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Thread: Outlets for Washer/Dryer Combo

  1. #11
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    Quote Originally Posted by mopowr steve View Post
    Probably a good idea to install both anyway aside code, you never know when the stack unit may become a seperate stackable washer/dryer that would require each type of receptacle.
    That is my thoughts on what would be best.

    Quote Originally Posted by shortcircuit1 View Post
    1500VA for laundry circuits includes this receptacle and the one for washer/dryer combo?
    I think you need to include 1500 VA for the required laundry circuit plus an additional 5000 watts (or nameplate rating if more then 5000) -in accordance with 220.54

  2. #12
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    Quote Originally Posted by shortcircuit1 View Post
    I have a LG WM3488HW combo unit. I tried looking at manufacturer spec sheet for power connection and it was saying one 3 prong receptacle is required but no where it was saying the size of the receptacle..
    I looked at the spec sheet. On page 6, in the safety instructions, it says,
    The power cord of this appliance is equipped with a 3-prong (grounding) plug which mates with a standard 3-prong (grounding) wall outlet. . . .
    Where did you get the idea that a 30 amp outlet was needed? If you install a 20 amp circuit and a 20 amp duplex receptacle, your installation will satisfy code and will serve the equipment.

    I found the manual here:
    http://www.lg.com/us/support-product/lg-WM3488HW


    Charles E. Beck, P.E., Seattle
    Comments based on 2014 NEC unless otherwise noted.

  3. #13
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    This particular unit is a 120V combo unit, as Charlie stated, I thought we were talking stack unit at first, but I see this is a single unit. I have wired one of these before. Very small capacity but it does wash and dry within the same unit.

    In this case, no other circuit is required. If there is a possibility of a regular dryer going in some day then you may want to wire for that now unless adding it later is doable,

    Op did say stacked unit... this is not the case
    They say I shot a man named Gray and took his wife to Italy
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  4. #14
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    Quote Originally Posted by charlie b View Post
    I looked at the spec sheet. On page 6, in the safety instructions, it says, Where did you get the idea that a 30 amp outlet was needed? If you install a 20 amp circuit and a 20 amp duplex receptacle, your installation will satisfy code and will serve the equipment.

    I found the manual here:
    http://www.lg.com/us/support-product/lg-WM3488HW


    I was under the general idea that most of the dryers now a days require 30A receptacle.But yes you are right i looked under tech specs it only draws 10A i should be good with 15A simplex receptacle rather than a 20A duplex receptacle?

  5. #15
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    Quote Originally Posted by kwired View Post
    That is my thoughts on what would be best.

    I think you need to include 1500 VA for the required laundry circuit plus an additional 5000 watts (or nameplate rating if more then 5000) -in accordance with 220.54
    Yes you are right i looked at Annex D examples and they did add 1500VA + Washer/Dryer Load...Thanks.

  6. #16
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    Quote Originally Posted by shortcircuit1 View Post
    I was under the general idea that most of the dryers now a days require 30A receptacle.But yes you are right i looked under tech specs it only draws 10A i should be good with 15A simplex receptacle rather than a 20A duplex receptacle?
    Is this a 20A circuit?

    You cannot put a 15A simplex on a 20A circuit. 220.21(B)(1)

    You would need a 15A duplex. 210.21(B)(3)
    "Electricity is really just organized lightning." George Carlin


    Derek

  7. #17
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    Quote Originally Posted by shortcircuit1 View Post
    Yes you are right i looked at Annex D examples and they did add 1500VA + Washer/Dryer Load...Thanks.
    If the dryer is integral part of the same washing appliance and it only needs one 120 volt supply - the only code requirement is a 20 amp laundry circuit and 1500 VA used for load calculation. The 5000 VA(+) dryer load calculation figure only applies if you have an additional "electric dryer", I would think. Gas dryer is covered by the required 1500 VA laundry circuit, and there is no NEC requirement to install an electric dryer outlet if you don't have an electric dryer.

  8. #18
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    Quote Originally Posted by jumper View Post
    Is this a 20A circuit?

    You cannot put a 15A simplex on a 20A circuit. 220.21(B)(1)

    You would need a 15A duplex. 210.21(B)(3)
    No its not a 20A circuit what i was referring to is the specs in the manual say it requires 120V,10A so i should be good with 15A simplex receptacle on a 15A circuit rather a duplex 20A receptacle on a 20A circuit..

  9. #19
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    Quote Originally Posted by kwired View Post
    If the dryer is integral part of the same washing appliance and it only needs one 120 volt supply - the only code requirement is a 20 amp laundry circuit and 1500 VA used for load calculation. The 5000 VA(+) dryer load calculation figure only applies if you have an additional "electric dryer", I would think. Gas dryer is covered by the required 1500 VA laundry circuit, and there is no NEC requirement to install an electric dryer outlet if you don't have an electric dryer.
    I am curious as to now a days all the individual dryers require 240V,30A circuit but this combo washer/dryer requires 120V for both washer and dryer..How are they able to do that with just 120V?

  10. #20
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    Quote Originally Posted by shortcircuit1 View Post
    I am curious as to now a days all the individual dryers require 240V,30A circuit but this combo washer/dryer requires 120V for both washer and dryer..How are they able to do that with just 120V?
    Either it is a gas dryer that just uses electrical connection for drum and fan motors and controls or it dries very very slowly.

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