MUST READ

Football Cards

My Magical Bus

Football Cards

Teacher for a Day

Football Cards

September 16, 2026

Ask Us

How Do Automatic Street Lights Turn on at Dusk and Off at Dawn?

byStaff Reporter

Automatic street lights turn on at dusk and off at dawn using a small sensor that checks how bright it is outside.

How Do Automatic Street Lights Turn on at Dusk and Off at Dawn?

Automatic street lights turn on at dusk and off at dawn using a small sensor that checks how bright it is outside. This sensor is called a photocell sensor. During the day, when there is plenty of sunlight, the sensor notices that it is bright and keeps the street lights switched off to save electri

Subscribe or login

to read this article and more!

How can I help you? CHAT WITH US