Electrical Questions? Ask an Electrician Online.
Many of these things can be done . It would be worth the peace of mind to have an inspection made of your wiring by a licensed electrician.
A physical inspection of the wiring and an electronic sweep for transmitters will help clear up the suspected instrusions.
Some unusual sounds and conditions can be caused by equipnent failures and are just the result of normal electrical problems.
Smoke detectors , intercoms and baby monitors can cause unusual noises.
Any caneras can also be detected in this inspection.