El wire (abbreviated from Electroluminescent wire) is a thin wire which often powered by batteries. You can find it in a large applications, such as for clothing and  costumes decoration, vehicle’s safety lighting. Unlike other types of string lights, EL wire is unbroken and thin and flexible. So it can be twisted into multi shapes. Because of these factors, EL wire is getting more and more popular among artists, dancers, and similar creative communities, such as exhibited in the annual Burning Man alt-culture festival.