Deals with the safety of electric floor treatment and wet scrubbing machines intended for household and similar purposes, whose rated voltage is not more than 250 V. 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 by laymen in shops, in light industry and on farms fall within the scope of this standard. So far as practicable, this standard deals with the common hazards presented by appliances which are encountered by everyone in and around the home.