Ul 1709 pdf
Freightliner m2 horn relay location
l Only products which bear UL's Mark are considered as Classified, Listed, or Recognized. Fire Resistance Ratings - ANSI/UL 1709 See General Information for Fire Resistance Ratings- ANSI/UL 1709 Design No. XR625 March 03, 2011 Ratings- 1/2, 3/4, 1, 1-1/2, 2, 2-1/2, 3, 3-1/2, 4 Hr. (See Item 3) 1. Steel Column — Min. size W10X49. The column ...
The UL 1709 standard test method is used to assess the fire resistance performance, in minutes, for nonload bearing protected steel column structures exposed to a rapid time- temperature - curve as shown in Fig. 1. The intent of the UL 1709 test standard is to evaluate the thermal