The difference between E26 and E27 Bulbs and sockets

What New

We carry Antique Light Bulbs that are 120-240Volt. From 30W to 60W Edison Marconi that could be used in Europe and all other countries which use 240 Volt.  View our 240 Volt Bulb selection.

Today we added a new Spiral Nostalgic Bulb that is also 120-240V. It is clear glass 60 Watts A-19 shape which is the standard shape of the incandescent bulb.

I have been getting some questions about the base size of those bulbs since in the US we use E26 and Europe uses E27. E26 stands for 26mm and the E27 for 27 mm in diameter. Those two standards are interchangeable, meaning a US E26 will fit a European E27 base, and E27 will fit in an E26 Base. The only difference is the voltage.



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      1. What happens if you use E27 in the US in the 120V? I know E27 is made for 240V.

      2. so if you use an E27 base bulb in a country that has 100-120volt outlets, will they perform or will it not be as bright?

      3. It depends on the bulbs voltage. A 240 volt bulb will work at countries that have 110-130 Volt outlets but it will be much dimmer regardless of the base size. A 120 volt bulb will not work at countries that have 220 – 240 volt. The bulb will burn out immediately. This information applies to incandescent light bulbs.

  2. Is it safe to use an E27 lamp fitting for E26 base bulbs….seeing that it can handle 220-240 Volts and the E26 bulb will only need up to 110-120 Volts?

  3. So if I buy a UK made ceiling pendant light that takes an E27 bulb, can I use it in the US with an E26 bulb? What will be the difference in how the light functions, given the different voltages between the UK and US? Is it dimmer because of the lower voltage in the US?

  4. I ordered a fixture that has bulb bases for E27 bulbs. If I am using 110v and E26 bulbs in the E27 bases, what effect will that have?

  5. I wish to purchase two very beautiful floor lamps which, as I understand, are shipped from Spain and use an E-27 bulb. I live here in the United States, of course. So, my question is whether I would have any problem using standard E26 base bulbs in these lamps? As the maximum wattage to use in the lamps is not indicated, could I go up to 150 watts without any problem? Certainly I want to use bulbs which would shed quite a bit of light for purposes of reading under them so long as there would be no danger of the shades catching fire.

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