PRODUCTS KOHLER GENERATORS AND TRANSFER SWITCHES ® NFPA 110 requirements cover functions such as mounting, cooling, starting, load switching and voltage regulation. KOHLER generators and automatic transfer switches are designed to meet NFPA 110 when equipped with the required accessories and installed per the standard. FUEL TANKS Kohler offers a range of fuel tank options to meet the NFPA 110 “class” definition, which sets forth the classification of the power system and the minimum time (in hours) that such power system must be designed to operate at its rated load without being refueled, and...