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August 8, 2012
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A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared light radiating from objects in its field of view. All objects omit heat in the form of infrared radiation, usually this light is invisible to the human eye, but it can be detected by electronic devices designed for such purposes.  A PIR

July 24, 2012
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When you’re furnishing your home, light is everything. The light level in a room dictates what you can and can’t do, and it has a huge effect on how you feel. You can’t read very easily by a single candle, for example, and a romantic dinner for two isn’t so romantic under a 1,500-watt halogen lamp. People need to

July 12, 2012
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Storage heaters are typically composed of clay bricks which serves as a heat storage. There are electrical heating elements embedded between the bricks which can be switched on to heat the bricks and thus to store energy.  The stored heat is given off continuously (through thermal radiation and convection. To speed up the heat transfer, storage heaters

July 3, 2012
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Electricity is made at a power plant by huge generators. Most power plants use coal, but some use natural gas, water or even wind.  The current is sent through transformers to increase the voltage to push the power long distances.  The electrical charge goes through high-voltage transmission lines that stretch across the country.  It reaches

March 19, 2012
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Clever and strategic use of outdoor lighting highlights your garden’s best features. Well placed illumination draws the eye outwards, so that your home benefits from an added sense of space whatever the weather Call John (087) 7414362 – Electrician Dublin

March 2, 2012
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Be creative with your home lighting. A carefully designed lighting system can alter the whole ambiance of your home. These days, there are a lot more options available than the central pendant light. I can advise you on the huge choice of dynamic and energy-efficient lighting arrangements that will enhance your home. Call John (087) 7414362 –