Final answer:
An electrician is a person with specialized knowledge of electricity, responsible for installing and maintaining electrical systems.
Step-by-step explanation:
When the house was being built, an electrician installed the wiring that would provide light and power. An electrician is defined as A) a person with specialized knowledge of electricity. Electricians are skilled tradespeople who design, install, maintain, and repair the electrical systems and products used in residential homes, businesses, and factories. They are essential for the implementation of the electrical infrastructure that powers our modern world, from lighting to appliances and industrial machinery. The work of electricians has been critical since the development of electric power in the late 19th century.