Get it on Google Play
New! Download Unionpedia on your Android™ device!
Faster access than browser!

Dead man's switch

Index Dead man's switch

A dead man's switch (for other names, see alternative names) is a switch that is automatically operated if the human operator becomes incapacitated, such as through death, loss of consciousness, or being bodily removed from control. [1]

62 relations: Aviation fuel, Bomb, Booting, Brake, Brooklyn Rapid Transit Company, Budd Rail Diesel Car, Canadian National Railway, Chainsaw, Communications-based train control, Cruise control, Dead Hand, Dead-man's vigilance device, Death, Elevator, Emergency brake (train), Encryption, Equipment of Strategic Air Command, Fail-deadly, Fail-safe, Global Positioning System, Human, Improvised explosive device, Key switch, Kill switch, Lawn mower, List of amusement rides, Locomotive, Login, Malbone Street Wreck, Medical imaging, New York City Subway, Nottingham Express Transit, Outboard motor, Parking brake, Passenger rail terminology, PCC streetcar, Personal water craft, Pilot valve, Ping (networking utility), Pneumatics, Power take-off, R142A (New York City Subway car), R143 (New York City Subway car), Rapid transit, Safe mode (spacecraft), Safety (firearms), Snow blower, Snowmobile, Software, Solenoid, ..., Strategic Air Command, Track brake, Tractor, Train event recorder, Train protection system, Tram, Treadmill, Unconsciousness, United Kingdom, Voyager 2, Watchdog timer, Waterfall rail accident. Expand index (12 more) »

Aviation fuel

Aviation fuel is a specialized type of petroleum-based fuel used to power aircraft.

New!!: Dead man's switch and Aviation fuel · See more »


A bomb is an explosive weapon that uses the exothermic reaction of an explosive material to provide an extremely sudden and violent release of energy.

New!!: Dead man's switch and Bomb · See more »


In computing, booting is starting up a computer or computer appliance until it can be used.

New!!: Dead man's switch and Booting · See more »


A brake is a mechanical device that inhibits motion by absorbing energy from a moving system.

New!!: Dead man's switch and Brake · See more »

Brooklyn Rapid Transit Company

The Brooklyn Rapid Transit Company (BRT) was a public transit holding company formed in 1896 to acquire and consolidate railway lines in Brooklyn and Queens, New York City, United States.

New!!: Dead man's switch and Brooklyn Rapid Transit Company · See more »

Budd Rail Diesel Car

The Budd Rail Diesel Car, RDC or Buddliner is a self-propelled diesel multiple unit (DMU) railcar.

New!!: Dead man's switch and Budd Rail Diesel Car · See more »

Canadian National Railway

The Canadian National Railway Company (Compagnie des chemins de fer nationaux du Canada) is a Canadian Class I freight railway headquartered in Montreal, Quebec that serves Canada and the Midwestern and Southern United States.

New!!: Dead man's switch and Canadian National Railway · See more »


A chainsaw is a portable, mechanical saw which cuts with a set of teeth attached to a rotating chain that runs along a guide bar.

New!!: Dead man's switch and Chainsaw · See more »

Communications-based train control

Communications-based train control (CBTC) is a railway signaling system that makes use of the telecommunications between the train and track equipment for the traffic management and infrastructure control.

New!!: Dead man's switch and Communications-based train control · See more »

Cruise control

Cruise control (sometimes known as speed control or autocruise, or tempomat in some countries) is a system that automatically controls the speed of a motor vehicle.

New!!: Dead man's switch and Cruise control · See more »

Dead Hand

Dead Hand (Система «Периметр», Systema "Perimetr", lit. "Perimeter" System, with the GRAU Index 15E601, Cyrillic: 15Э601), also known as Perimeter, was a Cold War-era automatic nuclear weapons-control system used by the Soviet Union.

New!!: Dead man's switch and Dead Hand · See more »

Dead-man's vigilance device

A dead-man's vigilance device is a railroad safety device that operates in the case of incapacitation of the engineer.

New!!: Dead man's switch and Dead-man's vigilance device · See more »


Death is the cessation of all biological functions that sustain a living organism.

New!!: Dead man's switch and Death · See more »


An elevator (US and Canada) or lift (UK, Australia, Ireland, New Zealand, and South Africa, Nigeria) is a type of vertical transportation that moves people or goods between floors (levels, decks) of a building, vessel, or other structure.

New!!: Dead man's switch and Elevator · See more »

Emergency brake (train)

On trains, the expression emergency brake has several meanings.

New!!: Dead man's switch and Emergency brake (train) · See more »


In cryptography, encryption is the process of encoding a message or information in such a way that only authorized parties can access it and those who are not authorized cannot.

New!!: Dead man's switch and Encryption · See more »

Equipment of Strategic Air Command

Strategic Air Command equipment includes weapon systems and ordnance (e.g., strategic weapons such as ICBMs), ground radars and computers (e.g., at SSN 1979-82), and other Cold War devices of the USAF major command.

New!!: Dead man's switch and Equipment of Strategic Air Command · See more »


Fail-deadly is a concept in nuclear military strategy that encourages deterrence by guaranteeing an immediate, automatic, and overwhelming response to an attack.

New!!: Dead man's switch and Fail-deadly · See more »


A fail-safe in engineering is a design feature or practice that in the event of a specific type of failure, inherently responds in a way that will cause no or minimal harm to other equipment, the environment or to people.

New!!: Dead man's switch and Fail-safe · See more »

Global Positioning System

The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.

New!!: Dead man's switch and Global Positioning System · See more »


Humans (taxonomically Homo sapiens) are the only extant members of the subtribe Hominina.

New!!: Dead man's switch and Human · See more »

Improvised explosive device

An improvised explosive device (IED) is a bomb constructed and deployed in ways other than in conventional military action.

New!!: Dead man's switch and Improvised explosive device · See more »

Key switch

A key switch (sometimes called a lock switch to distinguish it from a keyswitch) is a switch that can be activated only by the use of a key.

New!!: Dead man's switch and Key switch · See more »

Kill switch

A kill switch, also known as an emergency stop (e-stop) and as an emergency power off (EPO), is a safety mechanism used to shut off machinery in an emergency, when it cannot be shut down in the usual manner.

New!!: Dead man's switch and Kill switch · See more »

Lawn mower

A lawn mower (mower) is a machine utilizing one or more revolving blades to cut a grass surface to an even height.

New!!: Dead man's switch and Lawn mower · See more »

List of amusement rides

Amusement rides, sometimes called carnival rides, are mechanical devices or structures that move people to create enjoyment.

New!!: Dead man's switch and List of amusement rides · See more »


A locomotive or engine is a rail transport vehicle that provides the motive power for a train.

New!!: Dead man's switch and Locomotive · See more »


In computer security, logging in (or logging on or signing in or signing on) is the process by which an individual gains access to a computer system by identifying and authenticating themselves.

New!!: Dead man's switch and Login · See more »

Malbone Street Wreck

The Malbone Street Wreck, also known as the Brighton Beach Line Accident, was a rapid transit railroad accident that occurred November 1, 1918, beneath the intersection of Flatbush Avenue, Ocean Avenue, and Malbone Street (now known as Empire Boulevard), in the community of Flatbush, Brooklyn.

New!!: Dead man's switch and Malbone Street Wreck · See more »

Medical imaging

Medical imaging is the technique and process of creating visual representations of the interior of a body for clinical analysis and medical intervention, as well as visual representation of the function of some organs or tissues (physiology).

New!!: Dead man's switch and Medical imaging · See more »

New York City Subway

The New York City Subway is a rapid transit system owned by the City of New York and leased to the New York City Transit Authority, a subsidiary agency of the state-run Metropolitan Transportation Authority (MTA).

New!!: Dead man's switch and New York City Subway · See more »

Nottingham Express Transit

Nottingham Express Transit (NET) is a tram system in Nottingham, England.

New!!: Dead man's switch and Nottingham Express Transit · See more »

Outboard motor

An outboard motor is a propulsion system for boats, consisting of a self-contained unit that includes engine, gearbox and propeller or jet drive, designed to be affixed to the outside of the transom.

New!!: Dead man's switch and Outboard motor · See more »

Parking brake

In road vehicles, the parking brake, also called hand brake, emergency brake, or e-brake, is used to keep the vehicle stationary and in many cases also perform an emergency stop.

New!!: Dead man's switch and Parking brake · See more »

Passenger rail terminology

Various terms are used for passenger rail lines and equipment-the usage of these terms differs substantially between areas.

New!!: Dead man's switch and Passenger rail terminology · See more »

PCC streetcar

The PCC (Presidents’ Conference Committee) is a streetcar (tram) design that was first built in the United States in the 1930s.

New!!: Dead man's switch and PCC streetcar · See more »

Personal water craft

A personal watercraft (PWC), also called water scooter, jetski, and comically a boatercycle, is a recreational watercraft that the rider sits or stands on, rather than inside of, as in a boat.

New!!: Dead man's switch and Personal water craft · See more »

Pilot valve

A pilot valve is a small valve that controls a limited-flow control feed to a separate piloted valve.

New!!: Dead man's switch and Pilot valve · See more »

Ping (networking utility)

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network.

New!!: Dead man's switch and Ping (networking utility) · See more »


Pneumatics (From Greek: πνεύμα) is a branch of engineering that makes use of gas or pressurized air.

New!!: Dead man's switch and Pneumatics · See more »

Power take-off

A power take-off or power takeoff (PTO) is any of several methods for taking power from a power source, such as a running engine, and transmitting it to an application such as an attached implement or separate machines.

New!!: Dead man's switch and Power take-off · See more »

R142A (New York City Subway car)

The R142A, along with the R142, are the first and second part of the fourth generation of somewhat similar new technology cars (NTTs) for the A Division of the New York City Subway.

New!!: Dead man's switch and R142A (New York City Subway car) · See more »

R143 (New York City Subway car)

The R143 is a class of 212 new technology (NTT) New York City Subway cars built by Kawasaki Heavy Industries for the B Division.

New!!: Dead man's switch and R143 (New York City Subway car) · See more »

Rapid transit

Rapid transit or mass rapid transit, also known as heavy rail, metro, MRT, subway, tube, U-Bahn or underground, is a type of high-capacity public transport generally found in urban areas.

New!!: Dead man's switch and Rapid transit · See more »

Safe mode (spacecraft)

Safe mode is an operating mode of a modern spacecraft during which all non-essential systems are shut down and only essential functions such as thermal management, radio reception and attitude control are active.

New!!: Dead man's switch and Safe mode (spacecraft) · See more »

Safety (firearms)

M16A2 rifle In firearms, a safety or safety catch is a mechanism used to help prevent the accidental discharge of a firearm, helping to ensure safer handling.

New!!: Dead man's switch and Safety (firearms) · See more »

Snow blower

A snow blower or snow thrower is a machine for removing snow from an area where it is not wanted, such as a driveway, sidewalk, roadway, railroad track, ice rink, or runway.

New!!: Dead man's switch and Snow blower · See more »


A snowmobile, also known as a motor sled, motor sledge, or snowmachine, is a motorized vehicle designed for winter travel and recreation on snow.

New!!: Dead man's switch and Snowmobile · See more »


Computer software, or simply software, is a generic term that refers to a collection of data or computer instructions that tell the computer how to work, in contrast to the physical hardware from which the system is built, that actually performs the work.

New!!: Dead man's switch and Software · See more »


A solenoid (/ˈsolə.nɔɪd/) (from the French solénoïde, derived in turn from the Greek solen ("pipe, channel") and eidos ("form, shape")) is a coil wound into a tightly packed helix.

New!!: Dead man's switch and Solenoid · See more »

Strategic Air Command

Strategic Air Command (SAC) was both a Department of Defense Specified Command and a United States Air Force (USAF) Major Command (MAJCOM), responsible for Cold War command and control of two of the three components of the U.S. military's strategic nuclear strike forces, the so-called "nuclear triad," with SAC having control of land-based strategic bomber aircraft and intercontinental ballistic missiles or ICBMs (the third leg of the triad being submarine-launched ballistic missiles (SLBM) of the U.S. Navy).

New!!: Dead man's switch and Strategic Air Command · See more »

Track brake

Track brakes are a form of brakes unique to railborne vehicles.

New!!: Dead man's switch and Track brake · See more »


A tractor is an engineering vehicle specifically designed to deliver at a high tractive effort (or torque) at slow speeds, for the purposes of hauling a trailer or machinery used in agriculture or construction.

New!!: Dead man's switch and Tractor · See more »

Train event recorder

A train event recorder (also called On-Train Monitoring Recorder or On-Train Data Recorder in the United Kingdom, Event Recorder System, Event Recorder Unit, or simply Event Recorder) is a device that records data about the operation of train controls and performance in response to those controls and other train control systems.

New!!: Dead man's switch and Train event recorder · See more »

Train protection system

A train protection system is a railway technical installation to ensure safe operation in the event of human failure.

New!!: Dead man's switch and Train protection system · See more »


A tram (also tramcar; and in North America streetcar, trolley or trolley car) is a rail vehicle which runs on tramway tracks along public urban streets, and also sometimes on a segregated right of way.

New!!: Dead man's switch and Tram · See more »


A treadmill is a device generally for walking or running or climbing while staying in the same place.

New!!: Dead man's switch and Treadmill · See more »


Unconsciousness is a state which occurs when the ability to maintain an awareness of self and environment is lost.

New!!: Dead man's switch and Unconsciousness · See more »

United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

New!!: Dead man's switch and United Kingdom · See more »

Voyager 2

Voyager 2 is a space probe launched by NASA on August 20, 1977, to study the outer planets.

New!!: Dead man's switch and Voyager 2 · See more »

Watchdog timer

A watchdog timer (sometimes called a computer operating properly or COP timer, or simply a watchdog) is an electronic timer that is used to detect and recover from computer malfunctions.

New!!: Dead man's switch and Watchdog timer · See more »

Waterfall rail accident

The Waterfall rail accident was a train accident that occurred on 31 January 2003 near Waterfall, New South Wales, Australia.

New!!: Dead man's switch and Waterfall rail accident · See more »

Redirects here:

Anti-trigger, Dead Man's Switch, Dead man switch, Dead man's brake, Dead man's control, Dead man's handle, Dead man's pedal, Dead man's trigger, Dead mans handle, Dead mans switch, Dead-man switch, Dead-man's brake, Dead-man's control, Dead-man's handle, Dead-man's switch, Deadman switch, Deadman's, Deadman's brake, Deadman's braking, Deadman's handle, Deadman's switch, Deadmans switch, Kill cord, Penalty switch, Vigilance control.


[1] https://en.wikipedia.org/wiki/Dead_man's_switch

Hey! We are on Facebook now! »