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  2. Public Protection Classification Program - Wikipedia

    en.wikipedia.org/wiki/Public_Protection...

    ISO collects data for more than 47,000 communities and fire districts throughout the country. [1] The data is then analyzed using a proprietary Fire Suppression Rating Schedule (FSRS). [ 2 ] The Schedule then assigns a PPC score between 1 and 10 to the department, with Class 1 representing "superior property fire protection" and Class 10 ...

  3. IP code - Wikipedia

    en.wikipedia.org/wiki/IP_Code

    IP65 touchscreen display IP65 LED lamp. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical enclosures against ...

  4. List of body armor performance standards - Wikipedia

    en.wikipedia.org/wiki/List_of_body_armor...

    It specifies five different classes ranging from L to 4 of ballistic protection (e.g. SK 4). It also gives specifications for additional Stichschutz (ST), protection against knives, using the same classes as the ballistic protection, but giving it the additional ST label (e.g. SK L ST). The ballistic tests to determine a class are now ...

  5. List of ISO standards - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_standards

    ISO 1 – ISO 1999; ISO 2000 – ISO 2999; ISO 3000 – ISO 4999; ... International Classification for Standards; List of DIN standards; List of EN standards;

  6. Appliance classes - Wikipedia

    en.wikipedia.org/wiki/Appliance_classes

    Appliance classes (also known as protection classes) specify measures to prevent dangerous contact voltages on unenergized parts, such as the metallic casing, of an electronic device. In the electrical appliance manufacturing industry, the following appliance classes are defined in IEC 61140 and used to differentiate between the protective ...

  7. Fire-resistance rating - Wikipedia

    en.wikipedia.org/wiki/Fire-resistance_rating

    This rating is the requirement in data safes and vault structures for protecting digital information on magnetic media or hard drives. Temperatures inside the protected chamber must be held below 125 °F (52 °C) for the time period specified, such as Class 125-2 Hour, with temperatures up to 2,000 °F (1,090 °C) outside the vault.

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  9. EN 62262 - Wikipedia

    en.wikipedia.org/wiki/EN_62262

    The European Standard EN 62262 — the equivalent of international standard IEC 62262 (2002) — relates to IK (impact protection) ratings. [1] This is an international numeric classification for the degrees of protection provided by enclosures for electrical equipment against external mechanical impacts.