What is another word for back-to-back switch?
Pronunciation: [bˈaktəbˈak swˈɪt͡ʃ] (IPA) 
A back-to-back switch is essentially a switch that is operated from either end. It's known as a 4-way switch in the United States and a crossover switch in the United Kingdom. Other synonyms for back-to-back switch include three-way switch, double-throw switch, and transfer switch. The main function of a back-to-back switch is to alternate the source of power between two circuits. This allows for more control over the flow of electricity and can be useful in a variety of settings, from residential homes to commercial and industrial facilities. Overall, synonyms for back-to-back switches provide a clearer understanding of this important electrical component.
