General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS). Part 4-1. General functional safety requirements for products intended to be integrated in HBES and BACS
Fixed capacitors for use in electronic equipment. Part 14. Sectional specification. Fixed capacitors for electromagnetic interference suppression and connection to the supply mains
Oscillator, modulator and regulation tubes with anode dissipated power above 25 W. Method of measurement of leakage currents between electrodes and between cathode and heater