Artículos técnicos

Emerging Electrical Safety Technologies and Trends

Don't Be a Dummy - Poster

No seas tonto – Póster

Don’t Be a Dummy – Poster: While I was conducting a 2 day electrical safety training program for a large electric utility, we took a substation tour for a demonstration. Upon entering the control house, there it was. A pole top rescue dummy just begging to…

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Jim Phillips - IEC Office in Geneva Switzerland

Normas de trabajo en tensión IEC TC 78

By Jim Phillips, P.E. International Chairman IEC TC 78 As the International Chairman of IEC TC 78, a frequent question that I receive is “What is IEC TC 78?” IEC is the acronym for the International Electrotechnical Commission based in…

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FREE Download Arc Flash Hazard Calculation Guide

El NEC 2017 y el arco eléctrico

By Jim Phillips The 2017 National Electrical Code (NEC) contains several changes regarding arc flash: Download FREE Arc Flash Calculations 110.16(B) Arc-Flash Hazard Warning of Service Equipment 240.87 Arc Energy Reduction (Circuit Breakers) 240.67 Arc Energy Reduction (Fuses) The severity…

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Arc Flash Labeling Requirments

Etiquetas de arco eléctrico y ANSI Z535

If you ask five different people what an arc flash label should look like, you will likely receive five different answers. Although there are no hard and fast rules regarding the label format, there are some minimal requirements found in…

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FREE Download Arc Flash Hazard Calculation Guide

Datos de cortocircuito de servicios públicos: diferentes formatos

Utility Short Circuit Data – Different Formats: National Electrical Code 110.9 Interrupting Ratings states that: Equipment intended to interrupt current at fault levels shall have an interrupting rating at nominal circuit voltage at least equal to the current that is available at the line terminals of the…

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