A tripwire is a passive triggering mechanism, usually/originally employed for military purposes, although its principle has been used since prehistory for methods of trapping game. A US Army 45 Colt. ... Trapper redirects here. ...

Typically, a wire or cord is attached to some device for detecting or reacting to physical movement. From this basic meaning, several extended and metaphorical uses of the term have developed. A wire is a single, usually cylindrical, elongated strand of drawn metal. ... Look up Cord on Wiktionary, the free dictionary Cord has several meanings: String or Rope Cord Automobile Vibrating cord A measurement of the volume of firewood A power cord or extension cable In electronics, a cable Cord, a former American car marque founded by Errett Lobban Cord. ...

Military usage may designate a tripwire as a wire attached to one or more mines—normally bounding and fragmentation type mines—in order to increase their activation area. Pressure against, or the breaking of, this tripwire will result in activation of the mine fuse. Various anti-tank and anti-personnel land mines A land mine is a type of self-contained explosive device which is placed onto or into the ground, exploding when triggered by a vehicle or person. ... In an explosive device, a fuse (or fuze) is the part of the device that causes it to function. ...