Lamp Holders

Lamp holders, also known as light sockets, are fixtures used in lighting installations. They hold a bulb whilst also providing an electrical connection to it. It is essentially a connection between the wire and the bulb. Some lamp holders also provide support for a pendant or lampshade.

Lampholder Applications

  • B15 / B22 (Bayonet) - Bayonet cap (BC) fittings use a two-prong holding mechanism and the code number determines the connection base diameter.
  • E14 / E27 / E40 (Edison Screw) - Edison screw fittings have a threaded connection, with the diameter determined by the base type code.
  • GU4 / GU5.3 / GU10 / GZ10 - Halogen and LED spotlight fittings are a low voltage type with a twist and lock connection.
  • G5 / G13 (Fluorescent tube) - Fluorescent and led strips feature a two-pin fitting at both ends.
  • R7s - Linear Halogen capsules for floodlights and up-lighters have a 7mm R7s cap at each end of a long quartz capsule.
  • G4 / GY6.35 / G9 - Miniature halogen capsule lamps commonly used in integrated fittings and appliances, such as cooker hoods and kitchen cabinet lights.

Lamp holders are also designed for specific light bulb types, for example, LED, GLS or CFL. It is essential that you choose a lamp holder that is compatible with your bulb, and vice versa to ensure a safe installation.

What are Lamp holders made from?

Lamp holders are generally made from plastic, ceramic or metal. This includes brass, porcelain, PC and PBT. Different materials each have their own benefits however the most common reason for these material options is purely aesthetic or cost-based. 

How are bulbs fitted to a lamp holder?

Depending on the bulb and holder type, there are various methods. Most lamp holders fall under either screw-in, snap-fit or push-fit. Some lamp holders are also fitted with a switch to control the power to the bulb directly, rather than a remote switch that needs to be wired externally to the unit.


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Description Price Supported Lamp Type Base Lamp Size Mount Type Material Fixing Method Number of Pins Wattage Wiring Points Length Width Wiring Type Current Rating Series
RS Stock No. 561-943
Mfr. Part No.26.422.1113.50
BrandBJB
TWD49.70
Each (In a Pack of 10)
units
Fluorescent G13 T8/T12 - PC Snap-Fit 2 660 W Bottom 24.8 mm 13 mm Push-Wire - -
RS Stock No. 171-001
Mfr. Part No.25.803.3814.00
BrandBJB
TWD442.00
Each
units
Halogen R7s R7 Screw - - - 500 W - 137 mm 42 mm - - -
RS Stock No. 561-959
Mfr. Part No.26.308.1125.50
BrandBJB
TWD43.50
Each (In a Pack of 10)
units
Fluorescent G13 T8/T12 - PC Snap-Fit 2 660 W Either Side 33 mm 19.3 mm Push-Wire - -
RS Stock No. 270-1569
Mfr. Part No.26.290.4012.50
BrandBJB
TWD41.60
Each (In a Pack of 10)
units
Fluorescent G13 T8/T12 - PC Snap-Fit 2 660 W Bottom 28.8 mm 23.6 mm Push-Wire - -
RS Stock No. 171-045
Mfr. Part No.25.105.3101.00
BrandBJB
TWD209.00
Each (In a Pack of 5)
units
Halogen GU5.3 - Clip Ceramic/Mica Plate Screw - - Rear 22.2 mm 19.3 mm - 10 A -
RS Stock No. 777-7808
BrandRS PRO
TWD230.00
Each
units
Halogen R7s - Screw Aluminium Snap-Fit 1 2.5 kW - 31.9 mm 20.5 (Dia.) mm Push-Wire 10 A -
RS Stock No. 473-8440
Mfr. Part No.1150 WHI
TWD129.00
Each
units
- - T2 - Thermoplastic - - - - 82 mm 44 mm - - -
RS Stock No. 473-8456
Mfr. Part No.1154WHI
TWD273.00
Each
units
- - - - Thermoplastic - - - - 84 mm 86 mm - - -
RS Stock No. 171-023
Mfr. Part No.25.806.3700.00
BrandBJB
TWD431.00
Each
units
Fluorescent R7s - Screw Ceramic/PPS Screw - 150 W - 45 mm 27 mm - - -
RS Stock No. 168-3977
Mfr. Part No.29MB-T
TWD56.60
Each (In a Bag of 100)
units
LED - T31/4 Panel - Bayonet - - - - 29 mm - - -
RS Stock No. 562-025
Mfr. Part No.26.514.5011.50
BrandBJB
TWD25.70
Each (In a Pack of 10)
units
- - - - PC Snap-Fit 2 660 W Either Side 33.4 mm 12.3 mm Push-Wire - -
RS Stock No. 797-2359
Mfr. Part No.294502
TWD17.90
Each (In a Pack of 10)
units
Incandescent, LED - T31/4 PCB Nylon, Phosphor Bronze Solder 2 - - 13.7 mm 7.9 mm - - -
RS Stock No. 787-1244
Mfr. Part No.1174WHI
TWD283.00
Each
units
GLS B22, BC GLS Ceiling - Screw - 150 W - 86 mm 75 mm Ceiling Rose - -
RS Stock No. 293-1136
Mfr. Part No.26.745.1331.50
BrandBJB
TWD115.00
Each (In a Pack of 5)
units
Compact Fluorescent - - Screw PBT Snap-Fit 2 26 W Rear - - Push-Wire - -
RS Stock No. 171-039
Mfr. Part No.25.104.3521.00
BrandBJB
TWD153.80
Each (In a Pack of 5)
units
Halogen - G4 Screw Ceramic/PPS Screw - - Rear 9 mm 18.6 mm - 10 A -
RS Stock No. 185-8746
Mfr. Part No.2213627-4
TWD503.00
Each (In a Box of 100)
units
- - - - - - - - - - - - 1.5 (Dimming) A, 15 (Power) A -
RS Stock No. 743-892
Mfr. Part No.47700
BrandBJB
TWD44.80
Each (In a Pack of 10)
units
Fluorescent - T12 - - Screw - - Bottom 12.5 mm 40 mm Push-Wire - -
RS Stock No. 777-7801
Mfr. Part No.26.746.1004.84
BrandBJB
TWD150.00
Each
units
Compact Fluorescent 2G11 TC-L Screw PBT Push In 4 - - 47.3 mm 45 mm Push-Wire - -
RS Stock No. 890-5925
Mfr. Part No.PCH33002
BrandVCC
TWD26.80
Each (In a Pack of 1000)
units
- - - - - - - - - - - - - -
RS Stock No. 185-9720
Mfr. Part No.2213626-1
TWD44.80
Each (In a Pack of 5)
units
- - - - - - - - - - - - 1.5 (Dimming) A, 15 (Power) A -