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Light Bulb Cap Fittings

Standard Light Bulb Caps

The majority of General Lighting Service(GLS), globe, candle and spiral light bulbs come with either a bayonet of screw fitting. The bayonet fitting has been the most common in the UK and the screw fitting originally in Europe but now also becoming popular in the UK. There are 4 main types.




Large Bayonet: This cap fitting is known as the BC or B22 and is a large bayonet fitting with an approximate diameter of 22mm

CLICK HERE TO BUY BAYONET CAP LIGHT BULBS



Small Bayonet: This cap fitting is known as the SBC or B15 and is a large bayonet fitting with an approximate diameter of 15mm

CLICK HERE TO BUY BAYONET CAP LIGHT BULBS



Large Screw:This cap fitting is known as the ES or E27 and is a large screw fitting with a diameter of approximately 27mm

CLICK HERE TO BUY EDISON SCREW (ES/SES) LIGHT BULBS



Small Screw:This cap fitting is known as the SES or E14 and is a large screw fitting with a diameter of approximately 14mm

CLICK HERE TO BUY EDISON SCREW (ES/SES) LIGHT BULBS

Spot Light Caps

Spot light fittings tend to be one of 2 types:-




GU5.3: The GU5.3 cap for the MR16 low voltage lamp has 2 thin pins 5.3mm apart on the base of the lamp which push straight into the fitting

CLICK HERE TO BUY MR16 SPOTLIGHT BULBS



GU10: The GU10 cap fitting which is a mains voltage lamp fitting which has 2 pins with large ends. To insert these lamps, you place in the holder and turn slightly clockwise to lock in position.

CLICK HERE TO BUY GU10 SPOTLIGHT BULBS

Push Fit

These cap fittings are on the mains push fit lamps and have unique fittings for differnt lamp wattages and types. They are to prevent the wrong lamps from being fitted




G23: This is push fit with a square end and 2 pins spaced 23mm apart

CLICK HERE TO BUY G23 PUSH FIT LAMPS



2G7: This is a push fit with 4 pins in a row

CLICK HERE TO BUY G27 PUSH FIT LAMPS



G24D: This is a push with a square end and 2 pins

CLICK HERE TO BUY G24D PUSH FIT LAMPS



G24Q: This is a push with a square end and 4 pins

CLICK HERE TO BUY 2PIN & 4PIN PUSH FIT LAMPS



GX24D and GX24Q: These are variations on the G24D and G24Q for triple turn CFLs

CLICK HERE TO BUY G24Q PUSH FIT LAMPS

2D lamps



GR8: This is a 2 pin fitting generally used on 2D LEDs and CFLs

CLICK HERE TO BUY GR8 2D LIGHTS



GR10q: This is a 4 pin fitting generally used on 2D LEDs and CFLs

CLICK HERE TO BUY GRQ10 2D LIGHTS

LED/ Halogen Capsules and Tubes



G4: This fitting is on low voltage capsules with the pins 4mm apart

CLICK HERE TO BUY G4 CAPSUL BULBS



G6.35: This fitting is on low voltage capsules with the pins 6.35mm apart

CLICK HERE TO BUY G6.35 CAPSUL BULBS



G9: This fitting is on mains voltage capsules with 2 pins

CLICK HERE TO BUY G9 CAPSUL BULBS



R7: These fittings are standard on J118 (118mm long) and J78 (78mm long) halogen and LED tubes

CLICK HERE TO BUY G7 TUBE

LED Tubes



G13: These fittings are standard on T8 and T12 tubes

CLICK HERE TO BUY G13/T8 LED TUBE

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