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#175801 - 03/11/08 03:42 PM Bonding to cable tray
Yoopersup Offline
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Registered: 03/04/03
Posts: 822
Loc: 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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#175802 - 03/11/08 04:13 PM Re: Bonding to cable tray [Re: Yoopersup]
JBD Offline
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Registered: 07/12/01
Posts: 599
Loc: 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.


Edited by JBD (03/11/08 04:13 PM)
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#176284 - 03/28/08 07:08 AM Re: Bonding to cable tray [Re: JBD]
Yoopersup Offline
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Registered: 03/04/03
Posts: 822
Loc: Michigan
Mechincal connection in some cases , None in others.
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