Patent ID: 6992575

Claim:
A method of calculating current drains associated with an alarm system, the method comprising: receiving first user inputs at a computer aided drawing system, the first user inputs being indicative of graphical placement in a drawing area of a first alarm appliance and a second alarm appliance, the first alarm appliance and the second alarm appliance being a portion of the alarm system; receiving a first supervisory mode current drain associated with the first alarm appliance; receiving a first alarm mode current drain associated with the first alarm appliance; receiving a second supervisory mode current drain associated with the second alarm appliance; receiving a second alarm mode current drain associated with the second alarm appliance; determining a supervisory current drain associated with the alarm system based on the first supervisory mode current drain and the second supervisory mode current drain; and determining an alarm current drain associated with the alarm system based on the first alarm mode current drain and the second alarm mode current drain.