Each hospital operating over ten beds and all public schools located in a city or town in this State in which there is a general fire alarm station and an electrically operated fire alarm system shall be equipped with a fire alarm box of the type and character used in such city or town, to be located on the premises at such place as the chief of the fire department may direct, and when such box is installed by such hospital or public school, the municipal authorities shall connect such box with the general fire alarm system and shall thereafter maintain such box in good repair, and such municipal authorities or their agents may enter every such hospital or school at any reasonable time for the purpose of inspecting and repairing any such box. The failure so to install and equip any such hospital or public school shall be a misdemeanor and punishable by a fine of not less than fifty dollars and not more than one hundred dollars or by imprisonment for a period of not less than ten days and not more than thirty days at the discretion of the court.