An option for those living in these situations is a backup generator, often turned on and connected by an automatic transfer switch ... dual-throw relay is housed inside of an electrical junction ...

Trystar introduced a line of compact, portable Automatic Transfer Switches (ATS ... an advanced design that eliminates nearly all wiring inside the enclosure to improve reliability and reduce ...

A power disruption at a Hong Kong public hospital that forced operations to be postponed was likely to have been caused by a faulty automatic transfer switch in the electrical system, the Post has ...