Electrical Construction & Maintenance (EC&M) Magazine
Home > Design > Short Circuit Current Duties of Circuit Breakers and Fuses — Part 1

Short Circuit Current Duties of Circuit Breakers and Fuses — Part 1

Jul. 1, 2012 Frank Mercede | Electrical Construction and Maintenance

Understanding the methodologies behind the math

« 

Discuss this Article 2

Anonymous (not verified)
on Jul 25, 2012

I'm sorry but this has to be the most complicated explanation of calculation that for this purpose is relatively easy.

Frank Mercede (not verified)
on Jul 28, 2012

I can appreciate your comment, but keep in mind that there are many applications where the details must be considered to prevent a costly and dangerous mistake. The references cited in the article are highly recommended and provide excellent explanations of this important topic.

Post new comment
Sign In or register to use your Electrical Construction & Maintenance (EC&M) Magazine ID
(optional)
Related Articles

White Papers
LED Industrial Lighting: Common Myths and Facts
LEDs have unique and compelling characteristics that make them ideal for industrial lighting applications. But there are a variety of misconceptions about LEDs, how well they work, how long they last, and more. Digital Lumens developed this whitepaper to dish up the facts around LEDs and address some common misunderstandings....More
Understand Arc Flash Safety for Motor Control Centers
An arc flash is associated with the explosive release of energy caused by an electrical arc, due to either a phase-to-ground or a phase-to-phase fault. This kind of fault can result from many factors – a dropped tool, accidental contact with electrical systems, buildup of conductive dust, corrosion or improper work conditions.....More
VIEW MORE WHITE PAPERS
EC&M Learning Center
2011 Electrician Exam Preparation Book & Journeyman Simulated Exam
Printed in full color, the 2011Exam Prep book covers Theory, Code, and Calculations in great detail. Clear colorful graphics...
2011 Understanding NEC Requirement for Solar Photovoltaic Systems
Solar power is new to most in the electrical industry and this expanding and exciting industry has created many NEC...
Photovoltaics for Commerical and Utilities Power Generation
This book provides an in-depth review of the solar industry development, and present-day state of the art, emphasizing...
BROWSE ALL TITLES
Webinars
ON DEMAND: All You Ever Wanted to Know About GFCIs & AFCIs

Abstract:  In this webinar, Mike will not only explain the current NEC requirements for GFCIs and AFCIs, but he'll explain how they operate, what causes their premature failure, and when they won't provide the safety protection you might have thought they would.

 


Sponsored by:

 

 
ON DEMAND: Workplace Electrical Safety: Prevention before Protection


Abstract: This webinar will teach attendees the difference between risk and hazard, and how the choice of system grounding has a direct impact on reliability and safety.

 

 

Sponsored by:

 

 

MORE WEBINARS
EC&M TV
Nov. 24, 2008
video
Electrical Construction and Maintenance

Retrofit 2-Gang TV Box(TM)

Arlington’s recessed two-gang TV BOX™ for old work allows you to mount LCD and plasma TVs, and other system components flush against the wall....More

 

BROWSE ALL VIDEOS

Newsletter Signup

Connect With Us
Ecmweb.com
Related EC&M Sites
Copyright © 2013 Penton Media, Inc