Electrical installations of buildings—Part 4:Protection for safety—Chapter 44:Protection against overvoltages—Section 444:Protection against electromagnetic interferences(EMI) in installations of buildings
Acoustics - Determination of sound power levels of noise from air-terminal devices,air-terminal units,dampers and valves by measurement in a reverberation room
Eletrical installations of buildings—Part 5:Selection and erection of electrical equipment—Section 548:Earthing arrangements and equipotential bonding for information technology installations