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Hooking up electric dryer

W

Wile E

Well-known Member
When hooking up a 30 amp electric clothes dryer is the white neutral on the third prong or the bare ground on the third prong.

Chime in please I am hooking up a new dryer circuit.
Thanks.
 
(quoted from post at 17:46:09 11/18/14) Ok thanks.
Click to expand...

Just hope that neutral connection is never open on those three wire plugs. Or the person doing laundry can get whacked with 120V from anywhere on the dryer.
never let anybody tell you ground and neutral is the 'same thing".
They are no more related than a hot water tap in the house is related to the fire hydrant out on the street.
 
About three weeks shy of a year ago we helped our son move into a new house in NC. I was very surprised to find the dedicated dryer receptacle had only three slots. His existing dryer, which we had moved in, had a four prong plug. I went to the big box store and got a three prong pigtail. Fortunately inside the back of the dryer gave instructions as to how to re arrange the wires on the junction block. I suppose the option is there for grandfathered situations like ours at home which is old enough it was before they went to four wires.
 
Sure its not a 3 Pole 4 Wire Grounding Outlet and Plug????????

The White GrounDED Conductor (Neutral) should have its own terminal, while the bare/green Equipment GroundING Conductor has its own if its a 3 Pole 4 Wire Grounding outlet and plug.

Thus an old or a later model dryer???

John T
 
The green ground on the 4-pole 240 volt plug
serves the same purpose as the ground on 3-
prong 120 volt plugs; old stuff didn't have it
and it was added years ago for extra safety.
The only reason they need a white neutral to
the dryer is that some of the dryer components
(display, timer, motor, etc) are running on
120V while the heating coil is 240V. If
everything in the machine were running at 240
volt 2 hots + a ground would be perfectly safe.
Like an electric 240 volt water heater in your
basement, you only need 2-wire + ground. An
open neutral by itself is not going to cause
someone to be shocked, there would have to be
some other breakdown failure as well.
 
I followed up on Bubba work. He wired a 3 wire dryer with Black and white as 220 and Red as ground/neutral. Get your voltmeter out and look inside load center. Are you wiring a 4 wire plug?
 
The plug on the dryer that I have.....Bought a few years ago is a 3 prong. (not 4) The 10AWG that I bought has black, red, white, bare ground. I wired it up as Black- hot, red, hot, white neutral, snip off the bare ground at the outlet. Inside the service panel I wired the white neutral to the neutral bar. I also wired in the bare ground to the ground bar inside the service panel.
The dryer works fine, I just ran it 15 minutes ago. I agree with you B and D that the dryer should have a 4 prong plug, but......it has the 3 pronger.
 
3 years ago I installed a new dryer. It was wired at factory for 3 wire. Instructions on dryer said it needs a 4 wire plug ONLY IF IT'S USED IN A MOBILE HOME. I wish I had taken a pic of the instructions on back of dryer.

I have Google, “how many have been electrocuted by clothes dryers”. Only found one, where a boy playing hide and seek, came in contact with the junction box on back of dryer. Like someone left the cover off the back.

So does anyone have stats on how many are electrocuted in US, causes, dryers, stoves?
 
As of 3 years ago, around here, driers are sold without a cord attached.

You need to buy a 3 or 4 wire cord to match what your house has for a plug.

The manual and back of the drier has instructions on how to wire up the different cords.

Same for electric ranges.

Paul
 
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