H.I.D. Ballasts > PULSE-START METAL HALIDE LAMP 120-277V STANDARD: UL1029/C22.2 No.74 E187769 Please products below, and. click Add to Inquiry List for inquiry. MH A B PDF Select MH : A : 30 B : 74 PDF : Select : MH : A : 30 B : 74 PDF : Select : Add to Inquiry List Review Inquiry List Back Related products 120-480V 120-480V 120-277V Please check out our products in the following categories: >> Certificates >> Old_Our Product >> Our Product