ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
ShoutChat
Recent Posts
A 5-20(20a) receptacle is legal on a 15a circuit?
by libellis - 10/10/21 12:46 PM
GFCI's pops in large numbers
by dsk - 10/07/21 03:46 PM
Backup Generator Done Right
by timmp - 10/06/21 02:07 PM
How's all our Non-US folks doing?
by dsk - 09/30/21 05:06 AM
Well I am back to stay (nearly 6 years)
by Bill Addiss - 09/26/21 11:09 PM
New in the Gallery:
240/208 to a house
240/208 to a house
by wa2ise, October 9
Now you know.
Now you know.
by Tom_Horne, September 7
Who's Online Now
0 members (), 8 guests, and 20 robots.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
#54508 07/30/05 01:18 PM
Joined: Jul 2004
Posts: 49
G
Member
I am trying to bone up on my understanding of services, and properly applying 230.2 & 230.40. In doing so, I noticed that the library of info I keep on the NEC was somewhat lacking on this particular subject. Was wondering if you folks out there have run across any good articles that could be pulled off the net that did a good job explaining this subject.

Joined: Jan 2005
Posts: 5,316
Cat Servant
Member
Services are not really covered in the NEC, as they are typically controlled by the local power company rules.
These rules, as well as common practices, vary greatly from one area to another. Your local utility can provide you with a "cut sheet" for a particular type of service, usually for free. They might even be available on the web.

Joined: Jul 2004
Posts: 49
G
Member
Perhaps I should not have used the word services. Anybody run across any good articles that can be downloaded that explain 230.2 & 230.4 in detail?

Joined: Jul 2004
Posts: 9,667
Likes: 5
G
Member
Have you looked at the handbook commentaries?
This is the first paragraph that sums it up.

"The basic requirement of 230.2 is that a building or other structure can be supplied by only one service. However, under certain conditions, when a single service may not be adequate to supply a building or structure, 230.2 permits the use of additional services. Sections 230.2(A) through (D) describe those conditions under which more than one service is permitted. If more than one service is installed, 230.2(E) requires that a permanent plaque or directory be installed."


Greg Fretwell

Link Copied to Clipboard
Featured:

Tools for Electricians
Tools for Electricians
 

* * * * * * *

2020 Master Electrician Exam Preparation Combos
2020 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
pcsailor
pcsailor
Minneapolis, MN, USA
Posts: 21
Joined: September 2019
Top Posters(30 Days)
dsk 5
Popular Topics(Views)
284,570 Are you busy
217,281 Re: Forum
203,631 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.7.5