... High-pressure sodium vapor lamp:70W,100W,110W,150W,250W Metal halide lamp:70W,100W,175W,250W8.Cable specification: φ10mm-φ14mm9.Inlet ... to model instructions and note Ex-mark.For example:If metal halide lamp 250W is needed,of celling mounting type,with ballast ... .Please note if power factor cosφ>=0.85.3.All lamps exclude lamp sources when ex-factory, lamp sources can be ...