×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Chicago Plenum Fixtures

Chicago Plenum Fixtures

Chicago Plenum Fixtures

(OP)
What is special about light fixtures recessed in a ceiling used for return air in the City of Chicago.  I notice many fixture cut sheets with a "Chicago Plenum" option.  What do they know in Chicago that everybody in the rest of the US does not?  Or is this just a reaction to Mrs. O'Leary's cow problem?  Any other cities have this requirement? (NYC maybe).

RE: Chicago Plenum Fixtures

Yes, very much about the cow.

Essentially the basic requirements limit air flow from room side to the plenum and what materials may be plastic.  There are exceptions.  Fixtures must be submitted and approved for CCEA (City of Chicago Environmental Air).

I'm not aware of any other cities having this requirement - but any city, as the Authority Having Jurisdiction, can make specific requirements which supercede UL or CSA.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources