The JR mounting arm features two seamless 2” by 3” (51 by 76 mm) rectangular aluminum extrusions, welded on both sides to the central pole adaptor and to the luminaire adaptor.
The mounting arm includes a 4” (102 mm) O.D. extruded aluminum luminaire adaptor welded to the arm for luminaire mounting. ~LT~br~GT~ ~GT~ For pole supplied by others, we strongly recommend the OV option. ~LT~a href="http://www.lumec.com/Lumec3Dv2/home/index_en.php" target="_blank"~GT~~LT~b~GT~Lumec3D: Online 3D Configurator~LT~/b~GT~~LT~/a~GT~