Installations must conform to the National Electrical Code and the National Electrical Safety Code.
Local jurisdictions are required to appoint electrical inspectors. Municipalities and the State may hire their own certified inspectors.
All electrical installations made for compensation must be performed by persons licensed by the Electrician’s Examining Board, except persons under the jurisdiction of the State Public Utilities Commission, the Federal Communications Commission, or the Interstate Commerce Commission, and electrical work on the property of industrial and manufacturing plants which is done under the supervision of an electrical engineer in the employ of such plants. The State Fire Marshal enforces licensing requirements under the direction of the Board, which may revoke or suspend a license for gross negligence or incompetence. Non-conformance with the National Electrical Code or the National Electrical Safety Code shall be prima facie evidence of gross negligence and incompetence. Types of licenses and qualifications for each are:
Master Electricians may perform electrical installations and employ journeyman electricians. Licenses may be issued to corporations or partnerships provided an officer or partner directly in charge of business affairs has qualified as a licensed master electrician. Applicants must have at least two years service as an apprentice electrician or satisfactory completion of a course in a school approved by the Board, and pass an examination which may be written or oral.
A journeyman electrician is defined as a person installing electrical equipment in the employ of a master electrician. Requirements are the same as master electrician. Electrical installations performed by a journeyman electrician shall be periodically inspected by the master electrician from whom he receives direction and supervision. The master electrician shall perform a final inspection of the journeyman's completed installation.
Electrical installations performed by an apprentice electrician shall be directly supervised by a master or journeyman electrician at all times.
Maine, Massachusetts, and Vermont