Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Residual-current_device> ?p ?o }
- Residual-current_device abstract "A residual-current device (RCD), or residual-current circuit breaker (RCCB), is a device to quickly disconnect current to prevent serious harm from an ongoing electric shock. Injury may still occur in some cases, for example if a human falls after receiving a shock. In the United States and Canada, the device is more commonly known as a ground fault circuit interrupter (GFCI), ground fault interrupter (GFI) or an appliance leakage current interrupter (ALCI). In the United Kingdom, these are better known by their initials RCD, and a combined RCD+MCB is known as a RCBO (residual-current circuit breaker with overcurrent protection). In Australia, they are sometimes known as safety switches or a RCD. An earth leakage circuit breaker (ELCB) may be a residual-current device, although an older type of voltage-operated earth leakage circuit breaker also exists. In German-speaking countries the device is sometimes known as FI where the F stands for fault (Fehler) and I for the symbol that represents electric current.These electrical wiring devices disconnect a circuit when it detects that the electric current is not balanced between the energized (line) conductor(s) and the return (neutral) conductor. Under normal circumstances, these two wires are expected to carry matching currents, and any difference usually indicates that a short circuit or other electrical anomaly is present. Even a small leakage current can mean a risk of harm or death due to electric shock if the leaking electric current passes through a human; a current of around 30 mA (0.030 amperes) is potentially sufficient to cause cardiac arrest or serious harm if it persists for more than a small fraction of a second. RCDs/RCCBs are designed to disconnect the conducting wires quickly enough to prevent serious injury from such shocks. (This is commonly described as the RCD/RCCB being \"tripped\".)A RCD does not provide protection against unexpected or dangerously high current when current is flowing in the usual wires in the circuit, therefore it cannot replace a fuse or protect against overheating or fire risk due to overcurrent (overload) or short circuits if the fault does not lead to current leakage. Therefore RCDs are often used or integrated as a single product along with some kind of circuit breaker, such as a fuse or miniature circuit breaker (MCB), which adds protection in the event of excessive current in the circuit. RCDs also cannot detect the situation where a human accidentally touches both conductors at the same time, since the flow of current through an expected device, an unexpected route, or a human, are indistinguishable if the current returns through the expected conductor.RCDs are usually testable and resettable devices. Commonly they include a button that when pressed, safely creates a small leakage condition, and a switch that reconnects the conductors when a fault condition has been cleared. Depending upon their design, some RCDs disconnect both the energized and return conductors upon a fault, while others only disconnect the energized conductor and rely upon the return conductor being at ground (earth) potential. The former are commonly known as \"double-pole\" designs; the latter as \"single-pole\" designs. If the fault has left the return wire \"floating\" or not at its expected ground potential for any reason, then a single-pole RCD will leave this conductor still connected to the circuit when it detects the fault.".
- Residual-current_device thumbnail Residual_current_device_2pole.jpg?width=300.
- Residual-current_device wikiPageExternalLink 099.pdf.
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- Residual-current_device wikiPageWikiLink File:FI-offen.jpg.
- Residual-current_device wikiPageWikiLink File:FISkizze.svg.
- Residual-current_device wikiPageWikiLink File:Fi-rele2.gif.
- Residual-current_device wikiPageWikiLink File:IEC_TS_60479-1_electric_shock_graph.svg.
- Residual-current_device wikiPageWikiLink File:Leviton_Dual_Function_AFCI_GFCI_Receptacle.jpg.
- Residual-current_device wikiPageWikiLink File:NEMA_5-20RA_GFCI_Tamper_Resistant_Receptacle.jpg.
- Residual-current_device wikiPageWikiLink File:ResidualCurrentCircuitBreak.jpg.
- Residual-current_device wikiPageWikiLink File:Residual_current_device_2pole.jpg.
- Residual-current_device wikiPageWikiLinkText "GFCI".
- Residual-current_device wikiPageWikiLinkText "GFCIs".
- Residual-current_device wikiPageWikiLinkText "GFI/GFCI".
- Residual-current_device wikiPageWikiLinkText "Ground-fault circuit interruptor".
- Residual-current_device wikiPageWikiLinkText "RCBO".
- Residual-current_device wikiPageWikiLinkText "RCCB".
- Residual-current_device wikiPageWikiLinkText "RCD".
- Residual-current_device wikiPageWikiLinkText "RCD/GFCI".
- Residual-current_device wikiPageWikiLinkText "RCDs".
- Residual-current_device wikiPageWikiLinkText "Residual-current device".
- Residual-current_device wikiPageWikiLinkText "Residual-current device#Equipment Leakage Circuit Interrupter".
- Residual-current_device wikiPageWikiLinkText "Residual-current_device#Combined_residual_current_and_over_current_.28GFCI.2FRCBO.29_devices".
- Residual-current_device wikiPageWikiLinkText "earth-fault interrupters".
- Residual-current_device wikiPageWikiLinkText "ground detection system".
- Residual-current_device wikiPageWikiLinkText "ground fault circuit interrupter".
- Residual-current_device wikiPageWikiLinkText "ground fault detectors".
- Residual-current_device wikiPageWikiLinkText "ground fault".
- Residual-current_device wikiPageWikiLinkText "leakage current detector".
- Residual-current_device wikiPageWikiLinkText "residual current circuit breaker".
- Residual-current_device wikiPageWikiLinkText "residual current detector".
- Residual-current_device wikiPageWikiLinkText "residual current devices".
- Residual-current_device wikiPageWikiLinkText "residual-current circuit breaker ".
- Residual-current_device wikiPageWikiLinkText "residual-current device".
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