Source google image: http://1.bp.blogspot.com/-CK1vNkD3XO0/UjIzYW5X41I/AAAAAAAAIlk/5uWDJ4xOPBA/s1600/r%C3%A9gime+de+neutre+TNC.JPG
Schema electrique tnc
Source google image: http://1.bp.blogspot.com/-CK1vNkD3XO0/UjIzYW5X41I/AAAAAAAAIlk/5uWDJ4xOPBA/s1600/r%C3%A9gime+de+neutre+TNC.JPG