Licenses of Burner Contractor's license (Certificate E) and Burnerperson's license (Certificate F) are restricted to domestic oil and gas heating equipment for installation and servicing of domestic home heating plants, also defined as central heating plants. The performance of electrical work on commercial oil and gas burners burning No. 2, 3, 4, 5, or 6 fuel oil requires an Electrical Contractor's License (Certificate A) and Journeyperson's Electrician's license (Certificate B).
260 R.I. Code R. 260-RICR-30-15-7.12