- \n
- Light Bulb Terminology<\/a>\n\n<\/li>\n
- Why Energy-Efficient Light Bulbs?<\/a>\n\n<\/li>\n
- Types of Light Bulb<\/a>\n\n\n<\/li>\n\n<\/li>\n\n<\/li>\n\n<\/li>\n\n
- LED Light Bulbs<\/a>\n<\/li><\/ul>
With an almost overwhelming amount of different light bulbs on the market, choosing the right light bulb for your light fitting or interior can be confusing. Our buyer’s guide aims to dispel the industry jargon and offer simple facts.<\/p>
Light Bulb Terminology<\/h2>
Watts<\/strong><\/p>
This is a simple measure of electricity usage. Traditional incandescent bulbs typically come in 40, 60, or 100 watts. The light fitting should advise the maximum wattage bulb required, and you should never exceed this as excessive heat can cause fires.<\/p>
It’s important to remember the wattage doesn’t always determine the light output. If you’re replacing an incandescent bulb with an energy-efficient bulb, the wattage will be greatly reduced. Typically a 7, 11, or 13 watts bulb will produce similar light output.<\/p>
Lumens<\/strong><\/p>
The light output from a light bulb is measured in lumens. Modern light bulbs should state their lumen output to help you decide the correct light bulb for your room.<\/p>
Life<\/strong><\/p>
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The average lifetime of a light bulb is measured in hours. All modern bulbs should have their average lifespan stated on their box. Traditional incandescent light bulbs typically have a life span of 750 hours, while energy-efficient CFL light bulbs have a longer life of 10,000 hours<\/p>
Why Energy-Efficient Light Bulbs?<\/h2>
Compact fluorescent lamps offer many advantages over traditional incandescent light bulbs. They have a much longer lifespan and consume up to 75% less energy, with lighting responsible for around 30% of the average home’s energy bill, there is room to save a significant amount of money by switching over to CFL.<\/p>
However, CFL light bulbs have their drawbacks too, they have been known to take up to several minutes to achieve their full brightness, and their light quality can be poor, producing stark clinical white light. The good news is most of these limitations have been resolved. The latest CFL light bulbs warm up within seconds and are available in a wide array of color temperatures with great color rendition.<\/p>
It has been calculated if every person across the UK switched to energy-saving CFL lamps, we could reduce the amount of carbon dioxide released by 2.3 million tonnes every year, so with all these benefits, there isn’t any reason not to switch. <\/p>
Types of Light Bulb<\/h2>
Incandescent Light Bulbs<\/h3>
These are the traditional bulbs which would have been found in every household across the country 20 years ago, they were invented over 100 years ago and work by passing electricity through a filament inside the bulb which produces light, and if you’ve ever touched one after it has been on for a while you will know it produces a lot of heat this makes them highly energy inefficient.<\/p>
Depending on the light fitting lamps are available in a range of caps<\/p>
Bayonet Cap (BC)<\/p>
Edison Screw (ES)<\/p>
Small Bayonet cap (SBC)<\/p>
Small Edison Screw (SES)<\/p>
Incandescent light bulbs are available in a range of wattages<\/p>
40-watt = 450 lumens (average light output)<\/p>
60-watt = 800 lumens (average light output)<\/p>
75-watt = 1,100 lumens (average light output)<\/p>
100-watt = 1,600 lumens (average light output)<\/p>
150-watt = 2,600 lumens (average light output)<\/p>
They are available in a range of styles. See the more common variants below<\/p>
A-line<\/strong><\/p>
This is the classic light bulb shape and the most common type of bulb, and these come in a range of colors and finishes.<\/p>
Reflector<\/strong><\/p>
Used in fittings that focus light on a specific subject like spotlights or recessed lights.<\/p>
Globe lamp<\/strong><\/p>
Light is defused from the bulb, making them perfect for use in pendant lights and fitting that does not have a shade.<\/p>
Torpedo lamp<\/strong><\/p>
Common in table lamps and wall sconces.<\/p>
Compact Fluorescent Lights (CFL)<\/h3>
These energy-efficient lamps are becoming more and more common as the cost of bulbs continues to fall while the quality continues to improve. With the potential to make significant savings on your energy bills, if you haven’t switched over the CFL lights yet there really isn’t a reason to hold back.<\/p>
CFL lamps are available across a range of wattages and require fewer watts to produce the same lumen output as a traditional light bulb<\/p>
9 to 13 watt CFL = 450 lumens (average light output)<\/p>
13 to 15 watt CFL = 800 lumens (average light output)<\/p>
18 to 25 watt CFL = 1,100 lumens (average light output)<\/p>
23 to 30 watt CFL = 1,600 lumens (average light output)<\/p>
30 to 52 watt CFL = 2,600 lumens (average light output)<\/p>
Energy-efficient lamps are available in a range of styles and most caps<\/p>
A-line CFL<\/strong><\/p>
Styled on the classic light bulb, these can be swapped directly with existing incandescent light bulbs.<\/p>
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PIR-Bewegungssensoren<\/p><\/a><\/div><\/div>
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Kabellose Bewegungssensor-Kits<\/p><\/a><\/div><\/div><\/div><\/div>
3-way CFL<\/strong><\/p>
Made specifically for table lamps.<\/p>
Dimmable CFL<\/strong><\/p>
Works with existing dimmer circuits and lasts 13 longer than an incandescent light bulb.<\/p>
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