how much does it cost for an electrician to install dimmers
1 These types of dimmer switches are installed in a wall and they usually cost anywhere from $17 to $40. 2  For example, the Lutron TG-600PH-WH retails for $15 to as much as $21. 3  This toggle-style dimmer switch can adjust the light at various levels; this can result in up to a 50% reduction in electricity usage.