01:44 How the air conditioner gets turned off when the fire alarm gets activated is through the relays on the control panel that shuts down the air conditioning system and closes the fire dampers in the air ducts to make sure no smoke travels throughout the building or any airflow circulation that can worsen fires
Some do, but they don't have ink dispensers that spray dye and instead they use tamper dye and here's a video link on how it works: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-EC73oMNcy0Y.html
If I have a PSA Project during school, I'll act out everything like he did in this video! It must be clearly staged as this was for a fire drill so yes a fire drill would be a good time!
How the air conditioner gets turned off when the fire alarm gets activated is through the relays on the control panel that shuts down the air conditioning system and closes the fire dampers in the air ducts to make sure no smoke travels throughout the building or any airflow circulation that can worsen fires