ČSN EN IEC 60704-2-7 ed. 2
Elektrické spotřebiče pro domácnost a podobné účely - Zkušební předpis pro určení hluku šířeného vzduchem - Část 2-7: Zvláštní požadavky na ventilátory

ČSN EN IEC 60704-2-7 ed. 2

This document applies to electrical fans (including their accessories and their component parts) for household and similar use, designed for AC or DC supply.
The motor, the impeller and their housing, if any, form a single unit.
These particular requirements apply to:
conventional fans,
table fans,
pedestal fans,
ceiling fans,
bladeless fans,
wall bracket fans,
ceiling bracket fans,
louver fans,
tower fans,
ventilating and partition ventilating fans.
This standard does not apply to:
fans that are part of a ventilation system,
fans designed exclusively for industrial purposes,
fans that are part of an appliance (for example cooling fans),
fans with additional functions (for example heating, humidifying).