Commercial electricians work on business-related electrical systems that power stores, office buildings and similar facilities. The job of the commercial electrician is a specialty along with industrial, residential and power line electricians. All electricians learn the same basic skills.
At the same time, commercial electrician training is job-specific and requires four to five years preparation as an apprentice. The occupation is growing in response to economic growth and changing technology. If you are interested in technology and a hands-on occupation, you might find that becoming a commercial electrician is an ideal choice.