ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
Recent Posts
Chinese motors rated 220 v 50 hertz
by gfretwell - 07/23/24 10:29 AM
100 Definitions: Accessible 2023
by gfretwell - 07/23/24 10:12 AM
100 Definitions, Likely to Become Energized, 2023
by gfretwell - 07/23/24 10:08 AM
240V only in a home and NEC?
by emolatur - 07/18/24 01:05 PM
2023 CEU Course
by gfretwell - 07/17/24 01:08 AM
Recent Gallery Topics:
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
Advertisement:
Who's Online Now
2 members (Scott35, Admin), 441 guests, and 34 robots.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
#192972 03/12/10 04:00 PM
Joined: Feb 2003
Posts: 198
Z
Member
I have to supply a pole barn/garage.
It is the 3rd building under same owner.
2nd building,water supply/garage, has a 100amp underground to it, I will not be using that power for 3rd building.
Need to get power to 3rd building, but underground is out of the question.
So, I must go overhead from main building/service, with a mast, to 2nd building with a mast and panel/disconnect,through the 2nd building trusses/attic to the other end of 2nd building and mast to go to 3rd building,I do not need a mast there cause I will have the heigth,18'.
Can I use a 3 wire system and ground rods, or I need a 4 wire system with ground rods? Voltage is 208.
I know grounding for other buildings has changed, but I am getting older now and I am not buying anymore damn code books, the last one I have is 2002, and I also know that I cannot bond the neutral if I need to use the 4 wire system.

Horizontal Ad
Joined: Jul 2004
Posts: 9,958
Likes: 34
G
Member
If you are on the 2008 code you need a 4 wire feeder.


Greg Fretwell

Link Copied to Clipboard
Featured:

* * * * * * *
Tools for Electricians
Tools for Electricians
 
* * * * * * *

2023 National Electrical Code (NEC)
2023 NEC + Exam Prep Study Guides Now Available!

Member Spotlight
Theelectrikid
Theelectrikid
Levittown, PA
Posts: 812
Joined: April 2004
Top Posters(30 Days)
Popular Topics(Views)
323,532 Are you busy
247,853 Re: Forum
231,637 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.7.5