The Government of Canada’s terminology and linguistic data bank.

TN SYSTEM [1 record]

Record 1 2001-02-22


Subject field(s)
  • Installation of Electrical Equipment

A system having one or more points of the source of energy directly earthed, the exposed pairs of the installation being connected that point by protected conductors. Subdivided into TN-S, TN-C, TN-C-S. TT system and IT system also.


  • Installation des équipements électriques


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