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- Double_switching abstract "Double switching or double cutting is the practice of using a multipole switch to close or open both the positive and negative sides of a DC electrical circuit, or both the hot and neutral sides of an AC circuit. This technique is used to prevent shock hazard in electric devices connected with unpolarised AC power plugs and sockets. Double switching is a crucial safety engineering practice in railway signalling, wherein it is used to ensure that a single false feed of current to a relay is unlikely to cause a wrong side failure. It is an example of using redundancy to increase safety and reduce the likelihood of failure, analogous to double insulation. Double switching increases the cost and complexity of systems in which it is employed, for example by extra relay contacts and extra relays, so the technique is applied selectively where it can provide a cost-effective safety improvement.".
- Double_switching thumbnail Single_switching.svg?width=300.
- Double_switching wikiPageID "1182058".
- Double_switching wikiPageRevisionID "601196664".
- Double_switching hasPhotoCollection Double_switching.
- Double_switching subject Category:Couplers.
- Double_switching subject Category:Fault_tolerance.
- Double_switching subject Category:Railway_signalling.
- Double_switching subject Category:Safety.
- Double_switching type Abstraction100002137.
- Double_switching type Act100030358.
- Double_switching type Activity100407535.
- Double_switching type Application100949134.
- Double_switching type Event100029378.
- Double_switching type Occupation100582388.
- Double_switching type Profession100609953.
- Double_switching type PsychologicalFeature100023100.
- Double_switching type RailTechnologies.
- Double_switching type RailTechnology100951037.
- Double_switching type Technology100949619.
- Double_switching type Use100947128.
- Double_switching type YagoPermanentlyLocatedEntity.
- Double_switching comment "Double switching or double cutting is the practice of using a multipole switch to close or open both the positive and negative sides of a DC electrical circuit, or both the hot and neutral sides of an AC circuit. This technique is used to prevent shock hazard in electric devices connected with unpolarised AC power plugs and sockets.".
- Double_switching label "Double switching".
- Double_switching sameAs m.04f4pf.
- Double_switching sameAs Q5300097.
- Double_switching sameAs Q5300097.
- Double_switching sameAs Double_switching.
- Double_switching wasDerivedFrom Double_switching?oldid=601196664.
- Double_switching depiction Single_switching.svg.
- Double_switching isPrimaryTopicOf Double_switching.