Training and Certification Residential and commercial electricians will require the same foundational training. However, commercial spaces are more complex, so commercial electricians often undergo extensive training.

Residential electricians typically deal with single-phase systems ranging between 120V-240V. Commercial electricity is three-phase, where the conductors carry anywhere from 120V to 480V due to high commercial and industrial electrical load power requirements.

Yes. South Carolina has specific laws pertaining to electrician licensing and regulation. The Municipal Association of South Carolina issues voluntary journeyman and master electrician certifications. These certifications are essential if you plan to obtain an electrical contractor license.

Domestic has to do with what lies inside the homes, houses, apartments, and residential regions. Domestic services cater to them, and domestic products are used inside such places. Commercial has to do with the act or infrastructure whose main purpose is to do business.