UL Subject 1724
Outline of Investigation for Fire Tests for Electrical Circuit Protective Systems (Outline, 12/7/2006)
standard by Underwriters Laboratories, 12/07/2006
UL Subject 723S
Outline of Investigation for Drop-Out Ceilings Installed Beneath Automatic Sprinklers (Outline, 12/5/2006)
standard by Underwriters Laboratories, 12/05/2006