I bought one Varilight remote dimmer, two way 2x400w for use as simple switser (on/off) for 40 x GU10 3w Led bulbs.The switser has 2 gang.1 for control 20x3w bulbs and the other gang to control the other 20x3w bulbs.That is what i want to do,but is not so easy.... When i connect one led bulb to...