This new edition of UL 10B is being issued to:
1) Revise the Location of Furnace Thermocouples During the Fire Test
2) Revise the Frequency of Recording Furnace Temperatures
3) Revise the Frequency of Recording Unexposed Surface Temperatures
4) Remove Reference to Asbestos and Update Source for Refractory Material
5) Revise the Application of the Hose Stream
6) Clarify the Acceptance Criteria for the Hose Stream Test
7) Delete Scope Paragraph and Clarify Reference to Standard