Dryer Outlet

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Joe Cool

Member
Hello and good day to all.

Am buying new electric clothes dryer and
wish to move to another location in the house.
I re-did the whole basement in EMT, so
I want to run 3/4" EMT from panel in basement
and up through the floor below the room where
the dryer will be located. It's about 40ft of pipe.

I don't have much residential wiring experience, so my question
is about the wire size. Seems number 10 THHN would work
but is it better to go up to 8AWG instead?

What would you guys normally run?

Thank you for your time.
 

iwire

Moderator
Staff member
Location
Massachusetts
What would you guys normally run?

10/3 NM cable every time.

But if it was in pipe 10 AWG, I see no advantage to using 8 AWG for what will not be more than 24 amps 40' from the panel.

The disadvantage of running 8 AWG would be dealing with 8 AWG at the receptacle.
 

kwired

Electron manager
Location
NE Nebraska
40 feet is not long enough run to have much impact on voltage drop.

If code allowed us to use 12 AWG it would still be sufficient from a voltage drop perspective IMO.

I wouldn't spend any extra on 8 AWG on this circuit, but if it was what was readily available may still use it the cost difference is not really that much either.

Now if you have other conductors in the raceway besides the dryer circuit you do need to consider possible ampacity adjustments - but will need more then 9 current carrying conductors before it should require needing to increase conductor size on this circuit - that probably will not happen in 3/4 raceway unless maye all the other circuits are only 14 AWG conductors.
 

qcroanoke

Sometimes I don't know if I'm the boxer or the bag
Location
Roanoke, VA.
Occupation
Sorta retired........
Hello and good day to all.

Am buying new electric clothes dryer and
wish to move to another location in the house.
I re-did the whole basement in EMT, so
I want to run 3/4" EMT from panel in basement
and up through the floor below the room where
the dryer will be located. It's about 40ft of pipe.

I don't have much residential wiring experience, so my question
is about the wire size. Seems number 10 THHN would work
but is it better to go up to 8AWG instead?

What would you guys normally run?

Thank you for your time.

since you're running EMT, 3 #10's, 2 hot's with the neutral. EMT can be used as equipment ground
 

Joe Cool

Member
since you're running EMT, 3 #10's, 2 hot's with the neutral. EMT can be used as equipment ground

Thank you all for kind replies.

!0 AWG is what I will use then.

I will probably run one black and white pair

of number 12AWG's for the laundry circuit

in the 3/4" since I want to eventually move

the washer next to the dryer.

From what I have read here, that should be okay.

What would you suggest for the 220 volt box/receptacle?

The easiest I guess would be the surface mounted plastic receptacle.

If I went flush mounted, what size/type of box is used?

Would a 4-11/16's with a mud ring be okay?

Might there be some kind of cut-in box for this purpose?

Thanks again for your help:)
 
Last edited:

iwire

Moderator
Staff member
Location
Massachusetts
Thank you all for kind replies.

!0 AWG is what I will use then.

I will probably run one black and white pair

of number 12AWG's for the laundry circuit

in the 3/4" since I want to eventually move

the washer next to the dryer.

From what I have read here, that should be okay.

What would you suggest for the 220 volt box/receptacle?

The easiest I guess would be the surface mounted plastic receptacle.

If I went flush mounted, what size/type of box is used?

Would a 4-11/16's with a mud ring be okay?

Might there be some kind of cut-in box for this purpose?

Thanks again for your help:)

For sure I would use a 4 11/16" box with two gang ring if going flush. A flush dryer outlet works in a single or two gang.
 

Joe Cool

Member
Because it's easier no better reason than that. And it would be a deep one as well.

I hate fighting to trim out.

Alright then. Once again you have all saved the day.

That's all the questions I have for now.

So, until next time... "Live Long And Prosper"
 

kwired

Electron manager
Location
NE Nebraska
With only 10 AWG conductors there is plenty of volume in a standard 4x4 with mud ring or raised cover but you can use a deep box if it makes you feel better. Solid conductors get a little trickier to push into the box, stranded conductors will not be a problem. If you were installing a range receptacle especially with 6AWG conductors - that extra depth and/or volume does make it easier to install the receptacle - though from recollection a standard 4x4 with at least 1/2 inch mud ring or raised cover still usually calculates to enough volume to meet box fill requirements.
 

kwired

Electron manager
Location
NE Nebraska
Yes, per the NEC for sure.

Per the 'iwire ease of trimming out code' a big box is better. :cool:

I guess I see the 4-11/16 as a little overkill for a 30 amp receptacle but not so much for a 50 amp receptacle, but you can bid against me if you want with homeowners that want lowest price. But then again if I don't want the job that bad I may figure the 4-11/16 box in my price and even increase to 1 inch raceway and 8 AWG conductors to see if they still are interested in me doing it;)
 

iwire

Moderator
Staff member
Location
Massachusetts
I guess I see the 4-11/16 as a little overkill for a 30 amp receptacle but not so much for a 50 amp receptacle, but you can bid against me if you want with homeowners that want lowest price.

We are not talking about a bid, a man doing work in his own home asked how we would do it.

Feel free to use whatever box you want. :cool:
 

kwired

Electron manager
Location
NE Nebraska
We are not talking about a bid, a man doing work in his own home asked how we would do it.

Feel free to use whatever box you want. :cool:

six gang device box 3.5 inches deep and custom wall plate to fit both washer and dryer receptacles plus blank spaces remaining - shouldn't have too much trouble with box volume;)
 

Sierrasparky

Senior Member
Location
USA
Occupation
Electrician ,contractor
six gang device box 3.5 inches deep and custom wall plate to fit both washer and dryer receptacles plus blank spaces remaining - shouldn't have too much trouble with box volume;)

A bit over kill:thumbsup:
 
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