+18 Add Outlet To Existing Light Fixture References. Web most of the cost to install a light fixture professionally is labor. The average cost is $550 and can range from $150 to $950.
Web ideal industries inc. Web if you want to add a light and have an existing circuit then this is a great diy method to add a light fixture to any room! This method uses a plastic old work box, a plastic light fixture, and 14.
