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  2. Appliance classes - Wikipedia

    en.wikipedia.org/wiki/Appliance_classes

    In Europe, a double insulated appliance must be labelled Class II or double insulated or bear the double insulation symbol: ⧈ (a square inside another square). As such, the appliance should not be connected to an earth conductor because the high-impedance casing will cause only low-fault currents that are unable to trigger the fusible cut-out.

  3. Portable appliance testing - Wikipedia

    en.wikipedia.org/wiki/Portable_appliance_testing

    Health and safety regulations require that electrical appliances are safe and well maintained to prevent harm to workers. Many equipment manufacturers recommend testing at regular intervals to ensure continual safety, with the interval between tests varying based on both the type of appliance and the environment in which it is to be used.

  4. Occupational Safety and Health Act (United States) - Wikipedia

    en.wikipedia.org/wiki/Occupational_Safety_and...

    Section 8 permits OSHA inspectors to enter, inspect and investigate, during regular working hours, any workplace covered by the Act. [25] Employers must also communicate with employees about hazards in the workplace. By regulation, OSHA requires that employers keep a record of every non-consumer chemical product used in the workplace.

  5. AS/NZS 3112 - Wikipedia

    en.wikipedia.org/wiki/AS/NZS_3112

    Double insulated appliances omit the earth pin. When viewing a plug from the rear, and the earth pin downwards, the top left pin is active and the top right pin is neutral. The shank of the active and neutral pins of every 10 amp and 15 amp flat-pin plug sold after 3 April 2005 are required to be insulated, in accordance with AS/NZS 3112:2000. [1]

  6. Workplace Hazardous Materials Information System - Wikipedia

    en.wikipedia.org/wiki/Workplace_Hazardous...

    The federal Hazardous Products Act and associated Controlled Products Regulations, administered by the Workplace Hazardous Materials Bureau residing in the federal Department of Health Canada, [citation needed] established the national standard for chemical classification and hazard communication in Canada and is the foundation for the workers' "right-to-know" legislation enacted in each of ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Hazard symbol - Wikipedia

    en.wikipedia.org/wiki/Hazard_symbol

    The symbol was adopted as a standard in the US by ANSI in 1969. [6] [8] It was first documented as an international symbol in 1963 in International Organization for Standardization (ISO) recommendation R.361. [9] In 1974, after approval by national standards bodies, the symbol became an international standard as ISO 361 Basic ionizing radiation ...

  9. Workplace safety standards - Wikipedia

    en.wikipedia.org/wiki/Workplace_Safety_Standards

    The standards are drawn up with a set of rules for protection from to limit human exposure to electric fields, magnetic fields and electromagnetic fields. Frequency bands of danger EMF, Zones of danger EMF, types of risks, safety and shielding equipment are categorized in the standards. Electrical safety analyser

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