Aerocare - Las Vegas 4490 Delancey Drive, Las Vegas NV 89103 Phone Number: (702) 257-2575
1 Automatically turn generator on and switch power to it when they detect a drop in line voltage; turn generator off when they sense the line power is restored.  Can be used with portable generators as long as the generator has an electric starter.
Transfer switch - Types. 1  An open transition transfer switch is also called a break-before-make transfer switch. 2  A closed transition transfer switch (CTTS) is also called a make-before-break transfer switch.