Pendant lights, ceiling lights and other lights have sockets, for example E27, E14, G9 or GU10. Light sources with a suitable base are inserted into these.
Since the development of LEDs, there have been lights in which the light source is permanently installed and no longer needs to be replaced - the classic principle of socket and base no longer applies. But even today, numerous luminaires with sockets are being developed - and often the light source itself becomes a stylistic element.
The base and socket are independent of the lighting technology used. Over time, for example, incandescent lamps, halogen lamps, energy-saving lamps and finally LED lamps have been used in E27 sockets. LED light sources are now available for every standard socket, making it easier to switch and save energy: By converting to LED, you can enjoy higher energy efficiency of up to 90 %, a long service life and homogeneous light. Thanks to standardised sockets and bases, it is therefore possible to convert to LED or even Smart Home in no time at all.
FAQ: Frequently asked questions about socket and base
What is the frame?
The socket is part of the luminaire, e.g. a pendant light or table lamp. The socket secures the light source and ensures that it is supplied with voltage.
What is the plinth?
The base provides the mechanical and electrical contact to the socket and is part of the light source, e.g. incandescent lamp or LED lamp.
Where can I find the frame information in the shop?
The socket (for lights) or the base (for lamps) can be found in the shop under the respective product details.
What is E27?
E27 sockets are widely used. The E27 base with an outer diameter of 27 mm has the typical Edison screw thread. The light source is screwed into the socket of the pendant, table or ceiling light.
What is E14?
E14 sockets are often familiar from chandeliers. This is because the typical shape of an E14 bulb is candle-shaped. But it can also be found in many table lamps, for example - in this case the bulb often has a teardrop shape. The E14 base also has a screw thread.
What is G9?
The compact light sources with G9 plug-in base and 9 mm spacing between the contact pins are often used in comparatively slim luminaires where large bulb shapes would be unthinkable.
What is GU10?
GU10 bases with 10 mm pin spacing are usually reflector lamps for spotlights and spotlights. The so-called bayonet base is inserted into the socket and then rotated.
What is GU5.3?
GU5.3 are low-voltage light sources with a pin spacing of 5.33 mm. The reflector is described with the suffix MR16. The light source is mainly used in recessed spotlights.
What is T5 G5?
The T5 G5 fluorescent lamp or LED lamp is still mainly used today in bathroom and utility room lighting and has a lamp base on both sides with a pin spacing of 5 mm.
GU10 and GZ10 - what is compatible?
GU10 and GZ10 are not always compatible. The difference lies in the lower edge of the base and the shape of the frame. The bottom edge of the GU10 base is bevelled. Accordingly, the GU10 socket also has the appropriate fit. This is why a GU10 light source fits into both a GU10 socket and a GZ10 socket. However, the lower edge of the GZ10 bulb is straight, which means that it only fits into a GZ10 socket.
You can find us also on:
The strike-through prices correspond to the manufacturer's RRP.
All prices include 20% VAT, delivery costs excluded.
:format(jpeg) "Socket and base")
:format(jpeg) "E27 bulb")
:format(jpeg) "E14 bulb")
:format(jpeg) "GU10 light source")
:format(jpeg) "G9 light source")
:format(jpeg) "GU5.3 light source")
:format(jpeg) "G4--Light bulb")
:format(jpeg) "R7s light source")
:format(jpeg) "G13 light source")
:format(jpeg) "GX53 light source")
:format(jpeg) "B22 illuminant")
:format(jpeg) "S14 light source")
:format(jpeg) "Light sources for all lampholders")
:format(jpeg) "Smart lighting")
:format(jpeg) "What is Lumen")
:format(jpeg))
:format(jpeg) "Plinth")
:format(jpeg) "traditional light bulb")
:format(jpeg) "Socket comparison")