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UL 263 - Fire Tests of Building Construction and Materials …
WebAn electronic document associated with a UL Standard for Safety or Outline of Investigation, and issued by UL to propose: A revision of a single or multiple requirement(s). A complete … Web5 Oct 2011 · 10-05-2011, 08:33 AM. This is from the NEC, but as an article; "The 2005 edition of the NEC (Article 300.21 Spread of Fire or Products of Combustion) states: “Openings around electrical penetrations through fire-resistant rated walls, partitions, floors or ceilings shall be fire stopped using approved methods to maintain the fire ... karissa and sally\u0027s world pranks
USG Design Studio Wall Assemblies
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