55 Pa. Code § 6500.108 – Fire extinguishers.

(a) There shall be at least one operable fire extinguisher with a minimum 2-A rating for each floor, including the basement and attic.
(b) Fire extinguishers with a minimum 2A-10BC rating shall be located in each kitchen. The kitchen extinguisher meets the requirements for one floor as required in subsection (a).
(c) Fire extinguishers shall be listed by Underwriters Laboratories or approved by Factory Mutual Systems.
(d) A fire extinguisher shall be accessible.