This standard mainly applies to vinyl cords and vinyl captire cords (hereinafter referred to as cords) insulated with a compound made of vinyl chloride resin (hereinafter referred to as vinyl), which is used mainly indoors for small electric appliances that operate at 300 VAC or less. ). Note: The corresponding international standards for this standard are shown below. The symbols representing the degree of correspondence are IDT (matched), MOD (modified), and NEQ (not equivalent) based on ISO/IEC Guide 21.