The following changes in requirements are being proposed:
1. For Preliminary Review Only: New requirements for UL 1424 - Air oven aging conditions for 90°C ceramifiable silicone insulation for cables for power-limited fire-alarm circuits.
2. For Preliminary Review Only: New requirements for UL 1425 - Air oven aging conditions for 90°C ceramifiable silicone insulation for cables for non-power-limited fire-alarm circuits.