What's Wrong Here?
Apr 3, 2008 3:47 PM, By Joe Tedesco, NEC Columnist
Hint: The 72-hour shunt
Although the use of this copper tubing as a fuse was only to be used for a short time, it still doesn’t excuse the fact that this is a Code violation. In fact, the other two fuses were just about on their last legs anyway. The fuse rejection feature shows that they too were not proper for the type of fuseholders in this switch.
The only way to be sure that the overcurrent devices at this facility are correct is to begin with the basic information that will provide the answers to the requirements found in Art. 430, and some others throughout the Code.
Want to use this article? Click here for options!
© 2012 Penton Media, Inc.
Code Challenge
Code Quiz
May 10, 2012 12:29 PM, By Steven Owen, National Code Seminars
When installing a shielded cable or a twisted pair cable in a Class I, Division 1 location where a cable seal is required, when is it not required to remove the shielding material or separate the twisted pairs of those type cables?...
More Code Quizzes
Code Q&A
May 24, 2012 10:42 AM, By Mike Holt, NEC Consultant
Q. What labeling does the Code require in regard to arc flash hazard warning?...
More Code Q&As
Acceptable Use Policy blog comments powered by Disqus
advertisement
what's wrong here?
What's Wrong Here?
May 10, 2012 12:44 PM
View all What's Wrong Here?
What's Wrong Here
Sponsored By:
product spotlight
EV charger tester
May 25, 2012 8:26 AM
The Electrician is portable tester that verifies critical power and safety requirements of electric vehicle (EV) chargers...
View all 2012 Product Spotlights
Free Product Info
Our Product Information site is the ultimate online resource for products and services offered by Advertisers featured in our Magazine. This service is provided as a quick and easy way to request Product Information online. Get FREE product information now.



































