Revit MEP

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*David Haynes - Ideate
Post 1 of 5

NEC

247 Views, 4 Replies
07-02-2006 07:55 PM
Which version of the NEC is the electrical portion of Revit Systems based
upon?

David
Employee
1,300 Posts
29 Kudos
Registered: ‎11-16-2005
Post 2 of 5

Re: NEC

07-04-2006 06:05 AM in reply to: *David Haynes - Ideate
Hi David-

I don't think it can be said that RSY is based the NEC... creating a tool around a particular standard or code would limit flexibility.

MS, P.E.


Martin Schmid, P.E.
Product Manager - Revit MEP
Architecture, Engineering, and Construction
Autodesk, Inc.

*David Haynes - Ideate
Post 3 of 5

Re: NEC

07-05-2006 09:08 AM in reply to: *David Haynes - Ideate
This is from the help section - Help>Electrical Settings:

David Haynes
Ideate, Inc.


wrote in message
news:5226373@discussion.autodesk.com...
Hi David-

I don't think it can be said that RSY is based the NEC... creating a tool
around a particular standard or code would limit flexibility.

MS, P.E.
Employee
1,300 Posts
29 Kudos
Registered: ‎11-16-2005
Post 4 of 5

Re: NEC

07-05-2006 10:04 AM in reply to: *David Haynes - Ideate
Hmm.. reading the help files, eh?

This is in reference to the table stored in the WireSizes.xml file, which is based on the NEC table referenced... but can certainly be modified if necessary to be non-NEC based.

The way I read this is that there are two options for sizing the Neutral... 1) The neutral will be the same size as the Hot conductor, regardless if there is any current in the neutral, or 2) The neutral will be sized based on the current in the neutral (using the WireSizes.xml file for the table lookup).

I spot checked the referenced table in my 2005 and 1996 NEC and didn't see any differences.... the user could modify the WireSizes.xml file, if necessary, to provide adjusted values to the table.

I haven't tried sizing wires to compare the two methods yet... if I find anything contrary to my expectations, I'll post a follow up message.

HTH,
Martin Schmid, P.E.
Autodesk Consulting


Martin Schmid, P.E.
Product Manager - Revit MEP
Architecture, Engineering, and Construction
Autodesk, Inc.

Contributor
20 Posts
0 Kudos
Registered: ‎01-12-2007
Post 5 of 5

Re: NEC

05-23-2007 01:29 AM in reply to: *David Haynes - Ideate
Is there a WireSizes.xml file available for use in UK or Europe, or do we have to generate it from scratch?

If one is available will the cable sizing within Revit comply with UK standards or will this be passed out to IES and imported back in.
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