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Useful | Why LEDs?

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LIght colors in Kalvin

LIght colors in Kalvin

Light Output — Making sure it’s bright enough

The energy savings are significant, and that means lower electricity bills. Light output is measured in lumens at the light source. To determine if the light is bright enough, be sure that it produces sufficient lumens to meet your needs. Ask your lighting supplier for advice on how much light you need for different parts of your home.

Incandescent Bulb Wattage	Light Output in Lumens
60 watt	870–890
75 watt	1,190–1,200
100 watt	1,680–1,750

Color Temperature — Specify the light color you want

Different light bulbs emit different colors of light. Lighting color ranges from cool to warm tones, and is known as color temperature. The color temperature of a light source indicates the color of the light emitted measured in degrees Kelvin. Color Temperature is not an indicator of lamp heat. The chart below shows a range of color temperatures, from warm to cool.

Color Rendering — Accurate color replication

Color rendering index (CRI) is a measure of how accurately an artificial light source displays colors. CRI is determined by comparing the appearance of a colored object under an artificial light source to its appearance under incandescent light. The higher the CRI, the better the artificial light source is at rendering colors accurately. High (above 80) CRI is preferred in the home.

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Light quality and CRI

Light quality and CRI

Fluorescent

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.

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.

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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Fluorescent tubes colors

Fluorescent tubes colors

Finish and Color

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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Bulb Finish and color

Bulb Finish and color

Bulb Types

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.	Refector 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 measurement give the diameter of the lamp. Available in 3 ranges, standard, ultra life & reflekto.
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.

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All bulb types

All bulb types

Identifying Lamp Caps

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.

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All bulb bases-caps

All bulb bases-caps

Lamp Wattage Comparison

Incandescent CFL Halogen LED High Pressure Sodium Approximate Lumen Range 12-15W 1.3W 25W 5-6W 25W 3W 30W 7-9W 40W 9-13W 50W 5W 450lm 60W 13-15W 60W 7W 800lm 75W 18-25W 9W 1100lm 100W 23-30W 13W 1600lm 150W 30-52W 2600lm 150W 40W 35W 150-250W 2500lm 70W 250-300W 5000lm 140W 300-400W 10000lm 210W 400-450W 15000lm 224W 450-550W 20000lm

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Lamp Wattage comparison

Lamp Wattage comparison

Colour Temperature Char

Colour temperature is a standard method of describing colours for use in a range of situations and with different equipment. Colour temperatures are normally expressed in units called kelvins (K). Note that the term degrees kelvin is often used but is not technically correct (see below).     Colour Temp °K Colour Code Common Description(s) Comments 2700 827 Warm White, Very Warm White Similar light to 'normal' incandescent bulbs, giving a warm 'cosy' feel 3000 830 Warm White The colour of most halogen lamps. Appears slightly 'whiter' than ordinary incandescent lamps. 3500 835 White The standard colour for many fluorescent and compact fluorescent tubes. 4000 840 Cool White Gives a more clinical or 'high tech' feel. 6000 860 Daylight Fluorescent or compact fluorescent lamps simulating natural daylight. 6500 865 Cool Daylight Extremely 'white'; light used in specialist daylight lamps.

 

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Color Chart Kelvin for bulbs

Color Chart Kelvin for bulbs