20 Best 40 Watt Microwave Bulb [2024]

Are you looking for the best 40 watt microwave bulb? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 40 watt microwave bulb.

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1 LED Microwave Light Bulb Over Stove Appliance Replacement 40W Incandescent for Refrigerator, Range... LED Microwave Light Bulb Over Stove Appliance Replacement 40W Incandescent for Refrigerator,...
2 8206232A Whirlpool Microwave Light Bulb Kei 125v 40w Microwave Bulb E17 by BlueStars - Oven Light... 8206232A Whirlpool Microwave Light Bulb Kei 125v 40w Microwave Bulb E17 by BlueStars - Oven Light...
3 Microwave Light Bulb Stove Light Lamp Compatible with Whirlpool GE Kenmore LG Microwave, Dimmable... Microwave Light Bulb Stove Light Lamp Compatible with Whirlpool GE Kenmore LG Microwave, Dimmable...
4 AMI PARTS 8206232A Bulb 40w 125v Microwave Oven Light Replacement Part for Microwave (2pc) AMI PARTS 8206232A Bulb 40w 125v Microwave Oven Light Replacement Part for Microwave (2pc)
5 E17 LED Bulb Dimmable, 5W Microwave Oven Bulb, Daylight White 6000K, 40W Halogen Bulb Replacement... E17 LED Bulb Dimmable, 5W Microwave Oven Bulb, Daylight White 6000K, 40W Halogen Bulb Replacement...
6 Bulbmaster 6 Pack 40 Watts Microwave Replacement Bulb for Most Ge Ovens Replaces Part WB36X10003 ,... Bulbmaster 6 Pack 40 Watts Microwave Replacement Bulb for Most Ge Ovens Replaces Part WB36X10003...
7 40 Watt Appliance Bulb, Clear 40 Watt Microwave Bulb GE WB36x10003 - Microwave Light - Fits Most GE... 40 Watt Appliance Bulb, Clear 40 Watt Microwave Bulb GE WB36x10003 - Microwave Light - Fits Most...
8 E17 LED Bulbs Dimmable 5W Microwave Over Stove Bulb 125V 40W Incandescent Equivalent, Warm White... E17 LED Bulbs Dimmable 5W Microwave Over Stove Bulb 125V 40W Incandescent Equivalent, Warm White...
9 40 Watt Microwave Bulb GE WB36x10003 - Microwave Light - Fits Most GE and Whirlpool Ovens - E17... 40 Watt Microwave Bulb GE WB36x10003 - Microwave Light - Fits Most GE and Whirlpool Ovens - E17...
10 8206232A Whirlpool Microwave Light Bulb,6 Pack 40w 125v E17 Microwave Oven Replacement Parts for... 8206232A Whirlpool Microwave Light Bulb,6 Pack 40w 125v E17 Microwave Oven Replacement Parts for...
11 Light Bulb for Whirlpool Microwave - Microwave Light Bulb Fits for Whirlpool Maytag GE Amana Over... Light Bulb for Whirlpool Microwave - Microwave Light Bulb Fits for Whirlpool Maytag GE Amana Over...
12 Bulbmaster 3 Pack 40 Watts 8206232A Microwave Light Bulb 125v 40w E17 Fits for Whirlpool Maytag GE... Bulbmaster 3 Pack 40 Watts 8206232A Microwave Light Bulb 125v 40w E17 Fits for Whirlpool Maytag...
13 Appliance Bulb, DORESshop 40W Microwave Light Bulbs Under Hood, T8 E17 Stove Light Bulbs Under Hood,... Appliance Bulb, DORESshop 40W Microwave Light Bulbs Under Hood, T8 E17 Stove Light Bulbs Under...
14 40 Watt Appliance Light Bulb,High Temp Resistance Microwave Oven Bulb, E17 Indicator Intermediate... 40 Watt Appliance Light Bulb,High Temp Resistance Microwave Oven Bulb, E17 Indicator Intermediate...
15 8206232A Microwave Light Bulb 40W E17 125V Replacement Part, Exact Fit for Whirlpool Maytag GE Amana... 8206232A Microwave Light Bulb 40W E17 125V Replacement Part, Exact Fit for Whirlpool Maytag GE...
16 2pcs Microwave Bulb GE WB36X10003-125V 40W Microwave Oven Light Bulb for GE LG Frigidaire Kenmore... 2pcs Microwave Bulb GE WB36X10003-125V 40W Microwave Oven Light Bulb for GE LG Frigidaire Kenmore...
17 E17 LED Bulb for Microwave Oven, Kitchen Appliance Light Bulb, Stovetop Light,4 Watt (40W Halogen... E17 LED Bulb for Microwave Oven, Kitchen Appliance Light Bulb, Stovetop Light,4 Watt (40W Halogen...
18 8206232A Microwave Light Bulb 40W E17 125V Replacement Part, Exact Fit for Whirlpool Maytag GE Amana... 8206232A Microwave Light Bulb 40W E17 125V Replacement Part, Exact Fit for Whirlpool Maytag GE...
19 AMI PARTS 8206232A Bulb 40w 125v Microwave Oven Light Replacement Part for Microwave (4pc) AMI PARTS 8206232A Bulb 40w 125v Microwave Oven Light Replacement Part for Microwave (4pc)
20 KINDEEP Ceramic E17 LED Bulb Dimmable for Microwave Oven Appliance, 40W Halogen Bulb Equivalent,... KINDEEP Ceramic E17 LED Bulb Dimmable for Microwave Oven Appliance, 40W Halogen Bulb Equivalent,...
SaleBestseller No. 1
LED Microwave Light Bulb Over Stove Appliance Replacement 40W Incandescent for Refrigerator, Range...
  • E17 intermediate screw base led light bulb used for microwave light bulb, range hood light bulb, refrigerator light bulb, over hood, over stove light...
  • LED Microwave light bulb 3W 360lm equivalent 40W 350lm incandescent bulb, standards T7 shape diameter: D22mm*H59mm, same size as incandescent bulb, it...
  • LED as light source, 15,000h lifetime 10 times longer than incandescent 1000h lifetime, save your cost and time as frequently change incandescent...
  • Widly used as an replacement bulb for most microwave bulb, some item because compatibility with old sytem, LED bulb might be flicking or cann't turn...
  • Note and Attention: That LED Bulb working temperature range -4℉~130℉, that bulb CAN NOT be used IN ovens, when used in ovens, the temperature in...
SaleBestseller No. 2
8206232A Whirlpool Microwave Light Bulb Kei 125v 40w Microwave Bulb E17 by BlueStars - Oven Light...
  • ✅ EASY TO INSTALL: The 8206232A Whirlpool microwave light bulb is made exactly fit for most top name brands (Whirlpool, Amana, Maytag, KitchenAid,...
  • ✅ REPLACEMENT PART NUMBERS: 0053422, 0053437, 05200136, 05200137, 14209237, 14210453, 14210811, 14218311, 14218312, 14218318, 1890433, 2635-0004,...
  • ✅ MULTIFUNCTION BULBS WITH PREMIUM QUALITY: The 8206232A Whirlpool microwave light bulbs are used for repairing different small household appliances...
  • ✅ SAVE TIME SAVE MONEY: Inexpensive way to fix or repair a microwave. This exterior whirlpool microwave light bulb has a small screw-in base. To...
  • 🟠 𝟏𝟎𝟎% 𝐌𝐎𝐍𝐄𝐘-𝐁𝐀𝐂𝐊 𝐆𝐔𝐀𝐑𝐀𝐍𝐓𝐄𝐄: Customer satisfaction is our priority. If for any...
Bestseller No. 3
Microwave Light Bulb Stove Light Lamp Compatible with Whirlpool GE Kenmore LG Microwave, Dimmable...
  • 【Perfect Fits】8206232a microwave light bulbs for ge whirlpool kenmore lg over the range cooktop microwave are dimmable for high and low light...
  • 【Easy to Install and Work Well】Durable microwave light bulbs under hood for ge.
  • 【Specification】E17 base kei 125v 40w warm yellow light, 2.2" in length, 0.9" in width.
  • 【Replacement Part Number】8206232A.
  • 【Package Including】2 packs microwave light bulbs are made from durable high-quality material. Ensure long-lasting and effective performance.
SaleBestseller No. 4
AMI PARTS 8206232A Bulb 40w 125v Microwave Oven Light Replacement Part for Microwave (2pc)
  • 💡[MODEL NUMBER]:8206232A Bulb 40w 125v Microwave Oven Light
  • 💡[WIDE APPLICABILITY]:Suitable for most top brand products.8206232A Whirlpool Microwave Light Bulb Kei 125v 40w E17,Mainly used for...
  • 💡[HIGH QUALITY]:The replacement parts are made by durable high quality material and well-tested by the manufacturer.
  • 💡[LOWER PRICE]: Enjoy factory direct prices when ordering from us!Save a lot of money and time by replacing parts of the product.
  • 💡[SOLVE PROBLEMS QUICKLY]:We have an excellent service team and you can contact us if you have any questions. Even if you are not satisfied, you...
Bestseller No. 5
E17 LED Bulb Dimmable, 5W Microwave Oven Bulb, Daylight White 6000K, 40W Halogen Bulb Replacement...
  • Energy Saving E17 LED Bulb: Emit 450 lumen of brightness by using only 5w, equivalent to 40w halogen bulb, save 90% on electric energy. Good dimming...
  • 6000K Daylight White LED Appliance Bulb: CRI> 80, creating a clean, pleasant and cool bright atmosphere for you, makes your food look yummy when...
  • E17 Intermediate Base Bulb: Suitable for microwave oven, stove, ceiling fan light or other appliance light fixtures with E17 socket (This LED Bulb...
  • Excellent Performance: Instant on without delay, zero flicker and no buzzing sound. Built-in ceramic materials, the bulb is good at heat dissipation.
  • Friendly Customer Service: Provide you 24-month after-sale customer service for them. Buy with confidence!
SaleBestseller No. 6
Bulbmaster 6 Pack 40 Watts Microwave Replacement Bulb for Most Ge Ovens Replaces Part WB36X10003 ,...
  • 40 Watts microwave replacement bulb E17 Base socket
  • Pack of 6 lasts up to 2000 hours
  • Replacement for most GE Part WB36X10003 and Most Microwave light bulbs
  • 180 Lumens , 2700K
  • Ideal for use in microwaves, ovens, sewing machines and other small household appliances
Bestseller No. 7
40 Watt Appliance Bulb, Clear 40 Watt Microwave Bulb GE WB36x10003 - Microwave Light - Fits Most GE...
  • Applications: microwave light bulb can be applied to replace most GE and Whirlpool microwave light bulb when your old bulbs are no long usable.
  • 40 Watts microwave replacement bulb E17 Base socket, 180 Lumens , 2700K
  • Size: microwave replacement bulbs are 2.5 inches tall and 1 inch wide
  • Warranty: 180 days warranty. These bulbs have a lifespan of over 2,000+ hours, and last for 2.7 years based on a 1-hour daily use.
  • Package Includes: 3 pack microwave light bulbs replacement
Bestseller No. 8
E17 LED Bulbs Dimmable 5W Microwave Over Stove Bulb 125V 40W Incandescent Equivalent, Warm White...
  • Energy Saving E17 LED Bulb: Emit 450 lumen of brightness by using only 5w, equivalent to 40w incandescent bulb, save your 90% cost at energy....
  • Ultra Long Life & Dimmable: Excellent heat dissipation for ceramic body, longer lifespan (30000h) and safer to use, save your hassle and cost on...
  • Excellent Replacement: E17 intermediate screw base led light bulb used for microwave light bulb replacement, equivalent incandescent bulb: 8206232A,...
  • Nice Warm White Light: Instant on without delay, upgraded IC + led chips, no flicker, no buzzing sound. 3000K warm white light, CRI 85ra, present...
  • Buy with Confidence: Lacnooe provide you 3-Year after-sale customer service for them. Please do not hesitate to contact us for any issues, we will...
Bestseller No. 10
8206232A Whirlpool Microwave Light Bulb,6 Pack 40w 125v E17 Microwave Oven Replacement Parts for...
  • 1:125V / 40 W / 370 lumens/ E17 Intermediate Base / clear glass bulb.(Please check the original bulb dimensions before purchasing,Avoid buying...
  • 2:Microwave Light Bulb suitable for most top brand products (Whirlpool,GE microwaves ,Maytag,Amana, Kenmore and many other brands microwave brands)...
  • 3:Universal type bulb,this appliance light bulb can be used in many small household appliances such as microwaves, refrigerators , ovens, fans,...
  • 4:Each bulb dimension,total size is 2.2 inch(Length) X 0.9 inch(Diameter). The strong filament in the bulb can withstand the vibration of opening...
  • 5:100% Satisfaction and Money-Back guarantee,For any reason you're not completely satisfied (bulbs were broken ,not working or burned out etc), you...
SaleBestseller No. 11
Light Bulb for Whirlpool Microwave - Microwave Light Bulb Fits for Whirlpool Maytag GE Amana Over...
  • This light bulb fits for Whirlpool Maytag GE Amana above the stove model microwave
  • Easy to install and exact fit for range hood, replacement for the part# 8206232A
  • Dimmable and work with a high/low light setting
  • 125V 40W E17 base, 2.2" in length, 0.9" in width, warm yellow
  • Package including 2 pack microwave light bulb
Bestseller No. 12
Bulbmaster 3 Pack 40 Watts 8206232A Microwave Light Bulb 125v 40w E17 Fits for Whirlpool Maytag GE...
  • Easy to install and exact fit for range hood, replacement for the part# 8206232A
  • Compatible with Whirlpool GE Kenmore LG over the range cooktop microwave
  • 125V 40W E17 base, 2.2" in length, 0.9" in width
  • Suitable for most top brand products
  • Dimmable and works with a high/low light setting
Bestseller No. 13
Appliance Bulb, DORESshop 40W Microwave Light Bulbs Under Hood, T8 E17 Stove Light Bulbs Under Hood,...
  • SPECIFICATION: Appliance bulb E17 Indicator Intermediate base 120V 40W 240lm microwave light bulbs under hood, standards T8 Type. Bulb length...
  • WITHSTAND TEMPERATURE: Our microwave light bulbs can withstand temperatures -25°C to 300°C. microwave light bulbs under hood provides a special 40W...
  • LONG LIFESPAN: Refrigerator light bulb with sturdy filaments withstands vibrations when opening and closing the doors on appliances, shock and...
  • EASY INSTALLTION: E17 intermediate screw base light bulb used for microwave light bulb, range hood light bulb, refrigerator light bulb, stove light...
  • 100% SATISFIED: The package includes 2 pack appliance bulb. If you are not satisfied with this t8 appliance light bulb for whatever reason, we’ll...
SaleBestseller No. 14
40 Watt Appliance Light Bulb,High Temp Resistance Microwave Oven Bulb, E17 Indicator Intermediate...
  • 【Specification】120v / 40 Watt / 370 Lumens/2700-Kelvin/ E17 Intermediate Base / T8 Type / Clear Glass Bulb/Dimmable.
  • 【Bulb size】Each bulb dimension is 2.5 inch(Lenght) X 0.97 inch(Diameter). Please check the size before purchase.
  • 【Long Life】Rugged filaments endure vibrations from opening and closing the doors on appliances,Shock and Vibration resistant construction helps to...
  • 【Widely Used】This appliance 40-Watt T8 appliance light bulb is ideal for use in microwaves, ovens, sewing machines , fans and other small...
  • 【Warranty】100% Satisfaction guarantee - Quality Guarantee,One year warranty.Any issue, please feel free to contact us,we are always at your...
Bestseller No. 15
8206232A Microwave Light Bulb 40W E17 125V Replacement Part, Exact Fit for Whirlpool Maytag GE Amana...
  • ★【Good Applicability】Microwave Light Bulb suitable for most top brand products (Whirlpool,GE microwaves ,Maytag,Amana, Kenmore and many other...
  • ★【Multifunction Bulbs With Premium Quality】The light bulbs are used for repairing different small household appliances including microwaves, the...
  • ★【Easy To Install】This exterior light bulb has a small screw-in base. To access the exterior light bulb, you will need to remove the panel on...
  • ★【Specification】110v-130v / 40 watt /17 Intermediate Base / clear glass bulb.Soft and comfortable lighting, make your home bright, is your best...
  • ★【After-Sale Service】100% Satisfaction and Money-Back guarantee,For any reason you're not completely satisfied (bulbs were broken ,not working...
Bestseller No. 16
2pcs Microwave Bulb GE WB36X10003-125V 40W Microwave Oven Light Bulb for GE LG Frigidaire Kenmore...
  • Bulb Length: 2.5 inch tall, 1 inch wide; Wattage: 40 Watt; Working Voltage: 110V-130V; Base Socket: E17; Lumin: 360; Color Temperature: 2700K; Bulb...
  • This microwave light bulb is replaced for microwaves WB36x10003, , also universal for E17 base socket applications.
  • This 40 watt microwave bulb is available for following brands: GE, Kenmore,LG, Frigidaire, Goldstar, Kenmore Elite...
  • Shock and vibration resistant and able to withstand high temperatures, durable.
  • Package includes: 2 microwave light bulbs.
Bestseller No. 17
E17 LED Bulb for Microwave Oven, Kitchen Appliance Light Bulb, Stovetop Light,4 Watt (40W Halogen...
  • E17 intermediate screw base led light bulb used for microwave light bulb, range hood light bulb, refrigerator light bulb,over hood,samsung...
  • LED Microwave light bulb 4W 360lm equivalent 40W 350lm incandescent bulb, smaller size than incandescent bulb, it will be fit well in your microwave,...
  • LED as light source, 30,000h lifetime 30 times longer than incandescent 1000h lifetime, save your cost and time as frequently change incandescent...
  • Warranty and service: we will offer 12 Months Warranty, Zero-risk Purchase, if you are not satisfied with your purchase or have some problem at...
  • Note and Attention: That LED Bulb working temperature range -4℉~130℉, when used in ovens, the temperature in the oven more than 300 ℉,PC cover...
Bestseller No. 18
8206232A Microwave Light Bulb 40W E17 125V Replacement Part, Exact Fit for Whirlpool Maytag GE Amana...
  • 【Good Applicability】Microwave Light Bulb suitable for most top brand products (Whirlpool,GE microwaves ,Maytag,Amana, Kenmore and many other...
  • 【Multifunction Bulbs With Premium Quality】The light bulbs are used for repairing different small household appliances including microwaves, the...
  • 【Easy To Install】This exterior light bulb has a small screw-in base. To access the exterior light bulb, you will need to remove the panel on the...
  • 【Specification】110v-130v / 40 watt /17 Intermediate Base / clear glass bulb.Soft and comfortable lighting, make your home bright, is your best...
  • 【After-Sale Service】100% Satisfaction and Money-Back guarantee,For any reason you're not completely satisfied (bulbs were broken ,not working or...
Bestseller No. 19
AMI PARTS 8206232A Bulb 40w 125v Microwave Oven Light Replacement Part for Microwave (4pc)
  • 💡[MODEL NUMBER]:8206232A Bulb 40w 125v Microwave Oven Light
  • 💡[WIDE APPLICABILITY]:Suitable for most top brand products
  • 💡[HIGH QUALITY]:The replacement parts are made by durable high quality material and well-tested by the manufacturer.
  • 💡[LOWER PRICE]: Enjoy factory direct prices when ordering from us!Save a lot of money and time by replacing parts of the product.
  • 💡[SOLVE PROBLEMS QUICKLY]:We have an excellent service team and you can contact us if you have any questions. Even if you are not satisfied,...
Bestseller No. 20
KINDEEP Ceramic E17 LED Bulb Dimmable for Microwave Oven Appliance, 40W Halogen Bulb Equivalent,...
  • LESS POWER-HUNGRY & ECO-FRIENDLY: Save up to 88% on your energy bill by replacing 40W halogen bulb with LED bulb; Dimmable, Eco-Friendly, No lead or...
  • EXCELLENT HEAT DISSIPATION: Aviation aluminum base and ceramic heat dissipation housing are more durable and safe which can help cool the bulbs...
  • GREAT PERFORMANCE: High color rendering index>80 Ra, this E17 bulb can show the real color of objects well; Daylight warm color provides very bright...
  • 1-YEAR WARRANTY & WORRY-FREE AFTER SALES: If you're not completely satisfied with our led light bulb, please feel free to contact us, we provide 100%...
  • IMPORTANT NOTICE: The over microwaves are with 2 settings ( high and low mode), however, our bulbs do not support low mode, so please do not use them...

Having trouble finding a great 40 watt microwave bulb?

This problem is well understood by us because we have gone through the entire 40 watt microwave bulb research process ourselves, which is why we have put together a comprehensive list of the best 40 watt microwave bulbs available in the market today.

After hours of searching and using all the models on the market, we have found the best 40 watt microwave bulb for 2023. See our ranking below!

How Do You Buy The Best 40 Watt Microwave Bulb?

Do you get stressed out thinking about shopping for a great 40 watt microwave bulb? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 40 watt microwave bulb, which is why we have assembled a comprehensive list of the greatest 40 watt microwave bulb available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 40 watt microwave bulb that you consider buying. Your questions might include the following:

  • Is it worth buying an 40 watt microwave bulb?
  • What benefits are there with buying an 40 watt microwave bulb?
  • What factors deserve consideration when shopping for an effective 40 watt microwave bulb?
  • Why is it crucial to invest in any 40 watt microwave bulb, much less the best one?
  • Which 40 watt microwave bulb are good in the current market?
  • Where can you find information like this about 40 watt microwave bulb?

We’re convinced that you likely have far more questions than just these regarding 40 watt microwave bulb, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 40 watt microwave bulb, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 40 watt microwave bulb. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 40 watt microwave bulb buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 40 watt microwave bulb currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 40 watt microwave bulb has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 40 watt microwave bulb?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 40 watt microwave bulb.
  5. Customer Ratings: Number ratings grade 40 watt microwave bulb objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 40 watt microwave bulb.
  7. Product Quality: You don’t always get what you pay for with an 40 watt microwave bulb, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 40 watt microwave bulb is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 40 watt microwave bulb information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 40 watt microwave bulb is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: How many lumens will a 40 watt bulb produce?

A: Well, it depends on what to consider a 40 – watt. If you need to replace a standard incandescent 40 – watt bulb it will be a 5W equivalent LED which produces 400lm brightness by average. So, a 40W equivalent LED should be around 400-500 lumens.

Q: How many volts does a 40 watt light bulb use?

A: 40 Watt Mercury Vapor 1 40 50 50 Watt Mercury Vapor 1 50 74 75 Watt Mercury Vapor 1 75 93 100 Watt Mercury Vapor 1 100 125 175 Watt Mercury Vapor 1 175 205 * “B”, “C”, and “D” Corresponds to columns in the Watts Reduced worksheet on page 12 ©2013 Duke Energy Corporation LU 3/13.

Q: How hot does a 40 watt light bulb get?

A: How much heat does a 60-watt bulb produce? The standard go-to light bulb that is good for lighting nearly any room,but not overdoing it. … How much heat does a 25-watt bulb give off? These particular incandescent bulbs are not major heating dangers for the most part. … How much heat does 150 watts bulb get up to? … How much heat does 40 watts bulb emit? …

Q: What does 40 watts bulb mean?

A: The 40 watt rating of the socket only refers to an incandescent bulb. Engineers describe an incandescent bulb as a heater with light as its waste output. A larger incandescent heater would damage the fixture from heat. LED lamps that are available today, that you could use in your fixture are not limited by that watt rating.