Step 5: Connect The Wires

Thread the electric cable from the bathroom through a cable connector and into the junction box. Remove the box cover. Using wire nuts and electrical tape, connect the fan's wires to the cable's—black to black, white to white, green to bare copper—as illustrated in the fan's instructions. Replace the cover.

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    Tools List

    • flathead screwdriver
      Flat-head screwdriver
    • Phillips screwdriver
      Phillips-head screwdrivers
    • keyhole saw
      Keyhole saw
    • drill

    Shopping List

    Bath fan rated to your bath's cfm needs
    Insulated duct
    Zip ties
    Foil tape