FF46 covers the specifications for single core (solid or stranded tinner plated copper/ siliver plated copper/nickel plated copper ) conductor and extruded FEP insulation (frequently referred to as 'hook-up wire').
In the electronics industry, used for temperature compensation wires, low temperature resistant wires, high temperature heating wires, aging resistant wires and flame retardant wires;
In the home appliance industry, used for internal wiring such as air conditioners, microwave ovens, electronic disinfection cabinets, rice cookers, electric ovens, and lighting fixtures.