Electromagnetic compatibility of technical equipment. Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz. Part 2-1. Mains communications equipment and systems operating in the range of frequencies 95 kHz to 148,5 kHz intended for use in residential, commercial and light industrial environments. Immunity requirements and test methods
Vessels and apparatus. Norms and methods of strength calculation. Rated strength calculation of column type apparatuses from wind loads and seismic influence
Safety of household and similar electrical appliances. Part 2-17. Particular requirements for blankets, pads, clothing and similar flexible heating appliances
