... 1:pole lighting2:Material:stainless steel3:Protection levels: IP23(Electric box) IP54( Fixture ) 4:Erection and installation External ballast ... stadium.6: Featureslarge area lighting, lighting effect is good, light concentration, light uniformity, glare is small, easy to-day control, ... stainless steel . Fasteners, bolts, nuts stainless steel. Control box installed at the poles or the poles in the lower ...