When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Fire-resistance rating - Wikipedia

    en.wikipedia.org/wiki/Fire-resistance_rating

    The completed test sample is inserted into a furnace such that one side is exposed to a fire. The test is terminated when the fire stops successfully meet the test criteria in minimizing the amount of heat and smoke allowed to pass through the assembly, when the fire penetrates the fire stops. This determines the fire stop F-Rating.

  3. Fire class - Wikipedia

    en.wikipedia.org/wiki/Fire_class

    A fire class is a system of categorizing fire with regard to the type of material and fuel for combustion.Class letters are often assigned to the different types of fire [1], but these differ between territories; there are separate standards for the United States (NFPA 10 Chapter 5.2.1-5.2.5), Europe (DIN EN2 Classification of fires (European Standard) ISO3941 Classification of fires ...

  4. Combustibility and flammability - Wikipedia

    en.wikipedia.org/wiki/Combustibility_and...

    A fire test can be conducted to determine the degree of flammability. Test standards used to make this determination but are not limited to the following: Underwriters Laboratories UL 94 Flammability Testing; International Electrotechnical Commission IEC 60707, 60695-11-10 and 60695-11-20; International Organization for Standardization ISO 9772 ...

  5. Flame test - Wikipedia

    en.wikipedia.org/wiki/Flame_test

    A flame test is relatively quick test for the presence of some elements in a sample. The technique is archaic and of questionable reliability, but once was a component of qualitative inorganic analysis .

  6. Fire test - Wikipedia

    en.wikipedia.org/wiki/Fire_test

    A fire test is a means of determining whether fire protection products meet minimum performance criteria as set out in a building code or other applicable legislation. Successful tests in laboratories holding national accreditation for testing and certification result in the issuance of a certification listing .

  7. National Fire Danger Rating System - Wikipedia

    en.wikipedia.org/wiki/National_Fire_Danger...

    The bottom line of the National Fire Danger Rating System in the day-to-day operation of a fire prevention and suppression program is the staffing class. The staffing class is sometimes referred to as the action class, adjective class, precaution class, preparedness class, or the Industrial Fire Precaution Level (IFPL). [2]

  8. EN 54 - Wikipedia

    en.wikipedia.org/wiki/EN_54

    For smoke detectors according to EN 54-7 and fire detectors with smoke sensor (parts 12, 20 and 30 of EN 54) the test fires TF2, TF3, TF4 and TF5 are used. The EN 54-20 defines the following test fires with reduced fuel quantity for aspirating smoke detectors with enhanced or very high sensitivity (class A or B): TF2A and TF2B; TF3A and TF3B

  9. Fire protection - Wikipedia

    en.wikipedia.org/wiki/Fire_protection

    Fire protection is the study and practice of mitigating the unwanted effects of potentially destructive fires. [1] [2] It involves the study of the behaviour, compartmentalisation, suppression and investigation of fire and its related emergencies, as well as the research and development, production, testing and application of mitigating systems.