This specification covers griddles which utilize gas or electrical heat sources, or both, for cooking food in the commercial and institutional food service establishments. Griddles covered by this specification are classified by type, size, style, and electrical class. Type: type 1 - for counter top use; type 2 - stand mounted, including, stand with plain stand with casters, or stand with bolt-down legs; and type 3 - for flush installation. Styles: style 1 - gas-fired griddle; style 2 - electric griddle; and style 3 - combination gas-fired/electric griddle. Thermostat test shall be performed to meet the requirements prescribed.