Sorry I did not see your email until now. Best to email me at steambrite@hotmail.com
We have quad 2 stage unit (operates on 1 or 2 power cords), each vacuum motor is 7.5 amps each = 30 amp total vacuum; OR Quad 6.6 - each vacuum motor is 12.5 amps each and operates on 1,2,3, or all 4 power cords....