Wac Lighting HR-8402HL 4in Low Voltage New Construction Housing, Aluminum Integral Magnetic 12V transformer with 120V input, 1W minimum load, and 75W maximum. Available in new construction and remodel or 120V and 277V options May be used with any WAC compatible 4 inch trims: hr-d411, hr-d412, hr-d413, hr-d416, hr-8411, hr-8412, hr-d425, hr-d417, hr-d418, hr-d418-s hr-8414, hr-8417 Junction box includes seven knockouts and four Romex Connectors for ease of installation. Rated for branch and chain wiring Rating: non-ic rated. Supplied thermal protector protects against over-lamping. J-box and transformer accessible through Ceiling Smooth and continuous dimming to 10% with an MLV (Magnetic low Voltage) dimmer