Warning Signs
Signs of Damaged or Faulty Wiring
Wiring problems can be easy to miss because you cannot see the wires themselves. Watch for these signs:
- Outlet or switch covers that feel warm or look discolored
- A burning or hot plastic smell with no clear source
- Buzzing or crackling from outlets, switches or walls
- Fixtures that spark or flicker when they are turned on
- Outlets on one circuit that work only some of the time
Any of these may indicate a loose connection or damaged insulation. Only an inspection can confirm whether wiring is the cause. Wiring problems also tend to appear after a change, such as a renovation, a new appliance or water damage. This guide to the warning signs of faulty electrical wiring explains each one in more detail.