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Light Bulb Fitting Guide

Bayonet Screw Bi-Pin
Base B15 B22 E14 E27 G4 GU4 GU5.3 GU10
Also known as Small Bayonet Cap (SBC) Bayonet Cap (BC) Small Edison Screw (SES)
Common Use

Candle, Golf & Pygmy Light bulbs.

Pendants, Table Lamps, Floor Lamps, Flush Fittings, Widely used.

Chandeliers & Lamps. Most commonly used in Candle light bulbs.

Pendants, Table Lamps, Floor Lamps, Flush Fittings, Widely used.

Specialist lighting.

Specialist lighting.

Spot lights, Display Cabinets, Downlights.

Downlighting, spot lights, track lights.

Dimensions

15mm Diameter

 22mm Diameter

 14mm Diameter

 27mm Diameter

4mm distance between pins

9mm distance between pins

5.3mm distance between pins

 10mm distance between pins, Twist lock

Voltage

 240v (Mains Voltage)

240v (Mains Voltage)

 240v (Mains Voltage)

 240v (Mains Voltage)

 12v (Low Voltage)

 240v (Mains Voltage)

 12v (Low Voltage)

 240v (Mains Voltage)