model with casing that reduces glare, e modular circline and ballast, and f modular quadtube and ballast. From electrical contractors to vending machine companies, to original equipment manufacturers, to homeowners, we routinely meet the needs of a broad customer base with our variety of fluorescent light fixture parts, fluorescent light bulb holders, lamps socket replacement parts and fluorescent light socket types. Our focus has been on providing energy efficient and long life t8, t5, and cf lamps, enabling endusers to take advantage of utility rebates to lower the initial costs to install.
Increased safety order using catalog numbering guide below or select catalog number from tables on following pages. Fluorescent continued energy and cost use for more information refer to wattage. You can see how this system works in the diagram below. See how the ballast and starting switch work to strike an arc in the lamp. Fluorescent lamp technology overview osram sylvania. This guide will explain how to convert fluorescent light fixtures to led to optimize energy efficiency. Our focus has been on providing energy efficient and long life t8, t5, and cf lamps, enabling endusers to take advantage of. When one of these components malfunctions, replacement is usually the answer. Pdf fluorescent lamp modelling and electronic ballast design by. We cater to lighting showrooms, lamp stores, antique shops, and funeral homes, as well as the doityourselfer. The classic fluorescent lamp design, which has fallen mostly by the wayside, used a special starter switch mechanism to light up the tube. This action is part of the national electrical manufacturers association nema lamp labeling initiative, the purpose of which is to guide users of lighting productsvia internet or telephoneto appropriate contacts regarding disposal of.
Read on to learn how led retrofitting is a simple diy project. Ballast ignitor or filament starter in the fluorescent tube, it acts as a dual radio type capacitive element, with a different characteristic, than neon. Its inner surface is coated with phosphorous and is filled with an inert gas, generally argon, with a trace of mercury. With over 5,000 different lighting parts in our electronic catalog, you are sure to find the lamp parts you need. Dimming incandescent lamps extends lamp life, so dimming fluorescent lamps. Converting your old fluorescent fixtures to work with led bulbs is a smart choice. Our product catalogs provide specifications on the wide range of sylvania branded offerings. A fluorescent lamp basically consists of a long glass gas discharge tube. Linear fluorescent light bulbs fit into that group of complicated products to read. Woodhead sales industrial duty flourescent hand lamps. Components of the fluorescent lighting system fluorescent lighting systems contain two or three physical components depending on the fixture class. Policy memo about contractors as cogenerators of universal waste lamps pdf 1 pp, 32.
Diffuser clip, compatible with lithonia litepuff lenses. Jul 17, 2017 using the dropin tube for the fluorescent lighting retrofit will leave the old ballast in place. In neon lights, the tubes are bent to form graphics or words. Compact fluorescent bulbs are made of glass tubes filled with gas and a small amount of mercury. The flourescent bulbs and rubber handles offer the most robust and rugged features that provide you with the safety, durability and reliability you expect from a woodhead hand lamp. Fluorescent lamps have applications in most areas of lighting, where they give longer lifetime and lower power consumption for equivalent light output compared. Zone 1 and 2 21 and 22 ii 2 gd ip6667 ik10 atx fe series nonmetallic fluorescent luminaires standard and emergency battery backup. When the lamp first turns on, the path of least resistance is through the bypass circuit, and across the starter switch. Electromagnetic interference caused by fluorescent lighting. The calculational targets of sections iiv are the following.
All installation, inspection, and maintenance should be performed only with the entire circuit. Lighting replacement parts are used to repair or enhance the utility of light fixtures. Compact fluorescent lamps cfl a compact fluorescent lamp cfl, also known as a compact fluorescent light or energy saving light, is a type of fluorescent lamp. Atx fe series nonmetallic fluorescent luminaires standard. Like all fluorescent lamps, cfls contain mercury, which complicates their disposal. Fluorescent lamp technology ledvance offers a wide variety of fluorescent lamps in compact, linear, ubend, and circular types. Anderson was a professor at rensselaer polytechnic institute and employee of general electric with 27 patents 1970 1992 related to lamp technology. A manualreset cutout starter cuts itself out of the circuit if the lamp fails. Dpuff, d15puff2, d2puff2, d15puff, 4 pack category. The most common fluorescent lamp is the hot cathode. A fluorescent lamp is a low weight mercury vapour lamp that uses fluorescence to deliver visible light.
Fluorescent lamps are cylindrical glass tubes that are coated on the inside with phosphors. People were amazed to see their houses and offices lit as brightly as cool daylight. Converting fluorescent lights into led fixtures that are maintenancefree and highly efficient requires an led conversion kit or an led dropin tube. The basic principles of the most commonly used lamp types and. Lamp and ballast catalog osram sylvania see the world in a new light. Fluorescent lamps are about 2 to 4 times as efficient as incandescent lamps at producing light at the wavelengths that are useful to humans. Emi requirements for electronic ballasts electronic devices sold in the united states must comply with the federal communications commission standards. Fluorescent lamps are significantly more efficacious than incandescent lamps. The most pivotal part of a fluorescent fixture is the ballast. A5 introduction compact fluorescent lamp cfl cfls are singleended t4 and t5 lamps that are bent to form a compact shape.
Lithonia lighting, replacement parts, lithonia lighting. Using shunted lamp holders or tombstones when led retrofitting can damage the bulbs or the fixture itself. Lamp holders include incandescent medium base and specialty sizes and fluorescent lamp holders, in addition to a large line of porcelain lamp holders including pulserated mogulbase products and an extensive selection of devices for highintensity lamps. The ballast may be old and of unknown quality which could compromise the performance and life of the new led fixture. For the love of physics walter lewin may 16, 2011 duration.
These lighting parts are used to replace broken parts, protect components and installations against dust and damage, and restore electrical function to a fixture. Reach out to our local contact center for questions or inquiries and find out where to buy lighting products from a nearby distributor or partner. Traditional fluorescent lights have tubes shaped into straight cylinders. Anderson developed many improvements in the fluorescent lamp. But generally, there is a structure that linear fluorescent light bulbs follow. Purchase the correct amount of nonshunted lamp holders before you begin the process of converting fluorescent to led.
Most cfls are designed to replace incandescent lamps and fit into most existing light fixtures. From controlled environments of a data center to the demanding continuity of the power grid. Compact fluorescent lights, cfls, are fluorescent tubes bent in half like a letter u or bent into the shape of incandescent bulbs in a swirl. Screwin cfls have an integral ballast with a screw base for easy replacement of. After 45 years, our commitment continues to be about quality products, quality customer service, competitive prices and speed of delivery. Lithonia lighting c 240 120 mbe 2inko 4foot 2 lamp t12 fluorescent ceiling fixture, 120 volts, 40 watts, damp listed, white.
In the mid1930s when first fluorescent tube lights were introduced in the market, they were a total revelation. All are ul listed and backed by levitons limited warranty. Buy products such as 4 pack circle 23 watt 100 watt cfl cool white light bulb, cfl 4100k, spiral medium base, cfl 100w equivalent light bulbs, ul listed at walmart and save. The bulbs themselves also last a lot longer10,000 to 20,000 hours versus 1,000 hours for a typical incandescent. Sep 11, 2018 there are three parts in any fluorescent lamp system. Compact fluorescent bulbs are made of glass tubes filled with gas. Mar 15, 2020 a fluorescent lamp has changed over electrical energy into useful light energy to a great deal more proficiently than incandescent lamps.
A fluorescent lighting system usually uses more watts than the rated lamp wattage because the ballast also consumes power. This ionised vapour radiates light in the ultra violet part of the spectrum, which is converted to visible light by a fluorescent coating on the inside of the tube. This lamp consists of a glass tube filled with an inert gas usually argon at low pressure. Compact fluorescent lamps 107 fluorescent lamps 129 ballasts and led power supplies 171. An electric current in the gas energizes mercury vapor which delivers ultraviolet radiation through discharge process and the ultraviolet radiation causes the phosphor coating of the lamp inner wall to radiate visible light. The basic principles of the most commonly used lamp types. It doesnt help that each manufacturer speaks a different dialect. Tungsten electrodes or cathode to boil off electrons and low pressure mercury vapor that emits a uv photon when struck by electrons 3.
Fluorescent light fixtures are a mainstay in many homes and businesses. The internal phosphor coating inside the bulb transforms ultraviolet energy created inside the lamp into light. During operation, an electrical current passes through the lamp and the mercury is vaporized, producing ultraviolet light. The purpose of making this conversion is to combat the rising energy and maintenance costs that are taking its toll upon the profits of commercial and industrial businesses. Indoor lighting fixture accessories replacement parts. The normal luminous viability of fluorescent lighting frameworks is 50 to100 lumens per watt, which is a few times the adequacy of incandescent lamps with equivalent light yield. However, nema fluorescent lamp manufacturers recommend that lamps should be operated at full output overnight approximately 12 hours as a part of the commissioning process whenever visual instabilities become apparent or to avoid the situation with. A fluorescent fixture has three main parts the bulb, ballast, and starter. Mercury is an essential component of all fluorescent light bulbs, and.
1159 1132 1301 1078 591 252 60 581 419 737 1606 1124 633 1094 872 1166 950 1064 1551 632 469 998 325 1096 824 1306 509 487 531 1457 583