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Electricians install, connect, test, and maintain electrical systems for a variety of purposes, including climate control, security, and communications. They also may install and maintain the electronic controls for machines in business and industry. Although most electricians specialize in construction or maintenance, a growing number do both. Electricians work with blueprints when they install electrical systems in factories, office buildings, homes, and other structures. Electricians must follow the National Electric Code and comply with State and local building codes when they install these systems. In factories and offices, electricians install and connect wire to circuit breakers, transformers, or other components. They use testing equipment, such as ohmmeters, voltmeters, and oscilloscopes, to check the circuits for proper connections, ensuring electrical compatibility and safety of components. Electricians also may install low voltage wiring systems involving voice, data, and video wiring systems, such as those for telephones, computers and related equipment; intercoms, fire alarm and security systems. Electricians are also able to install coaxial or fiber optic cable for computers and other telecommunications equipment and electronic controls for industrial equipment.—"U.S. Department of Labor" (1)
(1) U.S. Department of Labor Bureau of Labor Statistics
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