Edwards IO Series | How to do DC Charger Disconnect Test | NFPA 72 2025 Edition

In this video I will show how to do the DC Charger Disconnect Test for the Edwards IO Series fire alarm panel NFPA 72 - 2025 Edition Table 14.4.3.2, Component 2(1): Functions Test Frequency - Annually Verify the correct receipt of alarm, supervisory and trouble signals (inputs); operation of evacuation signals and auxiliary functions (outputs); circuit supervision, including detection of open circuits and ground faults; and power supply supervision for detection of loss of ac power and disconnection of secondary batteries.