Annular Space Protection of Openings Created by Penetrations of Tubular Steel Conduit, A Review of UL Special Service Investigation, File NC 546, Project 90NK11650
Status: ActiveDocument ID: 100675
Summarizes the results of a study of various annular space protection materials installed in a concrete block wall, concrete floor assemblies, gypsum wallboard/wood joist/plywood deck floor-ceiling assemblies and two varieties of gypsum wallboard/steel stud wall assemblies.
Published Date: Oct.13.2004
Document ID: 100675
Terms & Conditions
To display, copy and/or download a copy of the document you have requested, NEMA's permission is subject to the following terms and conditions, which you must agree to by clicking on the "I Accept" button below:
- I agree not to alter the publication in any way and agree not to change its electronic format.
- I agree not to sell or offer for sale the publication for a price or any other consideration.
- I agree not to display the publication on a public website or distribute the publication from a public website.
- I acknowledge that the copyright to this document belongs to the National Electrical Manufacturers Association (NEMA), and that said copyright owner may revoke its permission or modify any of the foregoing terms and conditions at any time.
If you choose not to accept these terms and conditions, please exit this page.