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.

What are Lamp holders made from?

Lamp holders are generally made from plastic, ceramic or metal. This includes; brass, porcelain, PC and PBT.

How are bulbs fitted to a lamp holder?

Depending on the bulb and holder type, there are various methods. Most lamp holders are screw-in, snap-fit or push-fit. Some lamp holders are also fitted with a switch to control the power to the bulb.


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Description Price Supported Lamp Type Base Lamp Size Mount Type Material Fixing Method Number of Pins Wattage Thread Size Wiring Points Length Width Wiring Type Current Rating
RS Stock No. 293-5964
Mfr. Part No.1021E
£5.93
Each
Units
GLS B15 - Screw Brass Snap-Fit - - M10 - 38.7 mm 23.2 mm - -
RS Stock No. 171-073
Mfr. Part No.22.318.3909.90
BrandBJB
£2.242
Each (In a Pack of 5)
Units
GLS ES E27 Screw Plastic Screw, Snap-Fit 2 - - - 46 mm 40 mm Push-Wire -
RS Stock No. 293-1192
Mfr. Part No.26.514.5026.50
BrandBJB
£6.20
1 Pack of 10
Pack(s)
- - - - PC Snap-Fit 2 660 W - Either Side 34 mm 24.4 mm Push-Wire -
RS Stock No. 561-971
Mfr. Part No.26.424.1001.50
BrandBJB
£0.859
Each (In a Pack of 10)
Units
Fluorescent G13 T8 - PC Screw 2 660 W - Bottom 16.5 mm 29 mm Push-Wire -
RS Stock No. 293-1114
Mfr. Part No.26.719.U310.50
BrandBJB
£0.742
Each (In a Pack of 5)
Units
Compact Fluorescent G23 PL-S - PC Snap-Fit - - - - 25 to 31 mm 31 mm - -
RS Stock No. 715-4047
Mfr. Part No.2993-G6
£1.885
Each (In a Pack of 2)
Units
- - G4 - - - - - - - - - - -
RS Stock No. 172-6469
Mfr. Part No.2993-G6
£1.438
Each (In a Bag of 100)
Units
- - G4 - - - - - - - - - - -
RS Stock No. 293-5958
Mfr. Part No.3003E
£5.53
Each
Units
GLS B22 - Screw Brass Snap-Fit - - 1/2 in. x 26TPI - 44.7 mm 32 mm - -
RS Stock No. 293-5986
Mfr. Part No.3011E
£6.23
Each
Units
GLS B22 - Screw Brass Snap-Fit - - - - 39 mm 68.6 mm - -
RS Stock No. 293-5936
Mfr. Part No.3413E
£7.64
Each
Units
GLS B22 - Screw Brass Snap-Fit - - 1/2 in. x 26TPI - 61 mm 32 mm - -
RS Stock No. 170-985
Mfr. Part No.26.726.U310.50
BrandBJB
£0.754
Each (In a Pack of 5)
Units
Compact Fluorescent 2G11 TC-L Screw PC Snap-Fit - - - - 31 to 37 mm 43 mm - -
RS Stock No. 668-3308
Mfr. Part No.25.919.-301.51
BrandBJB
£1.604
Each (In a Pack of 5)
Units
Halogen GZ10/GU10 G9 Screw Liquid Crystal Polymer Screw - - - - 20.5 mm 18 mm - -
RS Stock No. 171-2625
Mfr. Part No.H 4653
BrandOrbitec
£8.71
1 Box of 5
Box(es)
Halogen - - - - - - - - - - - - -
RS Stock No. 715-4038
Mfr. Part No.2993-G5
£2.36
Each (In a Pack of 2)
Units
- - G4 - - - - - - - - - - -
RS Stock No. 168-3954
Mfr. Part No.2993-G5
£2.074
Each (In a Bag of 25)
Units
- - G4 - - - - - - - - - - -
RS Stock No. 511-6138
Mfr. Part No.0 601 52
BrandLegrand
£14.14
Each
Units
Batten E27 - - Porcelain Screw - - - - - - - -
RS Stock No. 562-025
Mfr. Part No.26.514.5011.50
BrandBJB
£0.56
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. 704-8412
Mfr. Part No.0 601 31
BrandLegrand
£11.30
1 Box of 5
Box(es)
- E27 E27 Cable Clamp - - - 100 W - - - - - -
RS Stock No. 293-1209
Mfr. Part No.25.809.3801.00
BrandBJB
£10.96
Each
Units
Fluorescent G12 G12 - Ceramic/PPS Screw - 150 W - - 22.5 mm 36.5 mm - -
RS Stock No. 612-9911
Mfr. Part No.3SB2908-2AA
BrandSiemens
£1.84
Each
Units
- - - - - - - - - - - - - -