Taking care of minor electrical issues in your house can often be done safely and efficiently by yourself. Before you begin any repairs, always remember to turn off the power at the fuse box.
Some common wiring https://lh3.googleusercontent.com/p/AF1QipNU9tadeMM85IzoUuuWSLVm3cdWR3V7OqwYowos=s1360-w1360-h1020