1. Electrician Certifications: Issued by the California Department of Industrial Relations (DIR), these are applicable to individuals working under companies holding a C-10 electrical contractor license. The main types of certifications include: 

• General Electrician: Authorized to perform various electrical work in residential, commercial, and industrial projects. 

• Residential Electrician: Specializes in electrical installation and maintenance in residential environments.

• Voice/Data/Video Technician: Involves the installation and maintenance of communication systems such as telephone lines, data networks, and video surveillance systems.

• Fire/Life/Safety Technician: Specializes in the installation and maintenance of fire alarm and other safety systems.

To obtain the above certifications, individuals must meet specific work experience requirements and pass the corresponding exams.

2. Contractor Licenses: Issued by the California State Licensure Board for Contractors (CSLB), these licenses are intended for individuals or companies seeking to operate independently as contractors. Relevant license categories include: 

• C-10 Electrical Contractor: Authorizes licensed individuals to perform the installation, maintenance, and repair of electrical systems.

• B General Building Contractor: Covers projects involving two or more unrelated building trades, typically involving the construction or renovation of building structures. 

Additionally, the CSLB offers other specialized licenses related to electrical work, with a complete list available on its official website. 

Consult local regulations and policies before installation to ensure compliance with all requirements and to fully utilize available incentives.