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Screw Fittings

Screw fittings, known as Edison screw sockets, have been a widely used standard in lighting for decades. The most common types are E14 and E27, recognizable by the letter 'E' for Edison and the number indicating the diameter in millimeters. These bulbs are suitable for a broad range of domestic environments, but are also common in commercial or decorative fixtures.

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E27 Bulbs
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  • Pay later within 30 days
  • Return up to 60 days later
  • Ordered before 7:00 PM, shipped the same day
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Switching to LED Screw Fittings: Savings and Sustainability

Replacing traditional incandescent or halogen bulbs with an E14 or E27 fitting with LED alternatives offers significant benefits. LED bulbs are known for their high energy efficiency and long lifespan. Making the switch can result in energy savings of up to 90% compared to older lighting solutions.

  • High energy savings: LED bulbs consume a fraction of the energy required by incandescent bulbs to provide the same light output, resulting in noticeably lower energy costs.
  • Long lifespan: An LED E14 or E27 bulb can last 15 to 25 times longer than a traditional incandescent bulb, reducing the frequency and cost of replacement and maintenance.
  • Eco-friendly choice: LED bulbs contain no mercury, making them safer to use and recycle. They also contribute to a reduction in CO2 emissions.
  • Instant light: Unlike some older lamps, LED bulbs reach full brightness instantly after being switched on.

Comparing Lumens and Wattage When Choosing LED

When selecting an LED replacement for your current incandescent bulb, pay attention not to the wattage of the LED itself, but to the lumens (light output) and the wattage it replaces. The lumen value indicates how bright a lamp is.

Wattage of old incandescent bulb LED Lumen value
15W 130 - 160 lm
25W 220 - 250 lm
40W 400 - 470 lm
60W 700 - 800 lm
75W 1000 - 1050 lm
100W 1500 - 1600 lm

The Differences Between E14 and E27 Fittings

The main difference between an E14 and an E27 lamp lies in the diameter of the fitting, the screw thread that twists into the socket.

Fitting Diameter Feature
E14 14 millimeters Also known as 'small fitting'.
E27 27 millimeters Also known as 'large fitting'.

An E27 bulb does not fit into a socket with an E14 fitting, and vice versa. Therefore, always check the marking on your current lamp or socket before purchasing.

Choose the Right Light Color (Kelvin) for Your Space

The color temperature of a lamp, expressed in Kelvin (K), determines the mood and functionality of the light. A lower Kelvin value means warmer, yellower light, while a higher value indicates cooler, whiter light.

Kelvin (K) Light Color Application
1800-2200K Extra warm white (candlelight) Atmospheric settings, such as hospitality venues, living rooms, and bedrooms.
2700K Warm white Home-like ambiance, comparable to traditional incandescent bulbs.
3000K Neutral warm white General spaces, hallways, reception areas.
4000K Cool white Workspaces, kitchens, offices, schools where concentration is needed.
6500K Daylight white Spaces where bright, accurate light is needed, such as workshops or laboratories.

Shapes and Styles of E14 and E27 Bulbs

Although the fittings are standardized, E14 and E27 bulbs are available in a wide variety of shapes and styles. This variety allows you to choose a bulb that is not only functional, but also complements your fixture and interior decor.

  • Candle bulb: This elegant shape, often with clear or frosted glass and sometimes a curved tip, is popular in chandeliers and decorative fixtures.
  • Pear shape: The classic, traditional bulb shape suitable for many general lighting applications.
  • Ball or golf ball shape: A more compact, round style perfect for smaller fixtures or as a decorative bulb.
  • Globe bulb: A larger, spherical bulb often used as a decorative centerpiece in open fixtures.
  • Reflector bulb (PAR or R-shape): These bulbs have a built-in reflector that directs the light into a specific beam, making them suitable for accent lighting.
  • Filament bulbs: These LED bulbs mimic the look of traditional filaments, often with clear glass. They provide warm, decorative light.

Dimmable and Smart Screw Fittings: Greater Control Over Your Lighting

Modern E14 and E27 LED bulbs often offer more than basic on/off functionality. Dimmable options and smart lighting give you extra control over atmosphere and energy usage.

Dimmable Bulbs and Dim to Warm Technology

Many E14 and E27 LED bulbs are dimmable, allowing you to adjust light intensity as desired. This contributes to energy savings because the bulb uses less power when dimmed. To dim an LED bulb, a compatible LED dimmer is required.

Some dimmable LED bulbs feature 'Dim to Warm' technology. When dimmed, not only is the brightness reduced, but the color temperature also changes. For example, warm white light at 2700K can gradually shift to an extra warm white, such as 2200K, creating an even cozier atmosphere.

Smart Lighting for E27 Fittings

There are also smart LED bulbs available for E27 fittings. These bulbs offer extensive features, such as remote control via a smartphone app or tablet. You can adjust the light color (RGB or tunable white) and intensity, set timers, and even connect the lighting to voice assistants like Google Home or Amazon Alexa. This increases convenience and possibilities for creating different lighting scenarios.

Replacing an E14 or E27 Bulb—Simple Steps for You

Replacing a bulb with an E14 or E27 screw fitting is a straightforward process you can perform yourself. Always check that the power is turned off before installation.

To replace your old incandescent bulb with an LED variant:

  1. Turn off the power to the relevant fixture using the light switch or the circuit breaker in the fuse box.
  2. Carefully unscrew the old bulb from the fixture.
  3. Check whether the new LED bulb's fitting (E14 or E27) matches the fixture.
  4. Screw the new LED bulb clockwise into the fixture until it is securely in place.
  5. Turn the power back on and check that the bulb works.