Today we're going to be taking a look at the Gustafson Recessed Halogen Puck Light. It uses a JC10 12-volt, 10 watt halogen bulb. It's got a 2-wire design, which is going to provide your power wire and ground wire. This does require a 2 1/2 inch-diameter hole at the desired mounting position because it is a recessed mount installation. It does come with spring clips, right here. The spring clips… see more >