ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
ShoutChat
Recent Posts
Do we need grounding?
by gfretwell - 04/06/24 08:32 PM
UL 508A SPACING
by tortuga - 03/30/24 07:39 PM
Increasing demand factors in residential
by tortuga - 03/28/24 05:57 PM
Portable generator question
by Steve Miller - 03/19/24 08:50 PM
240V only in a home and NEC?
by dsk - 03/19/24 06:33 AM
New in the Gallery:
This is a new one
This is a new one
by timmp, September 24
Few pics I found
Few pics I found
by timmp, August 15
Who's Online Now
0 members (), 205 guests, and 28 robots.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
#100023 10/05/06 12:33 PM
Joined: Apr 2002
Posts: 178
R
Member
OK I deal mostly residential but on a 3 phase xfmer 600v to 220/120 15kva Can someone bring back to basics. I have approx 39.3 amps on each phase correct?

Stay up to Code with the Latest NEC:


>> 2023 NEC & Related Reference & Exam Prep
2023 NEC & Related Reference & Study Guides

Pass Your Exam the FIRST TIME with the Latest NEC & Exam Prep

>> 2020 NEC & Related Reference & Study Guides
 

#100024 10/05/06 01:03 PM
Joined: Feb 2002
Posts: 182
B
Bob Offline
Member
FLA on a 15 kva at 208 is 15/(0.208 x 1.73)= 41.6 amps.

#100025 10/05/06 01:53 PM
Joined: Apr 2002
Posts: 178
R
Member
Thanks Bob after further review it actually was 208/120 secondary.Thanks again.41.6 it is.


Link Copied to Clipboard
Powered by UBB.threads™ PHP Forum Software 7.7.5