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An arc flash is the light and heat produced as part of an arc fault (sometimes referred to as an electrical flashover), a type of electrical explosion or discharge that results from a connection through air to ground or another voltage phase in an electrical system.
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arc flash fault equipment electrical energy protection ppe circuit current light system protective used hazard often blast arc-flash example plasma
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Arc flash | is a | light and heat produced as part of an arc fault | 0.90 | text |
| Arc flash | is a | light and heat produced from an electric arc supplied with sufficient electrical energy to cause substantial damage | 0.90 | text |
| vehicles or ladders | instance of | or equipment | 0.80 | text |
| rubber gloves | instance of | A technician would use protective equipment | 0.80 | text |
| other personal protective equipment | instance of | A technician would use protective equipment | 0.80 | text |
| to avoid initiating an arc | instance of | A technician would use protective equipment | 0.80 | text |
| to protect personnel from any arc that may start while testing | instance of | A technician would use protective equipment | 0.80 | text |
| high-resistance grounding which has been proven to reduce the frequency | instance of | Reducing the frequency and severity of incidents should be the first option and this can be achieved through a complete arc flash hazard assessment and through the application o… | 0.80 | text |
| severity of incidents.Reducing hazard by designThree key factors determine the intensity of an arc flash on personnel | instance of | Reducing the frequency and severity of incidents should be the first option and this can be achieved through a complete arc flash hazard assessment and through the application o… | 0.80 | text |
| current limiting breakers | instance of | Various design and equipment configuration choices can be made to affect these factors and in turn reduce the arc flash hazard.Fault currentFault current can be limited by using… | 0.80 | text |
| grounding resistors | instance of | Various design and equipment configuration choices can be made to affect these factors and in turn reduce the arc flash hazard.Fault currentFault current can be limited by using… | 0.80 | text |
| arc suppression coils or fuses | instance of | Various design and equipment configuration choices can be made to affect these factors and in turn reduce the arc flash hazard.Fault currentFault current can be limited by using… | 0.80 | text |
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