First of all, you must have the appropriate skills in the field of electrical engineering.You must also have knowledge typically technical, that is how laid the cables, where assembled the so-called cans, and how spread out the electrical system, if we consider the whole house.
An electrical contractor is a business person or firm that performs specialized construction work related to the design, installation, and maintenance of electrical systems?a $130 billion industry in the United States.1 An electrical contractor is different from an electrician; an electrician is an individual tradesman and an electrical contractor is a business person or company that employs electricians.
Both usually hold licenses and insurances to properly and safely operate a business, protecting the employees and home owners/business owners from insurance liabilities.
These requirements vary from state to state.
At the appropriate time work is carried out in respect of manual excavation in which the wires are subsequently stacked.Then, when the walls have been rebuilt there is a need to distribute the system throughout the house. He then are assembled separately, and all kinds of electrical outlets, of which the inhabitants of the house will later use. Of course, they are responsible for bringing the electrical system to the possibility of exploitation.