Electrician is a person who installs and repairs the electricity running through your home. It might be Installations like more points for connecting more devices, enabling more electricity for an Electric oven, Light system, Air Condition, Water heater and more. When hiring an Electrician, you should be careful and be aware of what he does. Some have the tendency to over charge their clients or install and change them things they do not really need. That being said, you should not try working the electricity on your own and better use the services of a professional.