Your walls contain an assortment of wires and circuits filling your home with electricity. The circuits are often wired in parallel so you can operate lights, appliances and powerpoints independently. It also prevents widespread problems if one part of a circuit is faulty. The process of rewiring a house often includes replacing old wires, powerpoints, switches and upgrading the switchboard if needed. It can be an invasive process at times, but typically is a very efficient process. Rewiring an old house can provide the comfort that your home meets all the Australian standards and is 100 per cent safe.