LUMBUNG77 One after the other, run the wire to all the entry-detection switches and fire sensors, finally running the two-wire cord to the sounder backplate location. On the other hand, when the magnet and switch are near each other, the switch contacts move together and the switch closes. The magnet part goes on the door or window, while the switch part goes on the window frame or doorjamb. The kit should include a mounting backplate attached to the sounder by a mounting screw. There is no reason why you cannot put one or more sensor in every room that is being wired for the security system.|Is Slot Toto {Worth|Price|Value} [$] To You?