Bus Ducts (Busways, Busplugs) Primarily used for commercial and industrial applications, busways, or bus ducts, are sheet metal ducts, which insulate copper or aluminum bars for the purpose of conducting and distributing electricity throughout a building. Often run along the ceiling, bus ducts are an alternative to power cables, which ensure the efficient distribution of power through the use of bus plugs, which supply localized power down to the machines and equipment that needs it. View our 342 listings of Busways and Bus Plugs today!Categories Bus Duct (78) Bus Plugs (264)Popular Bus Ducts (Busways, Busplugs) This Month 2000 Amps, Eaton LSN0031000, busway, Pow-R-Way-III ... Bus Duct 400 Amps, Starline, Busway Bar, 29' length, 480Y/277 V Bus Duct 30 Amps, Starline, tap off 208Y/120 Bus Plugs 200 Amps, Square D, PQ4220G, Fusible I-Line Busway Bus ... Bus Plugs 60 Amps, General Electric #FVK463R, flex-a-plug ... Bus Plugs 3200 Amps, ABB, 212C1002P113, Spectra Series Busway ... Bus Plugs 100 Amps, Vertiv #ULTB3-100SF-ABB-3P-100A, Busways ... Bus Plugs 100 Amps, Bulldog/ Bulldog bus plug, Cat BOS14353, 600 ... Bus Plugs 100 Amps, Square D, PQ3601G, 3 phase, Ground, 600 ... Bus Plugs 1000 Amps, Square D, AP2310G, AP510, bus duct, in stock Bus Duct 2000 Amps, Square D, i-line ii aph252, 10' Busway ... Bus Duct 2000 Amps, Square D, i-line ii aph252, 8' Busway, 600V ... Bus Duct 100 Amps, Vertiv #ULTB3-100SF-ABB-3P-100A, Busways ... Bus Plugs 400 Amps, Siemens, XJ-L Busway, w/6 Tap Boxes & Feed ... Bus Duct 800 Amps, General Electric, LF3HA08TBST, Busway, 3 ... Bus Duct 100 Amps, Starline, EF100NG-4, Busway w/Tap Boxes, 300 ... Bus Duct 1600 Amps, Square D, PTPA361600, bus plug, 1600 amp ... Bus Plugs 400 Amps, Square D, PBLX36400GNG, bus plug, breaker ... Bus Plugs 1600 Amps, General Electric, F3HC16SLI10, copper ... Bus Duct 1600 Amps, Square D, AP2516G10, AP416, CP2516G10 ... Bus Duct