Nice post:

https://www.asutpp.com/types-o....f-system-earthing.ht

Type of system earthing: an integrated characteristic of the distribution system, which assigns availability or absence of earthing of live parts of a power source, availability of earthing of exposed-conductive-parts of an electrical installation or an electrical equipment, availability and performance of electrical connection between earthed live parts of the power source and exposed-conductive-parts [this term is defined in the IEC TS 62257-5-2015].

 

www.asutpp.com

Types of System Earthing for AC and DC Electrical Distribution Systems - Asutpp

Type of system earthing: an integrated characteristic of the distribution system, which assigns availability or absence of earthing of live parts of a power source, availability of earthing of exposed-conductive-parts of an electrical installation or