electrical contractors usually are companies, individuals, or organizations in which conduct specific engineering job relevant to the style, setting up, and repair off electrical power systems-a $130 billion industry in the us. Electrical contractors aren't the same as an electrician; electricians are tradesman and electrical contractors are organizations firms that hires electrical installers. Each generally carry permits and insurances to correctly and securely manage a business, securing the workers and homeowners/business owners from insurance liabilities. These kind of requirements differ from one state to another. Electricians might work for an electrical contractor, or directly for individuals or companies.
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