Found these in a bathroom today causing problems with rcd tripping some spots do not have the space to loop cable in and out its not acceptable to have single covered wire exposed to touch 
as shown in the pictures 

No wonder there is a problem with these the simple answer to the problem use a small joint box 
​and the job is done properly and looks the part now

If your alarm battery is over 5 years old the chances are it needs replacing it an easy job to do 
if you find your external siren goes every time the power is removed from the alarm and you can not stop it you battery is dead follow these simple tips to replace it 
open the control panel ( if you have a small keypad the panel is the larger white box)
the alarm will sound enter your code this will silence the alarm locate the battery

Thats the battery remove it and replace it with a new one replace the alarm cover and reset the alarm panel  job done mark on the panel the date for the next replacement if you replace every five years you should have no problems or we can do the job for you 
Battery replacement click here