This standard specifies the electric humidifiers, used at single phase a.c. electric source and which have rated humidifying capacity of not more than 15 l/h, from the electric humidifying containers or electric humidifiers (hereinafter referred to as "humidifier") used to increase indoor relative humidity (hereinafter referred to as "humidity" ) for domestic and office use. Remark 1. For compound type, the humidifying shall be main function. 2. Humidifier to be mounted to an appliance is not applicable.
b