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.
1 5) Set the timer for 10 minutes. 2  Thatâs it! 3  Be sure to use tongs to remove the cooked corn on the cob from the pot when the timer rings (they will be hot!). 4  So, corn doesnât need to boil for long but can sit and wait in the covered pot while you prepare the rest of your dinner.heck here. To find out how long your boiled corn lasts, visit our how long does corn last page. Thatâs the answer to how long to boil corn and how to boil perfect corn on the cob. Hope you found our how long to boil corn instructions useful.