===== Two Gang Light Switch ===== {{:electrics:lighting:2g2w.jpg|:electrics:lighting:2g2w.jpg}} This is the back of a 2 gang 2 way switch yours may vary slightly. It is 2 switches on the back of the same switch plate, one being up side down in relation to the other. so that each switch muct use C and L1 or all 3 The dividing line shows which is which half it makes no difference if it is a dimmer switch or just an on / off switch [forum]