Response to Hi Mark, We are not pulling anything up on Amerlite p/n 74428100 however as long as your light uses a standard screw-in style bulb then the Pure Colors will work on your Amerlite. You will want to double check your voltage as the bulb is available in 12V or 120V, normally this is listed on the face of your bulb or on the back of the light housing. No special switch is needed for this bulb, you would simply change the colors through a standard light switch by flipping the switch on and off to cycle through the colors.
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