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Joined: May 2008
Posts: 10
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Joined: May 2008
Posts: 10 |
First off, you regulars have always been great in this forum. Thanks!
Simple (probably stupid) question. How or what am I suppose to ground my server rack to the 2-3 inch copper strip on the floor near the baseboard leading to my AC outlet in the Server Room.
The 4-post rack is bolted to the floor. Does that mean my rack is already grounded to that strip running underneath the laminated tile? Or am I suppose to run a wire to that copper strip?
Do i need a "grounding bar" instead?
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Joined: Feb 2005
Posts: 12,354 Likes: 4
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Joined: Feb 2005
Posts: 12,354 Likes: 4 |
I really cannot completely understand what this looks like. It sounds to me like if there is a ground bus then I would bond my rack to it and not rely on the bolts holding it down.
-Hal
CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.
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Joined: Jul 2001
Posts: 3,347 Likes: 10
Moderator-Avaya-Lucent, Antique Tele
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Moderator-Avaya-Lucent, Antique Tele
Joined: Jul 2001
Posts: 3,347 Likes: 10 |
The only copper strips I have seen in telephone / computer rooms are grounding the conductive linoleum. You still need a grounding bar provided by the electrician.
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Joined: May 2008
Posts: 10
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Joined: May 2008
Posts: 10 |
I will post a picture, hang tight guys. Thanks for responding.
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Joined: Dec 2004
Posts: 5,722
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Joined: Dec 2004
Posts: 5,722 |
Touch Tone Tommy hit it on the head. The strips going from the floor to the electical outlet is a static discharge strip for the anti-static flooring. Get your electrician to place a proper grounding bar for you to ground ALL your racks and equipment to.  :thumb: :banana: 
Ken
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Joined: May 2007
Posts: 5,059 Likes: 6
Moderator-1A2, Cabling
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Moderator-1A2, Cabling
Joined: May 2007
Posts: 5,059 Likes: 6 |
The EIA/TIA 607 spec covers Grounding & Bonding for Data Centers.
Please note that this has NOTHING to do with the NEC Grounding requirements - those are grounding for safety - these are grounding for performance.
If you haven't got the $1000+ for the EIA specs, check out Panduit's 'StructuredGrounding' system. It'll give you a good idea of how to ground & bond data centers. (A little overkill perhaps, but better over then under).
Sam
"Where are we going and why are we in this hand basket?"
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Joined: Feb 2005
Posts: 12,354 Likes: 4
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Joined: Feb 2005
Posts: 12,354 Likes: 4 |
The strips going from the floor to the electical outlet is a static discharge strip for the anti-static flooring.
Yup, that's why those bolts through the floor aren't doing anything. The floor is semi-conductive and the copper does not extend under it. The floor itself has a high resistance.
-Hal
CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.
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