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  2. NFPA 70E - Wikipedia

    en.wikipedia.org/wiki/NFPA_70E

    Key principles covered are JSA/JHA/AHA procedures to ascertain shock protection boundaries, arc flash incident energy expressed in calories/cm2, lockout-tagout, and personal protective equipment. While the various OSHA, ASTM, IEEE and NEC standard provide guidelines for performance, NFPA 70E addresses practices and is widely considered as the ...

  3. Electrical safety standards - Wikipedia

    en.wikipedia.org/wiki/Electrical_safety_standards

    Electrical shocks on humans can lead to permanent disabilities or death. Size, frequency and duration of the electrical current affect the damage. [8] The effects from electric shock can be: stopping the heart beating properly, preventing the person from breathing, causing muscle spasms. The skin features also affect the consequences of ...

  4. ANSI Z535 - Wikipedia

    en.wikipedia.org/wiki/ANSI_Z535

    NOTICE Is only used to identify safety-related, non-hazards, such as PPE reminders or possible property damage (White/blue background). Safety colors provided by ANSI Z535 are harmonized with U.S. Federal Regulations, [12] and include tolerances ranges [13] to make them compatible with ISO 3864.

  5. Personal protective equipment - Wikipedia

    en.wikipedia.org/wiki/Personal_protective_equipment

    Personal protective equipment (PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection. The hazards addressed by protective equipment include physical, electrical, heat, chemical, biohazards , and airborne particulate matter .

  6. Hierarchy of hazard controls - Wikipedia

    en.wikipedia.org/wiki/Hierarchy_of_hazard_controls

    Employers must provide PPE when other control measures are still being developed or cannot adequately reduce hazardous exposure to safe levels. [16] Personal Protective Equipment (PPE) minimizes risks to health and safety when worn correctly, including items like earplugs, goggles, respirators, and gloves. However, PPE and administrative ...

  7. Arc flash - Wikipedia

    en.wikipedia.org/wiki/Arc_flash

    This Category 3 system corresponds to an ensemble of PPE that together offers protection up to 25 cal/cm 2 (105 J/cm 2; 1.05 MJ/m 2). The minimum rating of PPE necessary for any category is the maximum available energy for that category. For example, a Category 3 arc-flash hazard requires PPE rated for no less than 25 cal/cm 2 (1.05 MJ/m 2).