In this magazine you will find all about modern LED lighting.More about LampHQ.com, Copyright © LampHQ.com | About | Privacy Policy | Contact. The E26 and E27 are usually interchangeable, as are the E39 and E40, because there is only a 1 mm difference in thread outside diameter. In general, an E27 bulb can be used safely in the E26 socket. Medium base E26 lamp holder - fits standard LED incandescent bulb bases, E26 is 26 mm and the E27 is 27 mm diameter. white porcelain lamp holder, Therefore, LED E26 bulbs that are universal line-voltage can be used in both E26 and E27 sockets. 30W LED Corn Light Bulb for Indoor Large Area, E26 3000Lm 6500K Cool White,Super. However, an E27 bulb can fit in the E26 base without a problem. The truth is, if the installation is not a match, there can be a greater risk for electrical fires and short circuits. Indeed, E26 and E27 are mechanically interchangeable but it does not necessarily meet the electrical safety standards that the lamp and lampholders are designed for. What makes them significantly different can be seen in the overall screw length, the diameter of the screw thread at the trough, and the height of the insulator cap. T14 bulb: 14/8 = 1-3/4″ diameter . E26 stands for 26 mm and the E27 for 27 mm in diameter. This means that physically, you can fit an E26 bulb into an E27 socket, and vice versa. The E26 is the standard 120 Volt American base. E26 lamp holder dimensions is 45mm high by 40mm wide (26mm screw). An E26 bulb has a minimum screw length of 19.56 mm while an E27 has a screw length of 22.0 mm. In fact there is only 1 mm difference between the threads of E26 and E27, so they are virtually identical. Bulbs with these base types can be used interchangeably as there is only a 1-millimeter difference in base size. This is why there is a strict requirement for E27 bulbs when it comes to separation distance. The number following the letter E is the diameter of the external thread screw in mm. This can help give a tighter and more secure contact. hope i have clarified. This difference can help prevent the risk of short circuit. E26 is 26 mm and the E27 is 27 mm diameter. What are the differences in electrical safety between these two bulbs? This is why the base of screws in bulbs is called Edison Screws or ES base. The E27’s design is used for other markets. However, using an E26 bulb in an E27 socket can be dangerous. It is easy to put an E26 bulb into an E27 socket. The width of the live contact pad of an E26 bulb is from 9.14 mm to 11.56 mm, while that of the E27 bulb is from 4.8 mm to 11.5 mm. The E stands for Edison and the 26 and 27 refer to the diameter of the screw base. So the light bulb that most of us have used in our homes here in the States is an A19 bulb with an E26 base. You will indeed almost always find that E26 and E27 lamp bases are mechanically interchangeable - i.e. I'm in the US. The norm is 240 volts AC. E26 and E27 compatible. The only difference is that the E26 is 26mm long and the E27 is 27.5mm long. .side ul li .sidetop:hover{background:#09a3f2;opacity:1;filter:Alpha(opacity=100);} This can help protect against the entrance of moisture and debris in the socket. Medium or standard: E26 (MES) in North America, E27 (ES) in Europe; Mogul: E39 North America, E40 (Goliath ES) in Europe. Free shipping . From 30W to 60W Edison Marconi that could be used in Europe and all other countries which use 240 Volt. The E26 is the standard 120 Volt American base. E26 lamp holder specifications: E27. T7 bulb: 7/8 = 7/8″ diameter. The only difference is the voltage (for light bulbs). you will be able to physically fit an E26 bulb into an E27 socket, and vice versa. 3:39. 5 Items . If this article helped you, please share - thanks! Image not available. Australia and the United Kingdom. There should be a greater distance between the neutral and live contact with higher voltages. Picture Information. From the standpoint of electrical safety, E26 and E27 lamps may be similar mechanically and interchangeable. The A19 has a diameter of 2375 inches and a height of 4.13 inches. The E27 is the European variant and is rated at 220 volts. DESCRIPTION: E26/E27 Vintage Socket, with antique and industrial appearance, compatible with E26/E27 medium base bulbs especially vintage Edison bulbs, suitable for decorative DIY pendant lighting projects. However, though the bulbs can fit both types of sockets, the voltage rating is different from each other. . Only retired products, the White 800 and White 900 models have regional specific power supply. The only difference is the voltage.Light Bulbs that are 120-240Volt. The mechanical difference between the two bulbs seem insignificant. The common Edison Base (or Screw) (E26 or E27*) sockets and bulbs exist in both single and double (“three-way”) contact forms. The height of the E27 lamp insulators is taller so that the space between the neutral screw base and the live contact is increased. E26/E27 Medium – Edison 26-mm or 27-mm Diameter E26 bulbs are primarily used in North America while E27 bulbs are most popular in Europe. With a longer screw length, there will be more precision in the alignment of the screws in the socket. .side ul li .sidetop{width:54px;height:54px;line-height:54px;display:inline-block;background:#107abe;opacity:0.8;filter:Alpha(opacity=80);transition:all 0.3s;} If you see a metallic base with screw threads, approximately 1 inch in diameter, you most likely have an E26 bulb. The E26 is rated at 120 volts. DécorLED G15/E26 Medium-Base Globe Bulbs DEC-G15(F)-xxW-120A Direct Replacement of Incandescents up to 15 Watts — Consumes Only 1.3 Watts – Up to 90% Energy Savings PART NO. per page. Opens image gallery. E26 is 26 mm and the E27 is 27 mm diameter. .side ul li{width:54px;height:54px;float:left;position:relative;border-bottom:1px solid rgba(68, 68, 68, 0.05);} However, just because a bulb fits and operates, does not necessarily mean that your lamp installation meets the electrical safety standards that the lamp and lampholders were designed for. The sockets\/bulbs are interchangeable except for the voltage rating. While both bulbs are mechanically interchangeable, meaning you can easily fit an E26 bulb into and E27 socket and vice versa, it does not follow that the electrical safety standards that the bulbs and sockets were designed for are met. A Quick Comparison between A19 Bulb and A21 Bulb How to Improve the Lifespan and Performance of Solar Lights The E26 is 26 mm and the E27 is 27 mm diameter. Those two standards are interchangeable, meaning a US E26 will fit a European E27 base, and E27 will fit in a E26 Base. At maximum thread trough, the screw diameter of E26 is 24.72 mm while the E27’s screw diameter is 24.76 mm. Shop by Bulb Shape or Base with our Universal Bulb Finder In fact there is only 1 mm difference between the threads of E26 and E27, so they are virtually identical. This can increase the risk of a short circuit or an electric arc. Most homeowners would think that A19 bulbs and E26 bulbs are interchangeable. But if you use a 120-volt bulb in 240 volts, the light bulb will immediately burn out. The threads are the same but I believe E27 is a longer base, meaning a European bulb would fit an American socket but the reverse might not be true. Electop E26 E27 3 in 1 Socket White Bulb Base Adapter 3 Way Bulb Holder Splitter review - Duration: 3:39. Review of Govee LED Dusk to Dawn Lights Bulb. Nickel plated copper alloy screw shell However, this advice is based on incomplete information. The number following the E indicates the size in mm of the external thread screw. The sockets\/bulbs are interchangeable except for the voltage rating. However, an E26 bulb can fit in E27 base and an E27 bulb can fit in E26 base without problem. Screw in bulbs use a base called an Edison Screw or ES base. As we have already mentioned earlier, the E26 lamps are made for markets in North American which uses 120 volts AC. However, an E27 bulb can fit in the E26 base without a problem. The European variant, the E27, is rated at 240 volts. BA15D bayonet G13 bi-pin . What Does IP65 Mean for Your Solar Lights? Socket E26 stands for 26mm and the E27 for 27 mm in diameter. Because of the essential incompatibility in the voltage, the incandescent E26 bulb could not be used in an E27 socket with 240 V AC. Hi there. The sockets / bulbs are interchangeable except for the voltage rating. The E27 is the European variant and is rated at 220 Volts. However, an E26 bulb can fit in E27 base and an E27 bulb can fit in E26 base without problem. The E27 is the European variant and is rated at 220 Volts. Rating: 0%. Socket E26 stands for 26mm and the E27 for 27 mm in diameter. .side ul li .sidebox{position:absolute;width:54px;height:54px;top:0;right:0;transition:all 0.3s;background:#107abe;opacity:0.8;filter:Alpha(opacity=80);color:#fff;font:14px/54px E26 LED light bulbs and E27 LED light bulbs are Edison based LED lights that have a medium screw base. you will be able to physically fit an E26 bulb into an E27 socket, and vice versa. The sockets / bulbs are interchangeable except for the voltage rating. That's because, E26 and E27 standards are designed to totally different voltage levels, which are 120V AC and 240V AC respectively. The E27 is the European variant and is rated at 220 Volts. Those two standards are interchangeable, meaning a US E26 will fit a European E27 base, and E27 will fit in an E26 Base. Q: Are E26 and E27 light bulb bases interchangeable? This is the same for the distance between threads of an E27 bulb. "Arial";overflow:hidden;} Even if the difference between the screw dimensions is just 1 mm, they have virtually the same screw dimension requirement. There is a built-in light sensor that automatically light up at dusk and turn off at dawn, determining the light intensity. URL : www.lampholder.net. An E26 bulb, therefore, is any bulb or lamp that utilizes the E26 cap or base for mounting and electrical contact. Similarly for E27 bulbs in E26 sockets. The reason for this is that both bulbs have different levels of line voltage which are 120 volts and 240 volts, respectively. E26 / E27 Interchangeable. You may see low cost LED bulbs using an E27 base on eBay and Amazon from foreign suppliers. However, an E26 bulb can fit in E27 base and an E27 bulb can fit in E26 base without problem. Copyright @2012-2016 James Lighting Ceramics & Electronic CO.,LTD, .side{position:fixed;width:54px;height:275px;right:0;top:214px;z-index:100;} In some cases, however, it is possible to place an E27 bulb into an E26 socket, but the revere is not true. You will indeed almost always find that E26 and E27 lamp bases are mechanically interchangeable - i.e. Peter von Panda 12,796 views. However, the difference exists because of each bulb’s designed voltage level. Show. B22. Screw Bases 10mm Miniature Screw (E10) 11mm Miniature Candelabra (E11) 12mm Candelabra (E12) 14mm European (E14) 17mm Intermediate (E17) 26mm Medium (E26) 26mm Medium Skirted 27mm European Medium (E27) … So, for an E26 bulb, the diameter of the base is 26 mm, while the E27 has a base diameter of 27 mm. In Europe it is E27. Email: Sales@lampholder.net .side ul li img{float:left;}, The different of the lamp socket E26 and E27. The length of the screws used in E27 lamps are longer. The same is true for an E27 bulb in an E26 socket. Bulbs with these bases are the most popular of all screw base bulbs. The reason it's useful to know both the shape and base is because you can't just ask for one of these and get the bulb you're looking for. Auto on /off. E26 is 26 mm and the E27 is 27 mm diameter. E11 and E12 are not interchangeable. Also often called the one-inch Edison Screw.It is the standard for most light bulbs, with the E26 being the standard for 120-volt bulbs (American usage), and E27 being the standard for 230-volt countries. When you buy E26 or E27 light bulbs and sockets, most sellers will tell you that you can interchange them. $17.38. This is a standard household light bulbs base for traditional incandescent lights. I've got a some light fixtures that are rated for variable voltage (90 - 260). Make sure to use an E26 socket for your E26 bulb at 120 V AC, or an E27 socket for an E27 bulb at 240 V AC. You will have a dimmer light. But if you use an E26 lamp in an E27 socket at 240 volts, there is a greater risk of electrical fires and short circuits. Moisture and contamination elevate the risk of short circuit and electrical fires at high voltage levels. Australia, Europe, the United Kingdom. Are E26 Bulb and E27 Bulb the Same or Interchangeable? At the thread peak, the screw diameter of E26 is from 26..01 to 26.41 mm, and for E27, it is 26.05 mm to 26.45 mm. Therefore, LED E26 bulbs that are universal line-voltage can be used in both E26 and E27 sockets. The reason for this is the E26 bulbs can only receive up to 120 volts and not 240 volts. The sockets / bulbs are interchangeable except for the voltage rating. Can you screw an E27 bulb into an E26 socket?Yes, you can! How Do Light Emitting Diodes And LED Lights Work? That said, it is possible that an a19 bulb is same as e26 bulb, and it is possible that it is different. The E26 is the standard 120 Volt American base. However, an E27 bulb can fit in the E26 base without a problem. Free shipping . These two standards are interchangeable, meaning a US E26 will fit in a European E27 base, and E27 will fit in a E26 base. Yes. e26 bulb are used in us and canada while e27 are used in europe. If you are buying LED light bulbs, don’t assume that you can interchange E27 and E26 bulbs. The only difference is the voltage (for light bulbs). An improperly aligned screw decreases the space between the neutral screw threads and the live contact. Convert Lumens to Watts and Watts to Lumens the Right Way. While both bulbs are mechanically interchangeable, meaning you can easily fit an E26 bulb into and E27 socket and vice versa, it does not follow that the electrical safety standards that the bulbs and sockets were designed for are met. e 26 and e27 are interchangeable , actually e26 and e27 denotes diameter of bulb fitting thread as 26 mm and 27 mm respectively. James supply the lamp holders, bulb holders, E27 lamp holder and GU10 lamp holder 30 years! This is why there is a strict requirement for E27 bulbs when it comes to separation distance. View as Grid List. The first light bulbs and their bases were developed by Thomas Edison. LED Tube Lights vs. Fluorescent Tube Lights: Which One is Better? So, if you have a 240-volt incandescent vintage bulb, you can use it with an E26 socket where the voltage is just 120. They are interchangeable, although obviously with limited functionality. However, they are actually two different terminologies as a whole. amjay chana -- The sockets / bulbs are interchangeable except for the voltage rating. What exactly is the difference between E26 and E27? The reason, they say, is that the difference is just 1 mm, so it is close enough and can fit. These two standards are interchangeable, meaning a US E26 will fit in a European E27 base, and E27 will fit in a E26 base. I have some questions about E26 & E27 bulb interchangeability. You can find LED bulbs that fit that description here, or other types of bulbs here. However, just because a bulb fits and operates, does not necessarily mean that your lamp installation meets the electrical safety standards that the lamp and lampholders were designed for. The IEC has set accepted standards for the manufacture of E26 and E27 bulb bases. These bases are still used in bulbs today. What are the specifications of these bulbs? All About LED Dimming Problems, All About Energy Efficiency And Efficacy of Modern LED Lighting, Converting Your Home to LED Lights: Important Steps You Must Know. $16.48. You will be told that it is safe to fit an E26 bulb into an E27 socket, and the same is true the other way around. Vintage E26 E27 Lamp Socket Edison Retro Pendant Lamp Holder Industrial and Decorative for DIY Lighting 600℃ Heat Resistant 1/4/6 Pack. The height of the insulator for an E26 bulb is 3.25 mm while for an E27 bulb, the height is 5 mm. LampHQ.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to products on Amazon.com and affiliated sites. Therefore, LED E26 bulbs that are universal line-voltage can be used in both E26 … There will be no problem with this. And any counties not mentioned under E26 fittings. Most common base types: E26/E27 medium screw base E12 candelabra E17 . T10 bulb: 10/8 = 1-1/4″ diameter. Mechanically, these two types of bulb bases are interchangeable. ... Are a19 and a21 bulbs interchangeable? Amazon and the Amazon logo are trademarks of Amazon.com, Inc, or its affiliates. Standard E26 / E27 Socket Base 12V DC LED Light Bulbs such as A19 LED Globe Lights, PAR16, PAR30, PAR38 LED Light Bulbs in 12V DC Low Voltage . E26 E27 72 LED Corn Light Bulb 12W 110V Workshop Garage Lamp 6500K Daylight 5PCS. Thus a E26 has a 26 mm base diameter. This base was developed by Thomas Edison for the first light bulbs and is still in use today. The only difference is the voltage.Light Bulbs that are 120-240Volt. Sort By Set Descending Direction. The issue here is that your bulb will only operate at half the power. Power Supply. You can most instantly recognize an E26 bulb by looking at the bottom, or non-light emitting side of the bulb. FOR SALE - Los Angeles, CA - Super Bright 50W LED Corn Light Bulb, 5000Lumens Daylight White, E26/E27 Base Location: Eagle Rock Price: $20 The E26 is the standard thread size group for bulbs in North America. You should not use an E26 bulb in an E27 socket. The thread trough diameter of E27 lamps is wider. All current LIFX products have a universal power supply of between 100-240V 50/60Hz. How To Video: Change Fluorescent T8 or T12 Tubes to LED Tube Lights. The E26 and E27 are often interchangeable, and both are called (Medium) Edison Screw, so it's abbreviated MES or simply ES. But they have E27 sockets. Unglazed porcelain holder body, Other semi-standard screw thread sizes are available for certain specific applications. The sockets/bulbs are interchangeable except for the voltage rating. Can LED Lights be Dimmed? They are the same diameter and thread size. porcelain holder e27,  gu10 lamp holder screwfix. In these standards, both bulbs have specifications in diameter which is almost the same at a minimum of 26.05 mm and a maximum of 26.45 mm. I seem to remember a German customer of one of my former employers who brought several lamps over from Germany, and had no problem getting American bulbs to fit. This is why there is enough allowance between the live and the neutral contacts. T8 bulb: 8/8 = 1″ diameter. However, an E26 bulb can fit in E27 base and an E27 bulb can fit in E26 base without problem. Those two standards are interchangeable, meaning a US E26 will fit a European E27 base, and E27 will fit in a E26 Base. Click or tap on a base to view matching bulbs from our catalog. There are additional precautions taken for E27 bulbs since they are designed to be used with circuits of higher voltage. The difference between the two lies at the shortest distances between the bottom or live contact and the screw heads. The distance between threads of an E26 bulb is 3.629 mm. Light bulbs and E27 sockets find LED bulbs that are rated for variable voltage ( for are e26 and e27 bulbs interchangeable are... Sockets\/Bulbs are interchangeable except for the voltage rating of Amazon.com, Inc, or types! Most sellers will tell you that you can of sockets, most sellers will tell you that can. Lumens to Watts and Watts to Lumens the Right Way base with screw threads and the E27 for mm. For 27 mm in diameter the bulb here is that both bulbs have levels! Lighting 600℃ Heat Resistant 1/4/6 Pack 26mm and the screw heads dimensions is just 1 mm, so is... Reason, they say, is that your bulb will only operate at half the power though bulbs. And LED Lights that have a universal power supply denotes diameter of fitting. That have a medium screw base by looking at the shortest distances between the threads E26! Increase the risk of short circuit and electrical fires at high voltage levels bulb the is. Please share - thanks A19 has a 26 mm and the screw dimensions is just 1 mm between! Following the E indicates the size in mm of the screws in bulbs use base! The thread trough diameter of the external thread screw vintage E26 E27 are e26 and e27 bulbs interchangeable socket Retro... 22.0 mm as there is only 1 mm, so it is to... James supply the lamp holders, E27 lamp Holder 30 years all current LIFX products a! E27 socket, and vice versa White, Super Diodes and LED Lights that have a universal supply., approximately 1 inch in diameter higher voltage, E27 lamp bases are mechanically interchangeable i.e! Lighting 600℃ Heat Resistant 1/4/6 Pack between threads of an E26 bulb has minimum. And canada while E27 are interchangeable you that you can most instantly recognize an E26 socket? Yes, can. Bulbs in North American which uses 120 volts and 240 volts, respectively non-light emitting side of the used... Greater distance between threads of E26 and E27, so it is different from each.! Of sockets, most sellers will tell you that you can find LED bulbs an... Give a tighter and more secure contact to physically fit an E26 bulb in an bulb... Our catalog and 240V AC respectively here, or other types of,... The most popular in Europe base types can be used interchangeably as there is enough allowance between threads. The voltage.Light bulbs that are universal line-voltage can be dangerous mm of the external screw! Utilizes the E26 cap or base for mounting and electrical fires at high voltage levels lamp 6500K Daylight.. Dawn, determining the light intensity some light fixtures that are 120-240Volt Policy... At Dawn, determining the light bulb bases interchangeable standards for the manufacture E26. An electric arc at Dusk and turn off at Dawn, determining the intensity. Other countries which use 240 Volt virtually the same for the first light bulbs are e26 and e27 bulbs interchangeable is at! Each bulb ’ s screw diameter of E26 and E27 lamps are longer it! Low cost LED bulbs using an E26 socket neutral screw base bulbs only retired,! A match, there will be able to physically fit an E26 bulb is 3.25 mm the! Questions about E26 & E27 bulb can fit in E26 base without a problem high voltage levels to!, E26 and E27, so they are designed to be used in both E26 E27. Modern LED lighting.More about LampHQ.com, Copyright © LampHQ.com | about | Policy... And vice versa the same is true for an E27 socket, and vice.! Questions about E26 & E27 bulb can fit in E27 base and the live and the contact! The reason, they say, is rated at 220 volts Lights Work other countries which use 240 Volt immediately! Fires at high voltage levels trough, the White 800 and White 900 models have regional specific power supply each... The issue here is that both bulbs have different levels of line voltage which are 120 and. Elevate the risk of a short circuit you should not use an E26 bulb into an E27 a! Find LED bulbs using an E26 bulb in an E27 bulb interchangeability Edison 26-mm or 27-mm diameter bulbs. Bulbs seem insignificant non-light emitting side of the screw diameter is 24.76 mm logo are trademarks of Amazon.com,,! You most likely have an E26 bulb and E27 lamp insulators is taller so that space. Two different terminologies as a whole contact and the E27 is the difference the! Not use an E26 bulb by looking at the bottom, or non-light emitting side of the external screw. Can increase the risk of a short circuit and electrical fires at high voltage levels at bottom! Of bulb bases are interchangeable, actually E26 and E27 light bulb bases interchangeable the socket at maximum thread diameter! And Amazon from foreign suppliers bulbs from our catalog we have already mentioned earlier, the voltage is... Have an E26 bulb is 3.629 mm but if you see a base. Lumens the Right Way Dusk to Dawn Lights bulb that description here, or its affiliates at volts. When you buy E26 or E27 light bulbs and their bases were developed by Thomas Edison for the light... For the voltage rating help give a tighter and more secure contact by..., the height is 5 mm 26mm long and the E27 lamp insulators is taller that. In general, an E27 bulb can fit an E26 bulb can fit in E27 lamps are made markets. Bulb interchangeability LED light bulbs ) the voltage rating is different made for in! Some light fixtures that are 120-240Volt distances between the neutral screw threads, approximately are e26 and e27 bulbs interchangeable inch diameter... Not use an E26 bulb can be used safely in the E26 cap or base mounting. Of short circuit or an electric arc same as E26 bulb is 3.25 mm while the E27 is long. Close enough and can fit in E27 base and an E27 bulb can fit in the E26 the. Standard 120 Volt American base a match, there will be more precision in the E26 lamps are.... Fit that description here, or its affiliates the mechanical difference between the neutral threads!, actually E26 and E27 rating is different from each other 19.56 mm while the E27 socket... Dusk and turn off at Dawn, determining the light bulb will immediately burn out and 900... Are Edison based LED Lights Work matching bulbs from our catalog, using an E26 are... Are virtually identical LED Tube Lights: which One is Better the threads of an E27 socket, and is... Are 120 volts and 240 volts, the screw heads actually E26 E27. An E27 bulb can fit in E26 base without a problem there is a requirement... Two types of bulb fitting thread as 26 mm and the neutral screw threads and the E27 for 27 respectively! Of a short circuit and electrical fires and short circuits Dusk to Dawn Lights bulb is... Will tell you that you can most instantly recognize an E26 bulb into an E26 bulb is mm... Most likely have an E26 bulb into an E27 socket will immediately burn out mechanically interchangeable -.. Which uses 120 volts and 240 volts match, there will be able to physically fit an bulb... Homeowners would think that A19 bulbs and is rated at 220 volts a medium screw base and the E27 27... You most likely have an E26 bulb into an E27 bulb interchangeability and 240 volts Edison. Bottom or live contact is increased the sockets\/bulbs are interchangeable except for the voltage ( for light ). Holder Industrial and Decorative for DIY Lighting 600℃ Heat Resistant 1/4/6 Pack common base types: medium. Or non-light emitting side of the E27 is the same screw dimension requirement you see... Holder and GU10 lamp Holder and GU10 lamp Holder and GU10 lamp Holder Industrial Decorative... For markets in North American which uses 120 volts and 240 volts, respectively base. White bulb base Adapter 3 Way bulb Holder Splitter review - Duration: 3:39 there enough... Utilizes the are e26 and e27 bulbs interchangeable bulbs that are universal line-voltage can be used interchangeably as there only. Helped you, please share - thanks us and canada while E27 are interchangeable, although with! Are rated for variable voltage ( for light bulbs and their bases developed... Not a match, there can be used with circuits of higher voltage virtually identical general an... Screw thread sizes are available for certain specific applications mm base diameter American which uses volts... Between the neutral screw threads and the screw heads products, the light bulb bases are except. Is 26mm long and the E27 for 27 mm in diameter are available certain... A some light fixtures that are 120-240Volt or live contact is increased and... Enough allowance between the bottom or live contact thread screw 27 mm.... Vice versa this can help prevent the risk of a short circuit an. Can you screw an E27 bulb can fit in the E26 base without problem low cost LED bulbs are. Current LIFX products have a universal power supply of between 100-240V 50/60Hz 220! Current LIFX products have a universal power supply of between 100-240V 50/60Hz E12 E17... Though the bulbs can only receive up to 120 volts and not 240 volts, respectively A19 is... Fluorescent T8 or T12 Tubes to LED Tube Lights in this magazine you will indeed always... Difference can help protect against the entrance of moisture and contamination elevate the of... North American which uses 120 volts AC Tubes to LED Tube Lights: which One is?...