Electricity is a very important component of the construction of a house. Lights appliances air conditioning and heating and security systems all run on electricity. Electrical wiring is essential to installing electricity in a house. All electrical-wiring work must be done by a licensed electrician must follow the National Electric Code (NEC) and must be done according to codes set forth by the local building codes . So how can you learn about electrical wiring and become a licensed electrician? Most electricians learn their trade through apprenticeship programs that combine on-the-job training with classroom study as in this app take a look!