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  2. Intrinsic safety - Wikipedia

    en.wikipedia.org/wiki/Intrinsic_safety

    Intrinsically safe mobile phones must meet special battery design criteria in order to achieve UL, ATEX directive, or IECEx certification for use in explosive atmospheres. Only properly designed battery-operated, self-contained devices can be intrinsically safe by themselves. Other field devices and wiring are intrinsically safe only when ...

  3. Electrical equipment in hazardous areas - Wikipedia

    en.wikipedia.org/wiki/Electrical_equipment_in...

    Unlike ATEX which uses numbers to define the safety "Category" of equipment (namely 1, 2, and 3), the IEC continued to utilise the method used for defining the safe levels of intrinsic safety namely "a" for zone 0, "b" for zone 1 and "c" for zone 2 and apply this Equipment Level of Protection to all equipment for use in hazardous areas since ...

  4. Impact wrench - Wikipedia

    en.wikipedia.org/wiki/Impact_wrench

    A 1/2" drive pistol-grip air impact wrench. An impact wrench (also known as an impactor, impact gun, air wrench, air gun, rattle gun, torque gun, windy gun) is a socket wrench power tool designed to deliver high torque output with minimal exertion by the user, by storing energy in a rotating mass, then delivering it suddenly to the output shaft ...

  5. These Cordless Impact Wrenches Allow For More Mobility - AOL

    www.aol.com/lifestyle/10-cordless-impact...

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  6. Inherent safety - Wikipedia

    en.wikipedia.org/wiki/Inherent_safety

    (Kletz originally used the term intrinsically safe in 1978, but as this had already been used for the special case of electronic equipment in potentially flammable atmospheres, only the term inherent was adopted. Intrinsic safety may be considered a special subset of inherent safety). In 2010 the American Institute of Chemical Engineers ...

  7. Amazon's secret overstock section is bursting with savings ...

    www.aol.com/lifestyle/secret-savings-amazon...

    Whether you have a big yard or a small deck, string lights can add charm and sparkle to your space. This 25-foot string is heavy-duty, dimmable, weatherproof, and shatterproof.

  8. Rep Gimenez warns China is 'greatest threat' to US, Trump ...

    www.aol.com/news/rep-gimenez-warns-china...

    EXCLUSIVE: Rep. Carlos Gimenez of the Select Committee on the CCP says President-elect Trump will bring “peace through strength, not peace through appeasement" when dealing with China.

  9. PASS device - Wikipedia

    en.wikipedia.org/wiki/PASS_device

    This style devices are powered by battery, are easily activated while wearing gloves, and are intrinsically safe to operate in flammable or explosive atmospheres. It was reported that shortly after the events of September 11, 2001, the sound of many activated PASS devices could be heard beneath the rubble of the collapsed World Trade Center.