TN-C earthing system. Scheme, description

ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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TN-C earthing system. Encyclopedia of radio electronics and electrical engineering

Free technical library

Encyclopedia of radio electronics and electrical engineering / Grounding and grounding

TN system - a system in which the neutral of the power source is solidly grounded, and the open conductive parts of the electrical installation are connected to the solidly grounded neutral of the source by means of zero protective conductors

TN-C system - TN system, in which the zero protective and zero working conductors are combined in one conductor throughout its entire length

The scheme most often found in houses of old construction

TN-C earthing system

1 - grounding conductor of the neutral (middle point) of the power supply; 2 - open conductive parts; N- - zero working (neutral) conductor; PE- - protective conductor (grounding conductor, zero protective conductor, protective conductor of the potential equalization system); PEN- - combined zero protective and zero working conductors.

Publication: electro.narod.ru

See other articles Section Grounding and grounding.

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