Why Do Energy Saving Light Bulbs Glow In The Dark

Short of rewiring your lighting one solution is to stick something in the circuit to mop up this unwanted voltage. If the bulb continues to glow weakly after removal it is due to the luminescent layer or the led driver.

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The most common cause is that your lights are on a two way circuit or dimmer circuit.

Why do energy saving light bulbs glow in the dark. 4 reasons to use energy saving light bulbs in saving money on august 31 2010 by staff writer energy saving light bulbs may cost more than traditional incandescent light bulbs but there are a number of compelling reasons to spend the extra money initially on the energy saving versions. You can easily check this by removing the illuminant from the socket immediately after turning off the light switch. The first two reasons can be found in the led light itself.

With those types of circuits even though the switch is turned off you still get a tiny trickle of electricity through. Not enough to fully trigger the bulb to light but enough to make it glow. Led light stores energy.

When you cut off the current it stops heating the filament so it cools down fairly rapidly but there may be enough residual heat for a faint glow lasting a little while afterwards. There is the original incandescent bulb that thomas edison invented with the wonderful orange glow we all grew up with and then there are the newer. If it s an incandescent bulb it s because the whole operating principle of the bulb is based on getting the filament really hot hot enough to glow.

Light emitting diode bulbs are made of a cluster of diodes that give off light when electricity passes through them. Led lamps are different though and in some cases that current may just be enough to actuate the circuitry in your lamp and cause it to glow albeit dimly when the light switch is off. Mostly they work okay and the light they produce is vastly better than fluorescent bulbs plus the power savings if true seem impressive but some of them emit a dull glow when switched off.

The dark side of energy saving light bulbs. Electricity excites a gas inside the bulb that releases ultraviolet radiation which causes a coating on the inside of the tube to glow.

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