ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
Shout Box
Recent Posts
This Old House
by johno12345. 05/26/18 12:44 PM
Extension cords
by LongRunner. 05/25/18 12:19 PM
Fire source!
by LongRunner. 05/25/18 01:49 AM
Alternative income sources
by gfretwell. 05/24/18 10:07 PM
Furnace igniter leaking noise to stereo
by geoff in UK. 05/23/18 01:18 PM
New in the Gallery:
Plug terminals
Housebilding DIY wiring
Who's Online Now
0 registered members (), 6 guests, and 8 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
Ground Screw? #81258
07/30/02 09:17 PM
07/30/02 09:17 PM
J
Jackson  Offline OP
Junior Member
Joined: Jul 2002
Posts: 2
Pembroke Pines,FL,USA
How many ground wires can go under one ground screw on a ground bar? And were can I find that in the NEC.

Thank You

2017 / 2014 NEC & Related Books and Study Guides
Re: Ground Screw? #81259
07/30/02 09:58 PM
07/30/02 09:58 PM
E
ElectricAL  Offline
Member
Joined: Oct 2001
Posts: 597
Minneapolis, MN USA
See 110.3(B)

Basically, read the ground bar manufacturer's instructions.

Al


Al Hildenbrand
Re: Ground Screw? #81260
07/30/02 10:02 PM
07/30/02 10:02 PM
C
caselec  Offline
Member
Joined: Apr 2002
Posts: 558
San Jose, CA
You need to look at the instructions with the ground bar or in the panel the ground bar is designed to fit. If nothing is said about installing multiple wires per hole the maximum would be one. The NEC does not specifically state the number of conductors. It is up to the manufacture of the panel and ground bar.


Curt Swartz
Re: Ground Screw? #81261
07/31/02 06:48 PM
07/31/02 06:48 PM
3
3 Way  Offline
Junior Member
Joined: Jul 2002
Posts: 6
TX
110.14(A)and 408.21

Joe Tedesco covers this topic... https://www.electrical-contractor.net/ubb/Forum4/HTML/000061.html

here's a few pictures from Joe's archive
[Linked Image]
[Linked Image]

3-way

Re: Ground Screw? #81262
08/01/02 04:47 PM
08/01/02 04:47 PM
J
Jackson  Offline OP
Junior Member
Joined: Jul 2002
Posts: 2
Pembroke Pines,FL,USA
Thank you for your help.


Featured:

2017 Master Electrician Exam Preparation Combos
2017 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
mxslick
mxslick
Atomic City, ID USA
Posts: 803
Joined: October 2004
Show All Member Profiles 
Top Posters(30 Days)
twh 8
Popular Topics(Views)
246,929 Are you busy
184,334 Re: Forum
173,541 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.6.1
(Release build 20180101)
Page Time: 0.024s Queries: 14 (0.004s) Memory: 0.9661 MB (Peak: 1.1048 MB) Zlib enabled. Server Time: 2018-05-26 23:34:30 UTC