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Editor's note: This story was originally published in 2019. We are republishing it as part of our winter coverage. Bitter-cold temperatures can make your home do strange things in the winter months.
A street lamp mounted on a bracket and column A high pressure sodium street light fixture. Street light interference, sometimes called high voltage syndrome, is the claimed ability of individuals to turn street lights or outside building security lights on or off when passing near them. [1]
To house this device, he decided on a 2-inch round device with one end capable of being screwed into a light bulb socket and the other end able to receive a light bulb. [ 4 ] When solid-state dimmers came into use, analogue remote control systems (such as 0-10 V lighting control systems) became feasible.
To define light source color properties, the lighting industry predominantly relies on two metrics, correlated color temperature (CCT), commonly used as an indication of the apparent "warmth" or "coolness" of the light emitted by a source, and color rendering index (CRI), an indication of the light source's ability to make objects appear natural.
In some U.S. states, more than 40% of residents report having to cut back on basic necessities to afford their electricity bill, survey finds.
Running Bandit Costume If the thrill of running and robbing isn't enough to warm you up, the long-sleeved shirt, leggings, knit beanie, and gloves sure will! This costume can easily be recreated ...
Dimming fluorescent ballasts and dimming LED drivers often use 0–10 V control signals to control dimming functions. In many cases, the dimming range of the power supply or ballast is limited. If the light output can only be dimmed from 100% down to 10%, there must be a switch or relay available to kill power to the system and turn the light ...
When the sun's light is blocked during a solar eclipse, we canobserve changes in the weather on Earth," read the post from the weather service describing the solar eclipse's impact on weather.