Transformers for tubular discharge lamps having a no-load output voltage exceeding 1000 V (generally called neon-transformers). General and safety requirements
State system for ensuring the uniformity of measurements. Optical power meters, optical radiation sources, return loss meters and optical testers for fiber-optical transfer systems. Verification method
Household and similar electrical appliances. safety. Part 2-6. Particular requirements for stationary cooking ranges, hobs, ovens and similar appliances
