R.I. Gen. Laws § 28-27-4.4: “Master mechanical contractor” defined — License fee.

(a) “Master mechanical contractor” means any person who has worked as a contractor and has been associated in both trades of pipefitting and refrigeration for at least ten (10) years as a Rhode Island Licensed Pipefitter Master I and at least ten (10) years as a Rhode Island Licensed Refrigeration Master I, and who shall be designated as a master mechanical contractor subject to provisions of this chapter or the rules and regulations and licensing criteria promulgated hereunder.

(b) The license fee for a master mechanical contractor is two hundred forty dollars ($240).