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| {{Menu_Protection_against_electric_shocks}}
| | #REDIRECT [[Protection against electric shock#Protection against electric shock]] |
| <br>
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| __TOC__
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| ===== Direct contact =====
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| Two measures of protection against direct contact hazards are often required, since, in practice, the first measure may not be infallible
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| A direct contact refers to a person coming into contact with a conductor which is live in normal circumstances (see {{FigRef|F2}}). IEC 61140 standard has renamed “protection against direct contact” with the term “basic protection”. The former name is at least kept for information.
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| [[File:FigF02.jpg|none]] | |
| '''''Fig. F2: '''Direct contact''
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| ===== Indirect contact =====
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| {{Highlightbox|
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| Standards and regulations distinguish two kinds of dangerous contact,
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| *Direct contact
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| *Indirect contact
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| and corresponding protective measures
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| }}
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| An indirect contact refers to a person coming into contact with an exposed-conductive-part which is not normally alive, but has become alive accidentally (due to insulation failure or some other cause).<br>The fault current raise the exposed-conductive-part to a voltage liable to be hazardous which could be at the origin of a touch current through a person coming into contact with this exposed-conductive-part (see {{FigRef|F3}}).IEC 61140 standard has renamed “protection against indirect contact” with the term “fault protection”. The former name is at least kept for information.
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| [[File:FigF03.jpg|none]]
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| '''''Fig F3:''' Indirect contact''
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| [[ru:Прямое и косвенное прикосновения]]
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| [[zh:直接接触和间接接触]]
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