BS EN IEC 60335-2-111:2019

What is BS EN IEC 60335-2-111 - Safety requirements for electric ondol mattress about?  

BS EN IEC 60335-2-111 specifies safety and particular requirements for electric ondol mattress with a non-flexible heated part.  
Note1: BS EN IEC 60335-2-111 deals with the safety of electric ondol-mattresses for household and similar purposes, their rated voltage being not more than 250 V. 
Note2: BS EN IEC 60335-2-111 applies to control units supplied with the appliance. 
Note3: Appliances not intended for normal household use, but which nevertheless may be a source of danger to the public, such as appliances intended to be used in community spas or by persons in cold ambient temperatures, are within the scope of BS EN IEC 60335-2-111 . 
Note4: As far as is practicable, BS EN IEC 60335-2-111 deals with the common hazards presented by appliances that are encountered by all persons in and around the home. 
Note5: BS EN IEC 60335-2-111 does not apply to: 

Appliances intended exclusively for industrial purposes 
Appliances intended to be used in locations where special conditions prevail, such as the p...