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Bonding to cable tray #175801
03/11/08 06:42 PM
03/11/08 06:42 PM
Y
Yoopersup  Offline OP
Member
Joined: Mar 2003
Posts: 842
Michigan
1 Inch inch conduit stubs up from mtr to under cable tray.
Cable trays grounded , Tray cable from tray to Conduit has equipment grounding conductor. Since cable tray is Not a raceway and Tray cable contains a equipment grounding conductor, Is a bonding bushing required and jumper from conduit to tray required.
YoopersUp

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Re: Bonding to cable tray [Re: Yoopersup] #175802
03/11/08 07:13 PM
03/11/08 07:13 PM
J
JBD  Offline
Member
Joined: Jul 2001
Posts: 599
WI, USA
Originally Posted by Yoopersup
1 Inch inch conduit stubs up from mtr to under cable tray.
Cable trays grounded , Tray cable from tray to Conduit has equipment grounding conductor. Since cable tray is Not a raceway and Tray cable contains a equipment grounding conductor, Is a bonding bushing required and jumper from conduit to tray required.
YoopersUp


Is your conduit connected to the tray at all? I have never recommended a bonding bushing and jumper if there is a clamped connection.

Last edited by JBD; 03/11/08 07:13 PM.
Re: Bonding to cable tray [Re: JBD] #176284
03/28/08 10:08 AM
03/28/08 10:08 AM
Y
Yoopersup  Offline OP
Member
Joined: Mar 2003
Posts: 842
Michigan
Mechincal connection in some cases , None in others.


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