answersLogoWhite

0

It's a sensor that "tells" the lamp that it's getting dark

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

Was there street lamps in Elizabethan times?

Yes, there were street lamps in Elizabethan times, although they were not as widespread or advanced as modern street lighting. Most cities relied on oil lamps, often placed on posts or brackets, to illuminate streets during the night. However, the coverage was limited, and many areas remained dark, leading to safety concerns and the need for watchmen to patrol at night. The use of street lighting became more common in the following centuries as urban areas expanded.


What is automatic solar street light?

Solar street lights are raised light sources which are powered by solar panels generally mounted on the lighting structure or integrated into the pole itself. The solar panels charge a rechargeable battery, which powers a fluorescent or LED lamp during the night. Most solar lights turn on and turn off automatically by sensing outdoor light using solar panel voltage. Solar streetlights are designed to work throughout the night. Many can stay lit for more than one night if the sun is not in the sky for an extended period of time.


What turns the street light on and off?

Most street lamps have a sensor to trigger it on and off. When it gets dark, the light turns on. When it's light, it turns on. Lasers can turn them off at night because the beam is so bright.


How do you make lamps that turn on at night in Minecraft?

You could hook up Redstone lamps to daylight sensors.


Is any Advantage light on highway?

A street light, lamppost, street lamp, light standard, or lamp standard is a raised source of light on the edge of a road or walkway, which is turned on or lit at a certain time every night. Modern lamps may also have light-sensitive photocells to turn them on at dusk, off at dawn, or activate automatically in dark weather. In older lighting this function would have been performed with the aid of a solar dial. It is not uncommon for street lights to be on poles which have wires strung between them, or mounted on utility poles.


Are night insects attracted to lamps because of the heat?

YES


Why sodium vapour lamps are used as street light instead of simple tube light?

Sodium lighting is more efficient to run than white lights, and it gives an even light with less glare.


Does the clock change automatically for GMT on e class Mercedes?

I have a E280 CDI, the clock changed itself today! It turned itself back an hour during the night... Well pleased with this motor, I'd buy another


When was Night Across the Street created?

Night Across the Street was created in 2012.


How did people in AD1200 read at night?

They used candles or oil lamps.


Are night insects attracted to lamps because heat or light?

light


Outdoor Table Lamps ?

form_title= Outdoor Table Lamps form_header= Keep light at night with outdoor table lamps? Do you need to install wiring?*= () Yes () No What color lamps do you want?*= _ [50] How many lamps do you want?*= {1, 2, 3, 4, 5, More than 5}