We would not recommend this fixture to be mounted horizontally, as it is not intended to be installed that way. This fixture is intended to be installed vertically, as shown in the picture.
Here is a copy of the instruction manual:http://www.e-conolight.com/pdf/Instructions/LPN00271X0001A0_A%20(new).pdf.
For additional questions, please call our customer service department at 1-888-243-9445.
Date published: 2017-02-21