If youg., Texecom, Honeywell, Galaxy) are you connecting this sounder to?
The internal PCB contains several terminals for power, triggers, and monitoring: elmdene 7422-sfg-g3f manual
When in doubt, isolate power, discharge capacitors (the manual shows how using a 10kΩ resistor), and consult a qualified electrician or security engineer. If youg
This article is for informational and educational purposes. Electrical installation should only be carried out by qualified persons. Always refer to the official Elmdene manual for specific wiring diagrams and safety warnings. The author and publisher assume no liability for improper use or installation of this equipment. and monitoring: When in doubt