Final answer:
ADT monitors life safety devices regularly, with the frequency depending on the specific device and client's monitoring service agreement.
Step-by-step explanation:
ADT, a security company, monitors life safety devices regularly to ensure their proper functioning.
The frequency of monitoring can vary depending on the specific needs and requirements of the client.
For example, in the case of a fire alarm system, ADT may monitor it 24/7, meaning that it is constantly supervised and any alarms or faults are immediately detected and responded to.
In conclusion, how often ADT monitors life safety devices will depend on the specific device and the monitoring service agreement with the client.