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 Voltage Rating
RS Stock No. 482-3728
Mfr. Part No.29.311.3700.00
BrandBJB
$12.068
Each (In a Pack of 5)
units
GLS, HID E27 - Screw Porcelain Screw - - - 46 mm 44.5 mm - - -
RS Stock No. 171-001
Mfr. Part No.25.803.3814.00
BrandBJB
$37.20
Each
units
Halogen R7s R7 Screw - - - 500 W - 137 mm 42 mm - - -
RS Stock No. 715-4047
Mfr. Part No.2993-G6
$4.615
Each (In a Pack of 2)
units
- - G4 - - - - - - - - - - 250 V
RS Stock No. 172-6469
Mfr. Part No.2993-G6
$3.06
Each (In a Bag of 100)
units
- - G4 - - - - - - - - - - 250 V
RS Stock No. 168-3954
Mfr. Part No.2993-G5
$4.50
Each (In a Bag of 25)
units
- - G4 - - - - - - - - - - 250 V
RS Stock No. 171-045
Mfr. Part No.25.105.3101.00
BrandBJB
$11.38
Each (In a Pack of 5)
units
Halogen GU5.3 - Clip Ceramic/Mica Plate Screw - - Rear 22.2 mm 19.3 mm - 10 A 50 V
RS Stock No. 270-1569
Mfr. Part No.26.290.4012.50
BrandBJB
$2.902
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. 715-4038
Mfr. Part No.2993-G5
$5.505
Each (In a Pack of 2)
units
- - G4 - - - - - - - - - - 250 V
RS Stock No. 293-1209
Mfr. Part No.25.809.3801.00
BrandBJB
$32.10
Each
units
Fluorescent G12 G12 - Ceramic/PPS Screw - 150 W - 22.5 mm 36.5 mm - - -
RS Stock No. 171-023
Mfr. Part No.25.806.3700.00
BrandBJB
$35.30
Each
units
Fluorescent R7s - Screw Ceramic/PPS Screw - 150 W - 45 mm 27 mm - - -
RS Stock No. 168-3955
Mfr. Part No.2964-8B
$2.05
Each (In a Bag of 25)
units
LED - - - - - - - - - - - - -
RS Stock No. 715-4040
Mfr. Part No.2964-8B
$2.588
Each (In a Pack of 5)
units
LED - - - - - - - - - - - - -
RS Stock No. 293-1186
Mfr. Part No.26.515.5301.50
BrandBJB
$1.418
Each (In a Pack of 10)
units
- - - - PC Snap-Fit 2 660 W Either Side 27.3 mm 20.4 mm Push-Wire - -
RS Stock No. 612-9911
Mfr. Part No.3SB2908-2AA
BrandSiemens
$6.43
Each
units
- - - - - - - - - - - - - -
RS Stock No. 293-1192
Mfr. Part No.26.514.5026.50
BrandBJB
$1.955
Each (In a Pack of 10)
units
- - - - PC Snap-Fit 2 660 W Either Side 34 mm 24.4 mm Push-Wire - -
RS Stock No. 171-039
Mfr. Part No.25.104.3521.00
BrandBJB
$8.962
Each (In a Pack of 5)
units
Halogen - G4 Screw Ceramic/PPS Screw - - Rear 9 mm 18.6 mm - 10 A 50 V
RS Stock No. 562-025
Mfr. Part No.26.514.5011.50
BrandBJB
$1.363
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. 473-8456
Mfr. Part No.1154WHI
$14.02
Each
units
- - - - Thermoplastic - - - - 84 mm 86 mm - - 250 V
RS Stock No. 170-985
Mfr. Part No.26.726.U310.50
BrandBJB
$2.924
Each (In a Pack of 5)
units
Compact Fluorescent 2G11 TC-L Screw PC Snap-Fit - - - 31 → 37 mm 43 mm - - -
RS Stock No. 743-892
Mfr. Part No.47700
BrandBJB
$2.44
Each (In a Pack of 10)
units
Fluorescent - T12 - - Screw - - Bottom 12.5 mm 40 mm Push-Wire - -