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Technical Documents: EQUIPMENT EVALUATION
In the event of a bolted fault, a large amount of thermal energy and magnetic force can be produced. In accordance with various standards, protective devices and current-carrying components are to be properly rated to withstand and interrupt the fault. As seen in...
Technical Documents: RECOMMENDATIONS
As part of your full arc flash report, EPSCO provides you with recommendations and red flags that may impact your facility. While we don't provide most of the services needed to resolve these red flags, one of EPSCO's field engineers can provide you with guidance on...
Technical Documents: EQUIPMENT LABELING
How do you know if your arc flash hazard labels are compliant with NFPA 70E? Like a magic trick, a capable engineer can spot a non-compliant label from a distance. How they do it is easier than you may think. Since the 2015 code cycle, NFPA 70E dictates that compliant...
Technical Documents: INCIDENT ENERGY CALCULATION
Arc Flash Study: Incident Energy Calculation Incident Energy, as defined by IEEE 1584 & NFPA 70E, is the amount of energy impressed on a surface, a certain distance away from the source, generated during an electrical arc event. This definition is straightforward,...
Technical Documentation: SHORT CIRCUIT STUDY
Short Circuit Study When an energized conductor contacts another energized conductor or ground, the load for the circuit is bypassed, and the impedance is greatly decreased. By simply using Ohms' law, we can conclude that the amount of current will greatly increase....
