Because of confirmation bias, you are likely to remember several times when the lights turn off but forget the thousands of times when the lights work as normal.
- Circuit failure
Unstable power supply, poor wire contact, or a damaged controller may cause the street light to go out.
- Environmental factor
When the ambient temperature under the street lamp is too high or too low, the electronic components inside the lamp may be affected. In addition, strong electromagnetic interference or voltage fluctuation may also influence the street light.
More reading: Street Sensor Light: How Does It Work to Save The Costs