4 Things to Know About Lighted Extension Cords
The light only shows power is present It indicates the outlet has power and the cord is connected. It does not mean the cord is safe or undamaged.
A lit cord can still be dangerous A frayed or damaged cord can light up right until it shorts out. The light is not a safety indicator.
The light is useful for dim areas It helps you quickly see if an outlet is live. That is its only practical benefit.
Do not pay extra for the light It is a nice bonus, not a reliability upgrade. Check for cuts, kinks, and proper gauge separately.