Reasons for Electronic Grade Panelboards

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h20darrah

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Location
Fullerton, CA
I am working on a job that is requiring Electronic Grade Panelboards on panels that have IDF Racks on the Panel Schedule, but also cover general room receptacles within the same panel. Should these loads be on the same Panel? What is the reasoning for putting Standard loads mixed in with IDF rack loads? does this defeat the purpose?
 
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zbang

Senior Member
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Roughly 5346 miles from Earls Court
OK, I'll bite- what's an "Electronic Grade Panelboard"? I'm not familiar with that term and google doesn't bring up much about it. (It appears they might be a panel with build-in harmonic filters or TVSS, but it's not clear.)
 
steve66

steve66

Senior Member
Location
Illinois
Occupation
Engineer
I agree the term isn't clear. If I search for "electronic grade panelboard", I get a few questionable links, and this thread:)

But if we assume its one or more of Schneider's suggestions (TVSS, Krated, or 200% neutral), I don't see any harm in putting general purpose receptacles on the same panel.
 
Sierrasparky

Sierrasparky

Senior Member
Location
USA
Occupation
Electrician ,contractor
h20darrah said:
I am working on a job that is requiring Electronic Grade Panelboards on panels that have IDF Racks on the Panel Schedule, but also cover general room receptacles within the same panel. Should these loads be on the same Panel? What is the reasoning for putting Standard loads mixed in with IDF rack loads? does this defeat the purpose?
Click to expand...

It appears you work in CA . Depending on your project , under the current energy code you will be required to segregate loads into separate panels. Lighting only, Receptacle loads only, HVAC only, etc...
This becomes effective in new buildings 50KVA.
Also a watt hour meter that can show instantaneous usage and cumulative and be resettable by the Building owner. The utility company meter may not be acceptable.
 
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h20darrah

Member
Location
Fullerton, CA
Wrote an exemption request and had it removed from this particular section. This is a design assist job so they are still working out all the kinks. Thanks for the info everyone!


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