ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
Shout Box
Recent Posts
Changing a Bulb
by gfretwell. 07/14/18 03:12 PM
Tray cable?
by gfretwell. 07/11/18 10:18 PM
Eaton Heavy Duty 30A and 60A Safety Switches
by Admin. 07/11/18 09:49 PM
ORTOVOX Recalls Avalanche Transceivers
by Admin. 07/11/18 09:44 PM
Tingle off the water spigot
by gfretwell. 07/08/18 12:58 PM
New in the Gallery:
Plug terminals
Housebilding DIY wiring
Who's Online Now
0 registered members (), 18 guests, and 10 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
Bonding #63024
03/04/06 05:49 PM
03/04/06 05:49 PM
S
Sparks30  Offline OP
Member
Joined: Mar 2002
Posts: 125
Connecticut.usa
I have a ongoing thing with my boss about bonding, we are doing a 450ft run of 4/0 and #2 ground. Going though 4 j-box's. There are no concentic k.o's all are punched, I say we should use bonding bushings not just locknuts for the bond. He says just plastic bushings. Who would be right. Thanks Sam

( This is a panel off the main gear )

[This message has been edited by Sparks30 (edited 03-04-2006).]

Work Gear for Electricians and the Trades
Re: Bonding #63025
03/04/06 06:55 PM
03/04/06 06:55 PM
B
bot540  Offline
Member
Joined: Sep 2004
Posts: 174
Vernon Hills, IL
While bonding bushings would not be a bad idea you don't need them. You only need them if using concentric or ecentric knockouts. Read 250.92 and 250.97


Jesus may have been a capenter,but God was an electrician.Genesis1:3
Re: Bonding #63026
03/05/06 12:23 AM
03/05/06 12:23 AM
Y
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 842
Michigan
2005 NEC 250.92 is for services . As this is a feeder . (250.97) deals with Bonding over 250 volts to ground. If this was a 120/240 or 120/208 volt. Bonding bushings on a feeder would not be required Even if concentric or ecentric was involved. IF they were in good condition.

Re: Bonding #63027
03/05/06 12:46 AM
03/05/06 12:46 AM
B
bot540  Offline
Member
Joined: Sep 2004
Posts: 174
Vernon Hills, IL
Most inspectors around here(Northern Illinois) make you put them on with concentric or ecentric knockouts. Especially for feeders.


Jesus may have been a capenter,but God was an electrician.Genesis1:3
Re: Bonding #63028
03/05/06 10:03 AM
03/05/06 10:03 AM
S
Sparks30  Offline OP
Member
Joined: Mar 2002
Posts: 125
Connecticut.usa
When the inspector looked at the underground branch he said he would be looking for the rigid sweeps and EMT to be grounded. Thanks for the input. Sam


Featured:

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

 

Member Spotlight
Theelectrikid
Theelectrikid
Levittown, PA
Posts: 810
Joined: April 2004
Show All Member Profiles 
Top Posters(30 Days)
Admin 5
Popular Topics(Views)
248,097 Are you busy
185,543 Re: Forum
174,841 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.6.1
(Release build 20180101)
Page Time: 0.018s Queries: 14 (0.003s) Memory: 0.9667 MB (Peak: 1.1064 MB) Zlib enabled. Server Time: 2018-07-17 06:06:17 UTC