im asking to do some work on the orthopedic clinic but im not so familiar with burglary alarm..burglary alarm its ready in use and client asking to have another extra sensor to cover some place..to run the cable from the place where hi like that sensor to burglary alarm panel its quit difficult but not impossible..i dont know if i can fix them in series from the nearest sensor or definitely i have to go to the alarm panel..any idea for that..