PrevNextNext :Basic Lighting Knowledge


Motion sensor lighting will calm your fears when it automatically lights up a dark garage, a dark sidewalk or even a dark area of your yard. Whether you’re coming home at night, have to navigate a dark, icy sidewalk or wonder about strange noises in your back yard, you’ll be safer when any nearby motion activates your outdoor lights and they switch on. Motion sensor lighting is inexpensive and easy to install.

How motion sensor work ?

Motion sensor are small electronic eyes that detect infrared waves—heat waves that radiate from moving objects. When the detector senses an object moving across its field of view—especially warmer objects such as people, animals and cars—it electronically turns on the lights. The light stays on anywhere from 1 to 20 minutes, depending on how you preset the timer. Then the detector automatically shuts the light off unless it continues to sense movement. A photocell deactivates the light during daylight hours. Most motion detectors have a semicircular field of view of up to 240 degrees and a distance range, adjustable on most detectors, that extends to 70 ft. or more. The detector will react to the movement of your dog, an approaching person, a passing car or sometimes even wind-blown leaves.

Nuisance “trips,” such as blowing leaves or a passing car, can fool the detector and turn the lights on when you don’t want them. These can be annoying to both you and your neighbors, and in fact, some homeowners won’t install motion detector lights for this reason. However, you can solve most unwanted switching-on by adjusting the distance-range setting and by carefully aiming the sensor to limit its field of view. You can also narrow the field of view even more by applying tape to the sensor, as shown in Photo 7. If nuisance trips concern you, be sure to buy a light that has an adjustable distance/range setting, and an amiable detector unit.

Motion sensor allow you to operate the light in the conventional, manual way, usually by flipping the switch off for a second, then back on. This allows you to keep the light on at night when you want to, even when there’s no motion. By double flipping a second time, you return to automatic.

Where to put them ?

For best effectiveness, position motion detector sensors to cover the walks leading to your front and back doors and the driveway. That way the lights will come on when you come home at night. You can also use them to light up decks, patios and any potentially hazardous locations such as around stairways and swimming pools.

If improved security is a priority, position the lights to cover all the approaches to your house, including fence gates, the patio door, the darker areas of your yard, and around trees and bushes. Good lighting can’t guarantee security, of course, but it’s one of the best low-cost ways to get unwanted intruders to back away.



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