Northwestern Lighting Elgin, IL

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Aircraft/Airstrip Lighting | ANSI (B) Coded Bulbs | ANSI (C) Coded Bulbs | ANSI (D) Coded Bulbs | ANSI (E) Coded Bulbs | ANSI (F) Coded Bulbs | ANSI (G) Coded Bulbs | Ballast,Compact Fluorescent | Ballast,Electronic | Ballast,High Pressure Sodium | Ballast,Low Pressure Sodium | Ballast,Mercury Vapor | Ballast,Metal Halide | Ballast,Fluorescent Magnetic | Ballast,Fluorescent Sign | Ballast,Wire Nuts,Connectors | Ballast,Capacitors | Starters/Sockets | Batteries | Energy Star Compact Fluorescent | Energy Star Outdoor Fixtures | Compact Fluorescent,2D Style | Compact Fluorescent,Single Tube 2Pn | Compact Fluorescent,Single Tube 4Pn | Compact Fluorescent,Double Twin Tube 2Pn | Compact Fluorescent,Double Twin Tube 4Pn | Compact Fluorescent,Triple Tube/Inverted | Compact Fluorescent,Triple Twin Tube 2Pn | Compact Fluorescent,Triple Twin Tube 4Pn | Compact Fluorescent,Four Tube 4 Pins | Compact Fluorescent,PL-H High Wattage | Compact Fluorescent,FUL 4 Pin U | Compact Fluorescent,PLC15mm/FDL | Compact Fluorescent,4 Finger GX10Q-4(6) Base | Compact Fluorescent,GU10 Push-Twist Base | Compact Fluorescent,Spiral Tube GU24 Base | Compact Fluorescent,Spiral Tube 4-pin Base | Compact Fluorescent,Shatterproof Plugin Base | Compact Fluorescent,MR16 Style 12 Volt | Compact Fluorescent,Medium Base 2W - 13W | Compact Fluorescent,Medium Base 14W - 26W | Compact Fluorescent,Medium Base 27W - 40W | Compact Fluorescent,Medium/Mogul 41W-200W | Compact Fluorescent,Candelabra Screw Base | Compact Fluorescent,Order Eating Lamps | Compact Fluorescent,A Style | Compact Fluorescent,Micro-Brite Cold Cathode | Compact Fluorescent,Dimmable | Compact Fluorescent,3-way | Compact Fluorescent,Colored | Compact Fluorescent,R20 Style | Compact Fluorescent,R30 Style | Compact Fluorescent,R40 Style | Compact Fluorescent,Globe Style | Compact Fluorescent,Par20 Style | Compact Fluorescent,Par30 Style | Compact Fluorescent,Par38 Style | Compact Fluorescent,BR38 Style | Compact Fluorescent,Energy Star | Compact Fluorescent,Bullet Style Tubular | Compact Fluorescent,12, 240 and 277 Volt | Compact Fluorescent,Built in Photocell | Compact Fluorescent,Mercury Vapor Retrofit | Compact Fluorescent,Top Spiral E26 | Compact Fluorescent,Dark Sky Lamps | Compact Fluorescent,Shatterproff Retrofits | Compact Fluorescent,CFL Accessories | Compact Fluorescent,Lights Of America Products | Fluorescent,Black Light (blue) | Fluorescent,Coated/Shielded | Fluorescent,T12 Linear 48 | Fluorescent,T12 Linear 49-95 | Fluorescent,T12 Linear Over 96 | Fluorescent,T12 Linear Under 47 | Fluorescent,T12 T8 HO Over 49 | Fluorescent,T12 T8 HO Under 48 | Fluorescent,T-4 Linear | Fluorescent,T-5 Linear | Fluorescent,T-6 Slimline Linear | Fluorescent,T-8 Linear Over 48 | Fluorescent,T-8 Linear Under 47 | Fluorescent,PG17 T17 | Fluorescent,U-Bend | Fluorescent,Circline | Fluorescent,IceTron Specialty | Fixture,Exit Signs | Fixture,Emergency Lighting/Combos | Fixture,Emergency Ballast | Fixture,Exit Emergency Retro-fit Lamps | Fixture,Halogen | Fixture,Incandescent | Germicidal Lamps | Graphic Art,Exposure | Graphic Art,UV Lamps | HBO Mercury Burner | Halogen Single Ended | Halogen Ball Lites | Halogen, AR Reflector | Halogen JC Style | Halogen Linear T3 | Halogen MR11 Style | Halogen MR16 Style | Halogen MR-8 Style | Halogen, GU10 R111 | Halogen Medium Screw Base | Halogen Transformers | Krypton Gas Bulbs | Incandescent,A19 130v | Incandescent,Standard A | Incandescent,20,000 Hour | Incandescent,3 Way | Incandescent,Traffic Signal | Incandescent,Rough Service | Incandescent,TuffSkin | Incandescent,Colored A | Incandescent,Full Spectrum | Incandescent,A15 Appliance | Incandescent,PS Long Neck | Incandescent,BR Reflector | Incandescent,ER Reflector | Incandescent,'R' Reflectors | Incandescent,Heat Lamps | Incandescent,S Style | Incandescent,Decorative Bulbs | Incandescent,Globe Shaped Bulbs | Incandescent,Silver Bowl | Incandescent,Tubular Bulbs | Incandescent,Par14 | Incandescent,Par16 | Incandescent,Par20 | Incandescent,Par30 Long Neck | Incandescent,Par30 Short Neck | Incandescent,Par36 | Incandescent,Par38 Medium Base | Incandescent,Par38 Side Prong | Incandescent,Par38 Twist-Lock | Incandescent,Par46 Screw Term. | Incandescent,Par46 Side Prong | Incandescent,Par-56 7in. | Incandescent,Par-64 8in. | Incandescent,Indicator/Pilot Lamps | Incandescent,Christmas/Nite Lite | Incandescent,Hi/Low Volt Bulbs | Incandescent,by Amps/Ampre | Lumiline & Linestra Bulbs | Krypton Gas Bulbs | LCD Projector Lamps | LED,Screw In and Plug In | LED,Indicator Lamps | LED,Fixtures/Kits/Accessories | Lights of America Product | Linestra bulbs s14s | Metal Halide,ED17 Medium Base | Metal Halide,ED17 Protected Medium Base | Metal Halide,ED/BT28 E39 Base | Metal Halide,ED/BT28 Protected EX39 Base | Metal Halide,ED/BT37 E39 Base | Metal Halide,ED/BT37 Protected EX39 Base | Metal Halide,BT56 E39 Base | Metal Halide,BT56 Protected EX39 Base | Metal Halide,ED/ET18/T15 Mogul Base | Metal Halide,T25 Tubular Mogul Base | Metal Halide,Par20 Type Medium Base | Metal Halide,Par30LN Type Medium Base | Metal Halide,Par36 Medium Base | Metal Halide,Par38 Type Medium Base | Metal Halide,R40 Reflector | Metal Halide,Par64 G38 Base | Metal Halide,Self Ballasted | Metal Halide,R30 W/Connector | Metal Halide,Shatterproof | Metal Halide,Double Ended | Metal Halide,Single Ended | Metal Halide,Tubular G8.5 Base | Metal Halide,Tubular G12 Base | Metal Halide,Tubular G22 Base | Metal Halide,Self Extinguishing | Metal Halide,Retrofit for HPS ballast | Metal Halide,Aquarium Lamps | Metal Halide,-Specialty Lamps | Metal Halide,XMH Xenon MH | MSI Lamps | Tools,Changing Poles | Tools,Lighting | Socket/Starters Fluorescent | Socket,Medium Bi-pin Fluorescent | Socket,Miniature Bi-pin Fluorescent | Socket,Plastic Clip Holders Fluorescent | Socket,High Output Recessed Fluorescent | Socket,Slimline Single Pin Fluorescent | Socket,Medium Base Edison | Socket,Mogul Base | Socket,Halogen | Socket,Miscellaneous | Sodium,High Pressure | Sodium,Low Pressure | Medical,Microscope | Medical,Dental Bulbs | Medical,HBO Mercury Arc | Medical,Xenon-Short Arc Lamp | Mercury Vapor | Mercury Vapor,Self Ballasted | Miniature Bulbs Letters A-Z | Miniature Bulbs Numbers 0001-1000 | Miniature Bulbs Numbers 1001-2500 | Miniature Bulbs Numbers 2501-7000 | Miniature Bulbs Numbers 7001-70000 | CM-8 Series Replacement | Indicator Assemblies, Lens and Parts | Photo and ANSI | Photo/Graphic Art | Photocells/Sensors | Promolux/LowUv Lamps | Spectral Lamps Osram | Tube Guards/Gel/Lens | Xenon Bulbs | Xenon Rigid Loop | Xenon-Short Arc Lamp |

Archive of older catalog pages
Atype 3Way Globe Ttype Stype 20khr Xmas PS Volt Aircft Amp RS SB Xenon Krptn HgnBal T12bal CFbal Signbal Elebal Conn LPS MERC HPS Caps MH Batts Batts Poles Dectv Europe 3Tcf TTTcf 4pcf plc15 1Tcf 1T4pcf 3ttcf 2tt2p 2tt4p LOA FUL CFe26 2D CFe12 Exit Graphic WAC FixCF FixBL FixCtk FixIn FixFL Pcell FixHal FixMH FixHS AR Heat BR ER R Par16 Par20 Par30 Par30ln Par36 Par38sp Par38 Par46 Par56 Par64 Par46 SB250 Par14 T12 PG17 BLB T12.2 T6 LoUV T4 T5 Ubnd T8.1 T8.2 T12.3 T12.4 T3 JC T12.5 T12.6 T4 HPS HalMed Ball MR16 MR16b MR11 MR8 Pilot Color A15 Traffic Linst HidTuf InTuf 130v Chrom Misc Disc LPS Germ Med Medb MHspe Retro MHDE MHSE MH MP XBO HBO SLO Calib MV MVSB Mina Minb Minc RL Dental LCD ANSIa ANSIb ANSIc ANSId ANSIe ANSIf ANSIh Photo Chem Promo Shatter Icetron Sockets Guards ArtUV G.Art Spec Spec.b

SCIENTIFIC, MEDICAL AND DENTAL BULBS

HBO Microscope Bulbs This bulb group includes high intensity mercury short arc photo optic lamps, including numbers Osram hbo50W/L2, Osram hbo100w/2, Osram hbo103w/2, Osram hbo200w/2tm L1, Ushio ush-102dh.

XBO Xenon Short Arc Lamp Similar to the HBO, XBO Bulbs include Osram xbo150W/1, Osram xbo75w/2 and many other, these bulbs are used in Professional lighting applications as Stage Lighting, Studio Lighting, Medical and Microscope applications.

Common Microscope and Medical These bulbs and lamps are more common incandescent, halogen and fluorescent bulbs used primarily in scientific, medical and microscope applications. Common types found are BRL, EFR, ESA, ESB, ESD, ETJ, GE EKE, FCR, FCS, Philips 7388, Philips 7023, Philips 7027, Osram 64250, Osram 64625, Osram 64225, and manufactures include American Optical, Bausch and Lomb, Leitz, Narva, Nikon, Swift, Unitron, Ziess and more.

ANSI-Coded for Dental, Optical and General Illumination ANSI, American National Standards Institute, coded bulbs have standardized specifications used in a wide range of applications from photo and medical to track lighting, examples include BBA, BRL, BNF, DDL, DNE, DRB, DYS, EYX, EHD, ESA, BLX, EVD, GCA, ESM, EGN, FHS DXW and hundreds more. Other terminologys include pre-focus, medium pre-focus, r7s base, gx5.3 base, gy6.35 base, g4 base, s11, d.c. base, For the ANSI spec page with voltages and wattagesCLICK HERE

Common Dental BulbsCommon Dental bulb applications include examination, operatory, extra-oral, photo curing, fiberoptic handpiece, x-ray and direct replacements for manufacturers A-DEC, Belmont, Castle, Caulk ( Prisma ), Chayes Light, Eurodent, Faro, Fiad, Helthco, J. Morita, Kavo, L.D. Caulk, Lares, MDT ( Harvey ), Midwest, Pelton & Crane, Ritter, Nikon, Swift, Osram, Philips, GE, Ushio and many more.

Graphic Art Exposure High wattage mercury and metal halide hid arc bulbs for Amerigraph System, Burgess, nuArc, Olec, Theimer. Popular numbers include HPM12, HPM15, HPM16, HPM17, XOP15 O/F, XOP80 O/F, GW114, MHL1000, MHL5000/7, MHL3001, MHL5027, L1280, L1150, L1250, L1260, THS5020 and hundreds more.

UV Curing and Black Light Fluorescent Mercury, Metal Halide, HID and UV fluorescent bulbs used for the print and silkscreen industries.

Misc. Photo and Graphic Art Bulbs Many specialty and hard to find bulbs for printing, projection, photo and graphic art applications.

PAR-14 (1-3/4" Dia.) Reflector Par-14 Reflector Flood and Spots, popular for home and commercial lighting, track lighting, retail stores, jewelers, jewelry stores, brands include Sylvania Osram, SLI, Philips, GE Lighting, Ushio, Litetronics, Wiko Sonalux... anywhere bright clean whiter lighting is required.

PAR-16 (2" Dia.) Reflector Par-16 Reflector Flood and Spots, popular for home and commercial lighting, track lighting, retail stores, jewelers, jewelry stores, brands include Sylvania Osram, SLI, Philips, GE Lighting, Ushio, Litetronics, Wiko Sonalux... anywhere bright clean whiter lighting is required.

PAR-20 (2-1/2" Dia.) Reflector Par-20 Reflector Flood and Spots, popular for home and commercial lighting, track lighting, retail stores, jewelers, jewelry stores, brands include Sylvania Osram, SLI, Philips, GE Lighting, Ushio, Litetronics, Wiko Sonalux... anywhere bright clean whiter lighting is required.

PAR-30 (3-3/4" Dia.) Standard Par-30 Standard length Reflector Flood and Spots, popular for home and commercial lighting, track lighting, retail stores, jewelers, jewelry stores, brands include Sylvania Osram, SLI, Philips, GE Lighting, Ushio, Litetronics, Wiko Sonalux... anywhere bright clean whiter lighting is required.

PAR-30 (3-3/4" Dia.) Long-Neck Par-30 Long Neck Reflector Flood and Spots, popular for home and commercial lighting, track lighting, retail stores, jewelers, jewelry stores, brands include Sylvania Osram, SLI, Philips, GE Lighting, Ushio, Litetronics, Wiko Sonalux... anywhere bright clean whiter lighting is required.

PAR-36 (4-1/2" Dia.) Reflector Par-36 Low Voltage Screw terminal Flood and Spots, many applicatons including, emergency lights and lighting, low-voltage outdoor lighting, track lighting, retail stores, jewelers, jewelry stores, brands include Sylvania Osram, SLI, Philips, GE Lighting, Ushio, Litetronics,

PAR-38 Medium Base (4-3/4" Dia.) Par38 Flood and Spots, popular for home and commercial lighting, outdoor flood light, dock lights, track lighting, retail stores, jewelers, jewelry stores, brands include Sylvania Osram, SLI, Philips, GE Lighting, Ushio, Litetronics, Bright Halogen light.

Par-38 Side Prong (4-3/4" dia.) Par38 Side Prong Reflector Flood and Spots, popular for home and commercial lighting, track lighting, retail stores, churches, jewelers, jewelry stores, brands include Sylvania Osram, SLI, Philips, GE Lighting, Ushio, Litetronics,

Par-46 Side Prong (5-3/4" dia.) Par46 Side Prong Reflector Flood and Spots, popular for commercial and institutional lighting, churches, stage lighting, studio lighting, brands include Sylvania Osram, SLI, Philips, GE Lighting, Ushio, Litetronics,

PAR-46 (5-3/4" Dia.) Screw Terminals Par-46 Reflector Flood and Spots, popular for commercial and institutional , churches, stage lighting, studio lighting, brands include Sylvania Osram, SLI, Philips, GE Lighting, Ushio, Litetronics,

PAR-56 (7" Dia.) Reflector Par56 Reflector Flood and Spots, popular for commercial and institutional , churches, stage lighting, studio lighting, brands include Sylvania Osram, SLI, Philips, GE Lighting, Ushio, Litetronics,

PAR-64 (8" Dia.) Reflector Par64 Reflector Flood and Spots, popular for commercial and institutional , churches, stage lighting, studio lighting, brands include Sylvania Osram, SLI, Philips, GE Lighting, Ushio, Litetronics,

PAR-38 GU-10 Twist Lock Halogne twist-lock GU10 base heavy glass bulbs commonly used in halogen floor and torch (torcheire) lamps.

Standard "A-19" 130V (2-3/8"dia) This is your standard household light bulb, 130volt. The 130 volt rating gives the bulbs appx 14,000 hour life which last at least 10 times longer than standard 120 volt bulbs. Common wattages include 25 watt, 40 watt, 60 watt, 75 watt, 100 watt, and also energy savings watt miser versions.

Standard "A15" (1-7/8"dia) Appliance A15 Style bulbs are similar in shape to the standard A19 household bulb only slightly smaller measuring 7/8in. diameter and commonly called appliance bulb, ceiling fan bulb, refrigerator bulb, oven bulb and garage door opener bulbs. They have multiple filament supports which gives the bulb excellent vibration resistance.

3-Way "A" Shape A19, A21, and PS style household 3-way light bulbs. We also stock the hard to find 100/200/300 watt Mogul (large screw base) light bulb found in antique floor lamps.

Rough Service "A" Shape Rough service used in Electrical contracting and high vibration applications, heavy filament and extra filament supports. Common wattages are 60watt, 75watt, and 100watt.

Coated (food service) "A" Shape Coated "A" shape bulbs are required my many health departments in restaurants and food service environments. Commonly called tuff skin, tough coat or Teflon coated.

Traffic Signal "A" Shape Bulbs used in Traffic signal applications however these bulbs make excellent long-life as well as rough service bulbs.

Colored "A" Shape Have a party with our wide range of colored "A" Style bulbs. Also used in restaurants, clubs, holiday lighting and the famous red aura diet.

Chromalux Full Spectrum The famous Chromalux Full Spectrum® light bulbs used for SAD, Seasonal Affective Disorder, also recognized as Winter depression. Many health care professionals have theorized for years that as the long days of summer shrink to winter the lack of light to the optic nerve produce increases in melatonin and decreases the amount of Serotonin due to the "Hibernation" effect, all this is speculated to bring on SAD or winter depression. Many people use the Full Spectrum light of Chromalux to help fight Winter Depression.

20,000 hour Long Life "A-19" Shape Ultra Long Life incandescent household "A" shape light bulbs and Floods. 20,000 hour average life, double wound heavy duty filaments produce a bulb that will outlast standard 120volt bulbs 20 times over! Litetronics and Aerotech brands.

Low and High Voltage "A" Style Specialty bulbs in un-common voltage range, low voltage to high voltage applications.
 

Krypton Gas Bulbs Krypton Gas bulbs in a variety of styles and sizes for higher efficiency, brightness and clean white light. Uses also include decorative interior lighting.

R style Reflector Common smaller incandescent reflector flood and spot bulbs used in a wide range of lighting applications, track lighting, recessed can lighting, home, office, retail, churches and commercial applications.

BR style Reflector Standard reflector flood and spot bulbs used in a wide range of lighting applications, track lighting, recessed can lighting, home, office, retail, churches and commercial applications.

ER Elliptical Reflector Elliptical reflector flood and spot bulbs used in a wide range of lighting applications, track lighting, recessed can lighting, home, office, retail, churches and commercial applications.

Decorative "G" Globe Shape Decorative globe shaped bulbs common uses for home, office decorative fixtures, bathroom and kitchen fixtures.

Decorative Silver Bowl Style Half silvered decorative bulbs, also called silver bowl or chrome dome. Popular uses include bar and restaurant and home
 

PS Shape Larger screw base bulbs, include medium base bulbs and mogul base bulbs, wattages from 150 watt to 1000 watt, common for commercial lighting, warehouse lighting, church lighting, dock lights, incandescent tower lights and older high intensity applications including area light and small athletic and ball fields.

Sign "S" Shape(1-7/8"dia) "S" shape bulbs, used in a very wide range of products and applications from 6 Watt 6s6 bulbs for indicator light to 40 Watt 40s11 bulbs used in signs and displays, sizes include s6 s11 s14.

Decorative and Candelier Styles Chandelier bulbs in torpedo and flame tip shapes, clear and frosted, standard and petite sizes. Wattages from 7-1/2 Watt to 60 Watt.

7c7, Holiday and Night Light Style C7 size bulbs recognized as holiday, Christmas and night light bulbs. Many colors stocked for immediate delivery.

Tubular "T" Shape Tubular bulbs include uses in exit and emergency lighting replacements, showcase bulbs, art lighting, specialty lighting, appliance uses such as in microwave ovens and many other uses.

Linestra Linear, s14 s14s Hard-to-find linear incandescent bulbs popular for furniture lighting, commercial and residential accent lighting.

T-12 Linear 48" Long The most popular collection of Fluorescent bulbs, this group includes the common 4 ft. cool white F40CW used in most office overhead and lay-in fixtures. We stock these bulbs in huge quanities and most every color (kelvin) temperature and spectrum. We also stock Philips Alto low mercury, energy savers, watt misers, Excella full spectrum fluorescent, 4100k, 3500k, 2700k, 5000k high color rendition (cri), high efficiency and speciatly bulbs used for body shops and paint booths color matching, Promolux low uv for food service.

T-8 over 47" length Now popular energy efficient T-8 bulbs used in conjunction with electronic ballast. Popular styles are F32T8, FO32T8, F40T8, FO40T8, F72T8, F72T8HO, F96T8, FO96T8, F96T8HO, FO96T8HO.

T-12 Linear under 47" length This group includes popular as well as hard to find fluorescent bulb sizes including 18", 28", 30", 32", 33" and others. Used in common household and business applicaitons and others including snack machines, showcase bulbs, drink machine bulbs, menu boards bulbs, pool table lights and more.

T-8 Linear under 47" length Includes T8 bulbs for both magnetic ballast and electronic ballast including F17T8 FO17T8, F25T8, FO25T8, F10T8, F13T8, F13"T8, F14T8 and F15T8, more...

T-12 Linear 49" thru 95" length This catagory includes popular wearhouse lighting, showroom lighting, bulbs for beer coolers and other food service and resturant equipment, drink machines and more.

High Output Recessed Contact under 48" High output T12 bulbs common uses... outdoor sign bulbs stocked in both cool white and daylight, resturant meun boards, drink machines, coolers and freezers.

High Output Recessed Contact over 49" High output T12 bulbs common uses... outdoor sign bulbs stocked in both cool white and daylight, resturant meun boards, drink machines, coolers and freezers.

PG17 and T17 2-1/8" diameter Linear Very hard to find over-side 2-1/8" diameter Fluorescent bulbs.
 

T-5 Linear all lengths Popular small diameter (5/8") bulbs. Used in specialty and high-output applicatoins from displays to gas pumps. Other applications include

T-12 Linear over 96" Popular catagory of fluorescent tubes used for wearhouse, area lighting, outdoor lighting and sign bulbs. Common colors are cool white CW, warm white WW, daylight DX, full spectrum, 2700k 3000k 3500k 4100k 5765k SP27 SP35 SP41 SP50 SPX27 SPX35 SPX41 SPX50 D30 D35 D41 DSGN50 Design 50.

Low UV for Food Service Promolux Low Ultraviolet UV bulbs specificly made to extend the shelf life of perishable food products such as meats, fish and poltry and produce. Popular for food markets, meat and fish markets, and grocery stores.

T6 Slimline Display and Showcase Breif catagory of 3/4" diameter slimline bulbs used primarly in showcase applications.

U-bent and Circline Fluorescent Atlanta Light Bulbs stocks a complete inventory of Circular style (circline) bulbs, T8 U-bend bulbs, and T12 U-bend bulbs in 1-5/8", 3" and 6" widths, circline stocked in 6" 8" 12" and 16" diameter.

Encapsulite coated Fluorescent Teflon coated protected fluorescent bulbs used where required to meet regulations for food service areas. Markets, grocery stores, resturants, commercial kitchens.

Single Twin Tube 2-pin Single twin tube compact fluorescent bulbs with 2 pin G23 (G-23) base. Wattages 5 7 9 and 13. Common part numbers cf5ds cf7ds cf9ds cf13ds, PL-S5 PL-S7 PL-S9 PL-S13.

Double Twin Tube 2-pin Double twin tube compact fluorescent bulbs with 2 pin gx23-2 base. Wattages 9 13 18 and 26. Common part numbers cf9dd cf13dd cf18dd cf26dd, PL-C9W PL-C13W PL-C18W PL-C26W.

Single Twin Tube 4-pin (PL-L Style) Long compact fluorescents are becoming more popular for commercial energy efficient fixtures. 4 pin 2G11 base. Philips PL-L18W PL-L24W PL-L36W PL-L40W PL-L55W, Osram FT18DL FT24DL FT36DL FT40DL and FT55DL, GE biax F18BX F27BX F36BX F39BX F36/39BX and F50BX.

Double Twin Tube 4-pin Double twin tube compact fluorescent bulbs with 4 pin G24Q-1 base. Wattages 13 18 and 26. Common part numbers CF9DD/E/827 CF13DD/E/827 CF18DD/E/827 CF26DD/E/827 CF9DD/E/835 CF13DD/E/835 CF18DD/E/835 CF26DD/E/835 CF9DD/E/841 CF13DD/E/841 CF18DD/E/841 CF26DD/E/841.

Triple Twin Tube 4-pin Electronic Triple twin tube with 4 pin GX24Q-2 base compact fluorescent bulbs popular for can lighting and area lighting. Part numbers include Osram/Sylvania CF13DT/E CF18DT/E CF26DT/E CF32DT/E CF42DT/E, GE Numbers F13TBX F18TBX F26TBX F32TBX F42TBX, PHILIPS PL-T18W PL-T26W PL-T32W PL-T42W.

Triple Twin Tube 2-pin Similar to above triple tube but with 2-pin GX24d-3 base.
 

Edison Base "E-26" Fluorescent Bulbs Standard medium (Edison) base compact fluorescent bulbs designed as long life energy savings retrofit of common incandescent bulbs. Flourescents only use a fraction of the energy required by incandescnets and last 5 to 10 times longer with average life usally near 10,000 hours.

Lights of America Direct replacemet bulbs that fit only Lights of America fixtures and ballast.
 

FUL style small U-tube Older style compact fluorescents, minature u-shape bulbs seen in many outdoor and specialty fixtures.
 

4 Tube parallel, 4 pin Numbers include CF18DF CF24DF CF36DF F42QBX/SPX27/A/4P F42QBX/SPX35/A/4P F42QBX/SPX41/A/4P F57QBX F70QBX.

PLC-15MM Style 4 Tube

Triple Twin Tube Inverted Base