... Patented EL wire product, rescue lighting safety rope for fire fighting,Traffic,Subway,Coal ... generation Patented EL wire product, rescue lighting safety rope for fire fighting,Traffic,Subway,Coal mine ... wire) and appliance power . APPLICATION FIELDA. Traffic Safety sign and guidance;TECH DATATECH DATA MODEL NO.:B100 ... removed repeatedly.5. Rotate the handle to reel the EL wire in neatly for easy pulling ...