How to Convert a 30 Amp Plug Into a 20 Amp


Plugs are generally very similar; it is the fuse rating inside the plug that determines what amperes it can take. However, the wires connected to a 30-amp plug are different to those wired to a 20-amp plug. Wire gauge is an important factor in electrical safety and the thicker the wire the more amperes it can carry. Fortunately, converting a 30-amp plug into a 20-amp plug doesn't create any safety concerns because the wires connected to the 30-amp plug are more than capable of taking 20 amperes.

Things You'll Need

  • Screwdriver
  • 20-amp fuse
  • Remove the plug from the wall socket. Use a screwdriver to remove the cover on the plug so you can access the 30-amp fuse.

  • Pry out the 30-amp fuse from the fuse holder using a screwdriver. Insert the screwdriver into the end of the fuse and lift up the fuse. Remove the fuse using your fingers.

  • Put in a 20-amp fuse. Push down on the fuse using your fingers so it clips in place.

  • Replace the plug cover. Use a screwdriver to tighten the screw so the cover is secure. Insert the plug into the wall socket.

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