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. 220-3071
Mfr. Part No.140188
BrandOrbitec
£0.232
Each (In a Pack of 10)
Units
- E14 E14 Screw Thermosetting Resin Screw - 60 W - - - - - -
RS Stock No. 293-1057
Mfr. Part No.22.702.-806.50
BrandBJB
£0.976
Each (In a Pack of 5)
Units
Compact Fluorescent - - - Plastic - - - - - 11.5 mm 57 mm - -
RS Stock No. 220-3093
Mfr. Part No.140129
BrandOrbitec
£0.338
Each (In a Pack of 10)
Units
- E27 E27 Screw Copper Alloy Screw - 60 W - - - - - -
RS Stock No. 293-5970
Mfr. Part No.3023E
£7.03
Each
Units
GLS B15 - Screw Brass Snap-Fit - - 1/2 in. x 26TPI - 38.7 mm 23.2 mm - -
RS Stock No. 171-023
Mfr. Part No.25.806.3700.00
BrandBJB
£9.57
Each
Units
Fluorescent R7s - Screw Ceramic/PPS Screw - 150 W - - 45 mm 27 mm - -
RS Stock No. 141-4141
Mfr. Part No.217
BrandStucchi
£1.61
Each
Units
Halogen - G6.35 - Steatite - - - - - 28 mm 17 mm - -
RS Stock No. 473-8440
Mfr. Part No.1150 WHI
£2.87
Each
Units
- - T2 - Thermoplastic - - - - - 82 mm 44 mm - -
RS Stock No. 715-4040
Mfr. Part No.2964-8B
£1.094
Each (In a Pack of 5)
Units
LED - - - - - - - - - - - - -
RS Stock No. 168-3955
Mfr. Part No.2964-8B
£0.959
Each (In a Bag of 25)
Units
LED - - - - - - - - - - - - -
RS Stock No. 777-7801
Mfr. Part No.26.746.1004.84
BrandBJB
£3.34
Each
Units
Compact Fluorescent 2G11 TC-L Screw PBT Push In 4 - - - 47.3 mm 45 mm Push-Wire -
RS Stock No. 787-1244
Mfr. Part No.1174WHI
£6.29
Each
Units
GLS B22, BC GLS Ceiling - Screw - 150 W - - 86 mm 75 mm Ceiling Rose -
RS Stock No. 499-093
Mfr. Part No.140561
BrandOrbitec
£10.26
1 Bag of 5
Bag(s)
- B22 - - Plastic Bayonet - 150 W - - - - - -
RS Stock No. 293-1186
Mfr. Part No.26.515.5301.50
BrandBJB
£0.578
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. 392-9229
Mfr. Part No.24.901.-301.50
BrandBJB
£0.724
Each (In a Pack of 5)
Units
- BC - Shroud PBT Snap-Fit - - - - - - - -
RS Stock No. 743-892
Mfr. Part No.47700
BrandBJB
£0.995
Each (In a Pack of 10)
Units
Fluorescent - T12 - - Screw - - - Bottom 12.5 mm 40 mm Push-Wire -
RS Stock No. 612-9927
Mfr. Part No.3SB2908-2AB
BrandSiemens
£2.47
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 797-2353
Mfr. Part No.29MB-T
£1.706
Each (In a Pack of 5)
Units
LED - T31/4 Panel - Bayonet - - - - - 29 mm - -
RS Stock No. 168-3977
Mfr. Part No.29MB-T
£1.267
Each (In a Bag of 100)
Units
LED - T31/4 Panel - Bayonet - - - - - 29 mm - -
RS Stock No. 148-3507
Mfr. Part No.451/V
BrandStucchi
£3.13
Each
Units
Fluorescent - 2G7 - PBT - - 660 W - - 40 mm 38.9 mm - -
RS Stock No. 700-2915
Mfr. Part No.P11127
BrandSIB
£1.51
Each
Units
- - E27 - - - - - - - 75 mm 75 mm - -