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2. True DC - Wikipedia

   en.wikipedia.org/wiki/True_DC

   True DC is a type of switch disconnect (isolator) used in solar photovoltaic installations, in accordance with EN 60364–7–712. [1] [2] It was created by UK based IMO Precision Controls Ltd, and later adopted by other manufacturers such as Senton and ABB. The isolator design ensures a very fast break/make action by incorporating a user ...

3. Disconnector - Wikipedia

   en.wikipedia.org/wiki/Disconnector

   In electrical engineering, a disconnector, disconnect switch or isolator switch is a type of switching device with visible contacts, used to ensure that an electrical circuit is completely de-energized for service or maintenance.

4. List of aviation, avionics, aerospace and aeronautical ...

   en.wikipedia.org/wiki/List_of_aviation,_avionics...

   Takeoff/go-around switch / thrust Or: TOGA TOP take-off power TOR take-off runway: TORA take-off runway available: TOT Turbine outlet temperature TOW take-off weight TOWS take-off warning system: TR tail rotor: Or: T/R. Helicopters. TR thrust reverser(s) Or: T/R TR transformer rectifier TR transmitter receiver or transceiver: Or: T/R TP

5. Stepping switch - Wikipedia

   en.wikipedia.org/wiki/Stepping_switch

   Stepping switches were widely used in telephony and industrial control systems when electromechanical technology was paramount. A basic stepping switch is an electrically operated rotary switch with a single (typically input) terminal, and multiple (typically output) terminals. Like other typical rotary switches, the single terminal connects to ...

6. Rotary switch - Wikipedia

   en.wikipedia.org/wiki/Rotary_switch

   A rotary switch consists of a spindle or "rotor" that has a contact arm or "spoke" which projects from its surface like a cam. It has an array of terminals, arranged in a circle around the rotor, each of which serves as a contact for the "spoke" through which any one of a number of different electrical circuits can be connected to the rotor.

7. The Most Popular Christmas Cocktail in Every State - AOL

   www.aol.com/finance/most-popular-christmas...

   Cranberry Mimosa. Iowa, Kentucky, North Carolina, South Carolina, Virginia, Louisiana, Hawaii . Seven states seem to prefer a Christmas brunch drink for the holidays.