Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Congratulations SSS148 on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

IEC voltage ratings for cables

Thread starter TMD
Start date May 23, 2003

Status: Not open for further replies.

May 23, 2003

TMD

Electrical

Can anyone tell me, or direct me to info on, IEC cable voltage ratings? I've seen IEC cables rated 6/10(12) kV. What do these numbers refer to? And how does it relate to the North American 100%/133% ratings? The first number*SQRT(3) equals the second. But what is the number in ()? And how does this apply to single core cables?