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2. Multiway switching - Wikipedia

   en.wikipedia.org/wiki/Multiway_switching

   Instead of running mains voltage to the switches, a low voltage—typically 24 V AC—is connected to remote momentary toggle or rocker switches. The momentary switches usually have SPDT contacts in an (ON)-OFF-(ON) configuration. Pushing the switch actuator in one direction causes the relay contacts to close; pushing it in the opposite ...

3. Push switch - Wikipedia

   en.wikipedia.org/wiki/Push_switch

   A push switch (button) is a momentary or non-latching switch which causes a temporary change in the state of an electrical circuit only while the switch is physically actuated. An automatic mechanism (i.e. a spring ) returns the switch to its default position immediately afterwards, restoring the initial circuit condition.

4. Fulton MX991/U Flashlight - Wikipedia

   en.wikipedia.org/wiki/Fulton_MX991/U_Flashlight

   The multi-mode switch on the military-specification MX-991/U is riveted to the plastic battery housing and is constructed of black-oxide brass. The switch features three settings: Off, Signal, and On. When the switch is set to Signal, the user is able to press and hold a button located just above the switch for momentary operation of the PR6 bulb.

5. Switch - Wikipedia

   en.wikipedia.org/wiki/Switch

   A switch normally maintains its set position once operated. A biased switch contains a mechanism that springs it into another position when released by an operator. The momentary push-button switch is a type of biased switch. The most common type is a "push-to-make" (or normally-open or NO) switch, which makes contact when the button is pressed ...

6. White House says Justin Trudeau has been 'stalwart friend' for US

   www.aol.com/news/us-says-justin-trudeau-americas...

   ABOARD AIR FORCE ONE (Reuters) -The White House said on Monday that Canadian Prime Minister Justin Trudeau, who announced that he will step down in the coming months after nine years in power, has ...

7. List of telephone switches - Wikipedia

   en.wikipedia.org/wiki/List_of_telephone_switches

   EMS-1 (The ITEC Electronic Modular Switch is an electronic direct control switching system. The modules are combined to form a complete switch or any of the modules can be added to your present Step-by-Step Systems.) EMS-2 (The EMS-2 RURAL SWITCH is a stored program control analog switch designed to be cost-effective in small exchanges.