Lacag ka sokow, sidee ayuu Westinghouse ku guuleystay dalabka? Marka la eego su'aasha hore, ku qor macnaha guud ee jawaabta. Waxay noqon kartaa 1 ilaa 20 jumladood. Macnaha guud:
Sanadkii 1893, George Westinghouse ayaa ku guuleystay dalabkii lagu iftiimiyay Bandhigga Caalamiga ah ee Columbian Exposition ee 1893 ee Chicago isagoo adeegsanaya dalab kale, isagoo ka badiyay dalabkii General Electric hal milyan oo doolar. Bandhigii Adduunka waxaa lagu soo bandhigay qalabka korontada. Waxay ahayd dhacdo muhiim u ah taariikhda awoodda AC, maadaama Westinghouse ay muujisay amniga, isku halaynta, iyo hufnaanta nidaamka hadda socda ee si buuxda loo dhexgeliyey dadweynaha Mareykanka. Bandhigga Columbian, oo ku hoos jiray boorar ku dhawaaqaya "Nidaamka 'Tesla Polyphase System', Tesla wuxuu soo bandhigay taxane saameyn koronto ah oo horey loogu sameeyay Ameerika iyo Yurub oo dhan, 76 waxaa ka mid ahaa isticmaalka danab sare, soo noqnoqoshada sare ee isbeddelada hadda si loo iftiimiyo laambad gaas-saarid wireless ah.