Source google image: http://cdn-scraplogo.pearltrees.com/92/60/9260e03caf6dd747b2fc34a768c8ae72-pearlsquare.jpg?v=2
Schema electrique de base
Source google image: http://cdn-scraplogo.pearltrees.com/92/60/9260e03caf6dd747b2fc34a768c8ae72-pearlsquare.jpg?v=2