MENUQQ During installation, make sure there are no breaks in the foil that you stick on the glass; the tape must be continuous. However, make sure that batteries are replaced regularly. Since the entry-detection switch circuit draws a standby current of only about one-thousandth of an ampere, the batteries should last for months when used only to supply the entry-detection switch loop. Most simple systems use a bell, loud buzzer, or other sound source to note intrusion. Install 190 degrees Farenheit sensors in normally hot locations. Twist together the two silver-colored wires, and affix a small, solderless connector.|A Common Application is in Lighting