Ltpgtvarilight dimmer switches gives outstanding performance and gives long life and these dimmers are designed to meet the latest european safety legislationltbr gt ltbr gt the standard dimmers are suggested for mains voltage lighting only even though they can also be used on low voltage applications but the intelligent iq dimmer is best suited for for 1 way circuits when selecting a standard dimmer add up the wattages of the bulbs you wish to dim and choose a dimmer with a s