page 7GROUNDING INSTRUCTIONSWIRINGGrounding Instructions – This appliance must be grounded. If it should malfunction or break down, grounding provides a path ofleast resistance for electric current, to reduce the risk of electric shock. This appliance is equipped with a cord having anequipment-grounding conductor and grounding plug. The plug must be plugged into an appropriate outlet that is properly installedand grounded in accordance with all local codes and ordinances.This appliance is for use on a standard 120 VAC, dedicated 15-amp branch circuit with a NEMA 5-15R receptacle or a dedicated20-amp branch circuit with a NEMA 5-20R receptacle for NuTone models VX475CC and VX550CC. For NuTone model VX1040CC,a dedicated nominal 240 VAC, individual 20-amp branch circuit with NEMA 6-20R receptacle is required. Make sure that theappliance is connected to an outlet and has a grounding attachment plug that looks like the plug shown in either Fig. 5 or Fig. 6depending on the model. No adapter should be used with this appliance.TOOTHERINLETSNOTE: INLET LEADS TO BE CONNECTED TO POWER UNITTERMINALS USING CRIMP CONNECTORSAND LOW VOLTAGE WIRE HARNESS.INLETLEADSMODEL V133 18/2 WIREPOWERUNITPOWERCORDNORTH AMERICAAC ELECTRICOUTLETGROUND PINNEMA 6-20R240 VOLT GROUNDEDOUTLET BOXAE0008ACRIMP CONNECTORSLOW VOLTAGE WIRELOW VOLTAGEWIRE HARNESSNuTone VX1040CCTOOTHERINLETSNOTE: INLET LEADS TO BE CONNECTED TO POWER UNITTERMINALS USING CRIMP CONNECTORSAND LOW VOLTAGE WIRE HARNESS.INLETLEADSMODEL V133 18/2 WIREPOWERUNITPOWERCORDNORTH AMERICAAC ELECTRICOUTLET120 VOLT GROUNDEDOUTLET BOXNEMA 5-15RORNEMA 5-20RGROUND PINCRIMP CONNECTORSLOW VOLTAGE WIRELOW VOLTAGEWIRE HARNESSAE0030ANuTone VX475CC AND VX550CCFIG. 5FIG. 6WARNINGImproper connection of the equipment-grounding conductor can result in a risk of electric shock. Check witha qualified electrician or service person if you are in doubt as to whether the outlet is properly grounded. Donot modify the plug provided with the appliance – if it will not fit the outlet, have a proper outlet installed bya qualified electrician.!