cross switch
2-pole single pole double throw (SPDT) which is internally connected to reverse polarity, i.e. only four of the six contacts are connected to external wiring connections
en-GB/ˈkɹɒs ˈswɪt͡ʃ/
en-US/ˈkɹɔs ˈswɪt͡ʃ/
2-pole single pole double throw (SPDT) which is internally connected to reverse polarity, i.e. only four of the six contacts are connected to external wiring connections