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Question DetailsAsked on 10/15/2014

How much would it cost to hire an electrician to change a dryer plug from a three prong to four prong plug?

I just bought a condo that was built in 1978 and didn't come with a washer and dryer unit (stackable) they have one three prong plug for it, but I the new code requires a four prong plug. Is this something I can change out my self safely or should a professional be called in?

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This can get complex - because the wall outlet costs about $20-50 depending on amperage capacity (about $25 for most common) and an electrician to install it about $75-150 - or even more in a few very high priced city environments. However, if your appliance is three-prong then you need to go online or to an appliance store to buy the right amperage capacity cord for your unit because large appliance cords have molded ends and it is a VERY bad idea to cut them off and put on a new end - you should replace the entire cord at the appliance end lugs or terminals. Electrician can do this IF you have the new cord when he gets there- otherwise you first need to have an appliance repairman put in the new cord, then the electrician the outlet and test it - so about double the labor cost that way.


Not hard to do and there are a lot of videos on the web about doing this due to the new code requirement, but my recommendation is unless you are experienced with high-amperage wiring, leave it to the professionals. If you would be comfortable and experienced enough to replace the main lead from the meter base/master breaker or shutoff to the breaker box, then certainly you can do it - otherwise leave it to the pros, because a bad connection, kinked wire, or improperly tightened lug and you can get one heck of a short or hot spot or even spitting sparks without necessarily blowing the 30 to 50 amp breaker.

Answered 5 years ago by LCD




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