Convert 110 To 120/240

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  #1  
Old 02-27-04, 03:12 PM
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Convert 110 To 120/240

I am new here and dont know much about electrical work. Purchased a dryere that needs 120/240 volt 30 amps and a 3 or 4 wire receptacle. If i want to change my existing outlet to a 3 wire receptacle can i just change it at the outlet or must a new line be run from the box.


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Old 02-27-04, 04:12 PM
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What is the existing circuit made of? How many wires, what size and what size breaker serve it?
 
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Old 02-27-04, 04:13 PM
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From your title "convert 110, etc." I'm assuming that's the plug you're talking about.
If the dryer requires a 120/240 volt, 30 amp circuit, the existing wire would have to be a minimum of #10 AWG 2 conductor w/ground (which it probably isn't). I guessing the existing circuit is a #14 or #12 AWG wire which will not carry the current. In addition, it will be on a single pole breaker. Your new circuit will require a double pole 30 breaker at the panel.
 
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Old 02-27-04, 06:32 PM
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Chances are the outlet you want to change is on a circuit feeding other 120volt outlet.The best thing to do is to call a pro and have a new line installed.
 
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Old 02-27-04, 06:36 PM
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In addition, all 240v.appliances such as clothesdryers,ranges cooktops,etc. require 2 hots,1 neutral,1 ground as per electrical code. Air conditioning circuits are still allowed to use 2 wire.
 
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