Hi Greg, You can look at something along these lines: <http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2567596971&category=4665 > Roderick > I understand that the suggested way of adjusting the light level of hot lights > would be to move the light, use a reflector or diffusion material etc. but I > was wondering about just using a household dimmer. I bought some old 650 watt > movie lights and I looked in the local hardware store where it seems all the > dimmer switches were rated at 600 watts.