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  2. 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 ...

  3. Electrical safety testing - Wikipedia

    en.wikipedia.org/wiki/Electrical_safety_testing

    MOPP safety standards aim to set basic safety requirements for medical electrical equipment. "With hazardous voltages present in a system a robust and reliable approach to isolation is needed such that multiple and un-related insulation system failures would need to occur before an operator or patient is put at risk.

  4. 5M model - Wikipedia

    en.wikipedia.org/wiki/5M_model

    This diagram illustrates the nested/interlocking domains or factors that make up the 5M model used for troubleshooting and risk assessment, especially in traffic industries. Man, Machine, and Medium form three interlocking circles, with Mission at the intersection, and the space surrounding them representing the prevailing Management approach.

  5. Intrinsic safety - Wikipedia

    en.wikipedia.org/wiki/Intrinsic_safety

    Intrinsic safety (IS) is a protection technique for safe operation of electrical equipment in hazardous areas by limiting the energy, electrical and thermal, available for ignition. In signal and control circuits that can operate with low currents and voltages, the intrinsic safety approach simplifies circuits and reduces installation cost over ...

  6. IEC 60204 - Wikipedia

    en.wikipedia.org/wiki/IEC_60204

    IEC 60204-1 / EN 60204 Safety of machinery – Electrical equipment of machines – Part 1: General requirements This is a standard published by the International Electrotechnical Commission (IEC), published in parallel by CENELEC ( European Committee for Electrotechnical Standardization ).

  7. Safety engineering - Wikipedia

    en.wikipedia.org/wiki/Safety_engineering

    Electrical power grids are designed for both safety and reliability; telephone systems are designed for reliability, which becomes a safety issue when emergency (e.g. US 911) calls are placed. Probabilistic risk assessment has created a close relationship between safety and reliability.

  8. Risk-based inspection - Wikipedia

    en.wikipedia.org/wiki/Risk-based_inspection

    Risk-based inspection (RBI) is an optimal maintenance business process used to examine equipment such as pressure vessels, quick-opening closure - doors, heat exchangers, and piping in industrial plants. RBI is a decision-making methodology for optimizing inspection plans.

  9. ISO/IEC 31010 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_31010

    risk assessment (risk identification, risk analysis, risk evaluation) risk treatment; monitoring and review "Risk assessment is the overall process of risk identification, risk analysis and risk evaluation" (ISO 31010) Risk can be assessed at any level of the company’s operations or goals.