View source for Fundamental rule of protection

{{Menu_Protection_against_electric_shocks}}
<br>
The fundamental rule of protection against electric shock is provided by the document IEC 61140 which covers both electrical installations and electrical equipment.<br>Hazardous-live-parts shall not be accessible and accessible conductive parts shall not be hazardous.<br>This requirement needs to apply under: 

*Normal conditions, and 
*Under a single fault condition

Various measures are adopted to protect against this hazard, and include: 

*Automatic disconnection of the power supply to the connected electrical equipment 
*Special arrangements such as:

&nbsp; -&nbsp;The use of class II insulation materials, or an equivalent level of insulation<br>&nbsp; - &nbsp;Non-conducting location, out of arm’s reach or interposition of barriers<br>&nbsp; - &nbsp;Equipotential bonding<br>&nbsp; -&nbsp; Electrical separation by means of isolating transformers

[[ru:Основные правила защиты от поражения электрическим током]]
[[zh:防护基本原则]]