If the household items work with electricity, they will convert electrical energy to whatever they are supposed to do: movement for some devices, sound or light for others.
electrical energy into light energy
An electric motor converts electric energy to mechanical energy while a generator converts mechanical energy to electric energy.
electrical energy into chemical energy
Light energy to chemical energy.
electric
Gravitational potential energy to kinetic energy
electrical to thermal radiant
Chemical to electrical.
Plants convert solar energy to chemical energy.
Kinetic
Chemical to thermal.
Chemical energy into heat and kinetic energy. Potential energy too, if you move uphill.