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How to identify your lamps

Lamps come in a wide range of shapes and sizes.

The first thing you need to do is identify which type of lamp you have and shown here are some images of the most common types of lamps used.

GLS Lamps The most popular standard lamp, available in 3 different ranges. Standard, triple life & super service.	Candle Lamps Available in 8 different ranges. These lamps come in 2 sizes 35mm or 45mm, measurements are taken from the widest part of the lamp.
Round Lamps Available in 2 ranges, standard & super service. Also come in 2 sizes, 45mm & 95mm, measurements are taken from the widest part of the lamp.	Relfector Lamps These lamps come in 5 different sizes, 39mm, 50mm, 63mm, 80mm & 95mm. These measurements are taken from the widest part of the lamp & show the diameter of the lamp. Available in 3 ranges, standard, triple life & super service.
Par 38 Lamps Pressed Aluminium Reflector lamps available in 2 beam angles, spot or flood.	Striplights Choice of 2 sizes, 221mm or 284mm & these measurements give the overall length of the lamp. Available in 2 ranges, standard & super service.
Pygmy Lamps Available in a range of different caps.	Dichroic Lamps These lamps come in 2 sizes, 35mm & 50mm. These measurements give the diameter of the lamp. Available in 3 ranges, standard, ultra life & reflector.
Hi-spot Lamps Also known as PAR lamps, these come in screw cap only & available 5 different sizes. 50mm, 63mm, 80mm, 95mm & 120mm. These measurements give the diameter of each lamp.	Capsule Lamps These lamps come in 12 volt & 6 volt versions.
Double Ended Halogen Available in 2 sizes, 78mm & 118mm. These measurements give the overall length of the lamps.	Fluorescent Tubes Available in 3 different sizes, 16mm(T5), 25mm(T8) & 38mm(T12). These measurements give the diameter of the tube & they also come in a variety of lengths & colours. The same wattage must be replaced at all times.
Compact Fluorescent Low energy lighting available in 9 different ranges & a variety of colours. The same wattage must be replaced at all times.	Energy Saving Lamps These lamps are used in any energy saving application, domestic & commercial, retrofit for any standard cap.
2D Lamps Low energy lighting available in 2 pin & 4 pin versions & a choice of 2 colours. When replacing these lamps you must use the same wattage & pin configuration.	Halogen GU10 Par Lamps These lamps are also known as Hi-spot ES50 or Hi-spot ES63. They come in 2 sizes, 50mm & 63mm diameter, with a choice of flood or wide flood beam angles.
Metal Halide Lamps Available in single ended or double ended versions, with a choice of standard or ceramic bases.	^GO TO TOP

Identifying lamp caps

Lamps are available in a wide range of caps and the most common are shown below.

Screw Cap ES/E27 Standard screw cap measures 27mm across.	Small Screw Cap SES/E14 Small screw cap measures 14mm across.
Bayonet Cap BC/B22d Standard bayonet cap measures 22mm across.	Small Bayonet Cap SBC/B15d Small bayonet cap measures 15mm across.
Mini Edison Screw Cap MES/E10 Mini Edison screw cap measure 10mm across.	G4 G4 cap measures 4mm across & are found on capsule lamps.
GY6.35 GY6.35 cap measures 6mm across & are found on capsule lamps.	GU4 GU4 cap measures 4mm across & are found on 35mm dichroic lamps.
GU5.3 GU5.3 cap measures 5.3mm across & are found on 50mm dichroic lamps.	GU10 GU10 cap measure 10mm across & are found on Hi-spot ES50 & ES63 lamps in the halogen par lamp range.
2G11 2G11 is a 4 pin lamp base found on compact L lamps.	G23 G23 is a 2 pin lamp base found on compact S lamps.
2G7 2G7 is a 4 pin lamp base found on compact SE lamps.	G24d G24d is a 2 pin lamp base found on compact D lamps.
G24q G24q is a 4 pin lamp base found on compact DE lamps.	GX24d GX24d is a 2 pin lamp base found on compact T lamps.
GX24q GX24q is a 4 pin lamp base found on compact TE lamps.	^GO TO TOP

Lamp wattage

Lamps are available in a wide range of wattages, ranging from 1 watt all the way through to 10,000 watt lamps. Most lamps have wattages written on the body of the lamp. For fluorescent it is advised you replace lamps with identical wattages.

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Choosing the lamp finish and colour

Lamps also come in a variety of finishes and shades of colour.

Pearl Gives a soft, diffused light.	Clear Gives a clear and bright light.
Opal A coated finish on the bulb gives a softer diffused light	Frosted A thicker coating to the opal bulb, giving an even more diffused and softer light.
Coloured Most of the lamps shown in this catalogue are available in a range of colours.	Daylight The finish on these lamps give a virtual daylight output of colour.

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Fluorescent Colours

Fluorescent Tube Colours Ã? Standard
Standard fluorescent tubes are used in all general lighting applications. All fluorescent colours are found written on the tube next to the wattage.

White 35 or 23 This produces a standard white light.	Warm White 29 or 30 This produces a welcoming & friendly white light.
Cool White 33 or 20 This produces a brighter white light.

Fluorescent Tube Colours Ã? Triphosphor
Triphosphor tubes offer a more efficient alternative to standard fluorescent tubes. They produce a better quality of light & give a better colour rendering & also offering power savings. All fluorescent colours are found written on the tube next to the wattage.

Extra Warm White 827 This produces a very warm shade of white.	Warm White 830 This produces a warm shade of white.
White 835 This produces a traditional standard white finish.	Cool White 840 This is the coolest of the colours which gives a clinical finish.
Daylight 860 This produces a natural daylight effect.

Compact Fluorescent Colours
All fluorescent colours are found written on the lamp next to the wattage

Extra Warm White 827 This produces a very warm shade of white.	Warm White 830 This produces a warm shade of white.
White 835 This produces a traditional standard white finish.	Cool White 840 This is the coolest of the colours which gives a clinical finish.

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Identifying lamp information

Each lamp or tube will have their wattage, cap, size and colour displayed on the side of them. This information will help us identify the exact lamp or tube that you require. The pictures below are a small range to show how to translate the information on your lamps.

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What are Beam Angles?

The measurement of the width of the light beam. The angle is defined by the outer limits of the beam where the light intensity declines to 50% of the maximum. Beam Angles Spot (SP) = 10 degrees Flood (FL) = 24 degrees Wide Flood (WFL) = 38 degrees Very Wide Flood (VWFL) = 60 degrees

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