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  2. Electrical equipment in hazardous areas - Wikipedia

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

    IEC 60079-10-1 covers classification of explosive gas atmospheres, and IEC 60079-10-2 explosive dust. Equipment is placed into protection level categories according to manufacture method and suitability for different situations.

  3. Electrical safety standards - Wikipedia

    en.wikipedia.org/wiki/Electrical_safety_standards

    The electrical safety develops with the technical progress. In 1989 OSHA [1] promulgated a much-needed regulation in the General Industry Regulations. Several standards are defined for control of hazardous energy, or lockout/tagout. In 1995 OSHA was successful in promulgation of regulations for utility. [2]

  4. NEMA enclosure types - Wikipedia

    en.wikipedia.org/wiki/NEMA_enclosure_types

    Below is a list of NEMA enclosure types; these types are further defined in NEMA 250- Enclosures for Electrical Equipment. Each type specifies characteristics of an enclosure, but not, for example, a specific enclosure size. Note that higher numbers do not include the lower-numbered tests. For example, types 3, 4 and 6 are intended for outdoor ...

  5. Lockout–tagout - Wikipedia

    en.wikipedia.org/wiki/Lockout–tagout

    The standard does not cover electrical hazards from work on, near, or with conductors or equipment in electric utilization (premise wiring) installations, which are outlined by 29 CFR Part 1910 Subpart S. [10] The specific lockout and tagout provisions for electrical shock and burn hazards can be found in 29 CFR Part 1910.333. Controlling ...

  6. Industrial and multiphase power plugs and sockets - Wikipedia

    en.wikipedia.org/wiki/Industrial_and_multiphase...

    Industrial outlets may have weatherproof covers, waterproofing sleeves, or may be interlocked with a switch to prevent accidental disconnection of an energized plug. Some types of connectors are approved for hazardous areas such as coal mines or petrochemical plants, where flammable gas may be present.

  7. Machine guarding - Wikipedia

    en.wikipedia.org/wiki/Machine_guarding

    Electrical interlock mounted on wire mesh machine guarding. Electrical interlocks or other devices tied into the equipment's control circuit are mounted on access points and are configured to stop equipment operations when opened. These access points should also incorporate hardware to comply with the OSHA lockout/tagout regulation 1910.147. [6]

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  9. NFPA 70E - Wikipedia

    en.wikipedia.org/wiki/NFPA_70E

    While the various OSHA, ASTM, IEEE and NEC standard provide guidelines for performance, NFPA 70E addresses practices and is widely considered as the de facto standard for Electrical Safety in the Workplace. Practices include: Staging a "safe work zone" with boundaries, barricades, signs and attendants.

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