^This is pretty much the same explanation we got from our electrician. You deffo need professional help to remove them.
Not least of all because they'll still be live when you've killed the power.
They have backup batteries usually but those are just for if somebody has managed to cut power in the street. Touch the battery and the alarm goes off.
@Stonehedge started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
^This is pretty much the same explanation we got from our electrician. You deffo need professional help to remove them.