As used in this chapter, the following terms shall have the meanings indicated:
Any liquid used as a fuel and having a flash point of not less than 100° F. The Pensky-Martens closed cup tester shall be the authoritative test used to determine flash points, and the test shall be made in accordance with the methods of test adopted by the American Society of Testing Materials.
Any device designed and arranged for the purpose of preparing fuel oils for combustion and having a tank or container with capacity of more than 20 gallons connected thereto.
Oil burners and all equipment connected thereto, including internal and external supply or storage tanks, piping, wiring, together with all accessories.