and combustible liquids referred to in NFPA 30 and other NFPA codes and. standards. The classification system is based primarily on the flash point of the. liquid; that is, the minimum temperature at which sufficient vapor is given off. the liquid to form an ignitable mixture with air. Flammable liquids are classified by NFPA as Class I, which are further sub-. classified, based upon additional criteria that affect fire risk, as Class IA, Class. IB and Class IC - these liquids have flash points below 100 ÂºF (37.8 ÂºC) or less.
â When the water comes to a boil, throw in the corn and cover with a lid. The amount of time required will range from 1-10 minutes depending on how soft you want it to be and how young the kernels are. If you like it very soft, then let it boil for 10 minutes. â When you are removing the corn from water, use tongs, so that you do not burn your hands.
Steaming Corn in a Steamer Basket. 1  1. Prepare the corn. 2  2. Choose a pot that is large enough to fit the corn, then fill the bottom with water. 3  3. Place a steamer basket in the bottom of the pan.  4. Add the corn and cover the pot with a 1  lid. 5. Bring the water to a boil, then simmer it for 7 to 10 minutes. Once the water is boiling, reduce the heat to low, and cook the corn for 7 to 10 minutes. If you like your corn more crisp, check it after about 4 minutes. The corn is ready when the kernels turn bright yellow.