Skip to Content
Electrical Codes, Standards, Recommended Practices and Regulations
book

Electrical Codes, Standards, Recommended Practices and Regulations

by Robert J. Alonzo
January 2010
Intermediate to advanced content levelIntermediate to advanced
512 pages
18h 35m
English
William Andrew
Content preview from Electrical Codes, Standards, Recommended Practices and Regulations
CHAPTER 7
Developing Electrical Safe Work Practices
General
Anyone unaware of the hazards involved with an electrical arc flash event should first consider
the following. Temperatures sustained in an arc-flash can reach 35,000
F (19,500
C). Those
extremely high temperatures will easily melt copper conductors. Under those circumstances
the melted copper
expands by a factor of 67,000 times when it turns from a solid to a vapor. The danger associated
with this expansion is one of high pressures, sound, and shrapnel. The high pressure s can easily
exceed hundreds or even thousands of pounds per square foot, knocking workers off ladders,
rupturing eardrums,
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Handbook of International Electrical Safety Practices

Handbook of International Electrical Safety Practices

Princeton Energy Resources International
Electric Wiring, 3rd Edition

Electric Wiring, 3rd Edition

A. J. Coker, W. Turner

Publisher Resources

ISBN: 9780815520450