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== [[Earthing schemes|Earthing schemes]]  ==
== <br> [[Earthing schemes|Earthing schemes]]  ==


==== Earthing connections  ====
==== Earthing connections  ====

Revision as of 12:07, 5 March 2010

Earthing schemes

Earthing connections

Definition of standardised earthing schemes

Characteristics of TT, TN and IT systems

Selection criteria for the TT, TN and IT systems

Choice of earthing method - implementation

Installation and measurements of earth electrodes

The installation system

Distribution switchboards

Cables and busways

External influences (IEC 60364-5-51)

Definition and reference standards

Classification

List of external influences

Protection provided for enclosed equipment: codes IP and IK

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