Source google image: http://3.bp.blogspot.com/-KCZSeU7mnyc/TmUf-Foo2DI/AAAAAAAABF0/me6cVphpAeE/s1600/Sch%25C3%25A9ma+%25C3%25A9lectrique+du+variateur+220+volts+11.jpg
Schema electrique eclairage avec variateur
Source google image: http://3.bp.blogspot.com/-KCZSeU7mnyc/TmUf-Foo2DI/AAAAAAAABF0/me6cVphpAeE/s1600/Sch%25C3%25A9ma+%25C3%25A9lectrique+du+variateur+220+volts+11.jpg