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.
Boiling Corn on the Cob. To boil fresh corn on the cob, first remove the husks and silk. Then place the cobs in a kettle of unsalted boiling water. Cover the pan and return it to a boil. Cook the corn for 3-5 minutes or until tender.The exact cooking time will depend on the type of corn you buy and its maturity.Very fresh corn or super-sweet varieties may require a shorter cooking time while older corn may require a longer one.over the pan and return it to a boil. Cook the corn for 3-5 minutes or until tender. The exact cooking time will depend on the type of corn you buy and its maturity. Very fresh corn or super-sweet varieties may require a shorter cooking time while older corn may require a longer one.