by Jeff Kershner | Mar 3, 2020 | Case Studies, Featured articles
Maximum Available Fault Current… What is it? Have you ever noticed “Interrupting Rating” on the front of a breaker? Take a look at the highlighted area of the 60A breaker picture below: If this breaker were operating at 600V it has an interrupting... 
by Jeff Kershner | Nov 18, 2019 | Safety Tips
Voltage rated gloves must be used when performing work on exposed energized conductors greater than 50V but do you have to wear leather protectors? The answer is made clear by OSHA 1910.137(c)(2)(vii)... 
by Jeff Kershner | Nov 18, 2019 | Case Studies
What causes an arc flash to be big or small? We calculate arc flash “size” by following the equations described in IEEE 1584 2018. These equations are based on real life testing and measuring of arc flashes. Below is a simple explanation of what can cause... 
by Jeff Kershner | Dec 11, 2018 | Safety Tips
Being Safe at Home is just as important as when you’re at work. Are you renovating your house? Maybe you are helping your neighbor troubleshoot an outlet that doesn’t work. Although OSHA electrical safety standards do not apply when you’re away... 
by Jeff Kershner | Feb 18, 2018 | Case Studies
What is clearing time? Ok, you’ve completed your arc flash study and now all your electrical equipment is affixed with arc flash hazard warning labels. You may notice that the incident energy values are different from one piece of equipment to the next. How can... 
