DS EN 50107-1:2007 Signs And Luminous-Discharge-Tube Installations Operating From A No-Load Rated Output Voltage Exceeding 1 Kv But Not Exceeding 10 Kv - Part 1: General Requirements Defines the requirements and method of installation for signs and luminous-discharge-tube installations operating from a no-load rated output voltage exceeding 1000 V, but not exceeding 10000 V, inclu