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- High_Resistance_Connection abstract "A High Resistance Connection (HRC) is a problem that results from loose or poor connections in traditional electrical accessories and switchgear which can cause heat to develop, capable of starting a fire. Safety devices such as fuses and Residual-current devices (RCDs) are unable to detect thermal rise and disconnect the electrical supply because they cannot sense HRC. A safety device to prevent HRC operates by effectively monitoring for abnormal thermal rise and will prevent ignition, smoke or burning odour of the electrical accessory or electrical installation.An example extract from the National Union of Teachers (NUT) Fire Safety Brief ; Electrical equipment should be regularly maintained by competent people. Machines should not be allowed to overheat. Care should be taken not to cover machines while they are switched on as this is particularly likely to cause overheating. Trailing cables should be regularly checked for damage. Loose or poor connections in traditional electrical accessories and switchgear can cause heat to develop capable of starting a fire. This problem is known as High Resistance Connection (HRC) and safety devices such as fuses and Residual Circuit Devices (RCDs) are unable to disconnect the electrical supply because they cannot sense HRC. Consideration should be given to the installation of a preventative system designed to stop electrical connections and accessories from reaching a temperature which would result in a fire. Such a device operates by effectively closing a switch at a pre-set temperature to prevent ignition, smoke or burning odour.Thermal monitoring of the connection and providing a HRC Device close to the probable location where a fault may develop is key to providing early warning or isolation to reduce the risk of fire.".
- High_Resistance_Connection wikiPageID "40930669".
- High_Resistance_Connection wikiPageLength "2856".
- High_Resistance_Connection wikiPageOutDegree "8".
- High_Resistance_Connection wikiPageRevisionID "682379616".
- High_Resistance_Connection wikiPageWikiLink Category:Electrical_engineering.
- High_Resistance_Connection wikiPageWikiLink Fuse_(electrical).
- High_Resistance_Connection wikiPageWikiLink National_Union_of_Teachers.
- High_Resistance_Connection wikiPageWikiLink Residual-current_device.
- High_Resistance_Connection wikiPageWikiLink Switchgear.
- High_Resistance_Connection wikiPageWikiLinkText "High Resistance Connection".
- High_Resistance_Connection hasPhotoCollection High_Resistance_Connection.
- High_Resistance_Connection wikiPageUsesTemplate Template:Reflist.
- High_Resistance_Connection subject Category:Electrical_engineering.
- High_Resistance_Connection hypernym Problem.
- High_Resistance_Connection type Disease.
- High_Resistance_Connection comment "A High Resistance Connection (HRC) is a problem that results from loose or poor connections in traditional electrical accessories and switchgear which can cause heat to develop, capable of starting a fire. Safety devices such as fuses and Residual-current devices (RCDs) are unable to detect thermal rise and disconnect the electrical supply because they cannot sense HRC.".
- High_Resistance_Connection label "High Resistance Connection".
- High_Resistance_Connection sameAs m.0yt3zkr.
- High_Resistance_Connection sameAs Q17029538.
- High_Resistance_Connection sameAs Q17029538.
- High_Resistance_Connection wasDerivedFrom High_Resistance_Connection?oldid=682379616.
- High_Resistance_Connection isPrimaryTopicOf High_Resistance_Connection.