Electric Light
Electric Lamp
noun
An electricity lamp is exactly what it sounds like: an electric light or electric lamp.
電灯 is a slightly technical word that broadly refers to electrical lighting. It can include many kinds of lighting devices, such as light bulbs, fluorescent lamps, streetlights, and flashlights, but it's most commonly used for a fixed light that illuminates a room or street.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
夜になると、通りの電灯がともります。
At night, the streetlights come on.
電灯が切れてしまったんだよ。
The light burned out.
最後にオフィスを出る人は、電灯を消すのを忘れないでください。
Whoever leaves the office last, please don't forget to turn off the lights.
電灯の光に、小さな虫が集まっていた。
Small insects gathered around the electric light.