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View Full Version : Can a photocell be use through a ballast or with a ballast and how


ronaldt66
Jun 20, 2012, 07:27 PM
You have a outside sign light that use a 120v ballast, how do you connect a photocell to make it work?

tkrussell
Jun 21, 2012, 02:30 AM
Insert the photocell into the feed to the sign. Same as a switch.