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Diagram illustrating the concepts of equipotential bonding.

Diagram illustrating the concepts of equipotential bonding.

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Figure 3: TN-C-S system of earthing.
Figure 4: TT earthing system.
Figure 5: Diagram illustrating the concepts of equipotential bonding.
Introduction to Electric Shock Protection
Article
Full-text available
  • Jul 2001
This paper presents a general overview of the principles of electric shock and the systems of protection used to prevent it in electrical installations. Although mainly built around the United Kingdom Regulations, its principles can be applied to any country. The paper first discusses electric shock and the effects of electric current on the human...
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Context 1
... conductor connecting the exposed conductive parts to the extraneous conductive parts is called the supplementary bonding conductor. Figure 5 shows an example installation where there are two electrical controllers (e.g., controlling escalators) and a pipe and a piece of trusswork (representing extraneous conductive parts). The use of the supplementary equipotential bonding is required when the exposed conductive part and the extraneous conductive part are accessible simultaneously. ...

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