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wiring?

Discussion in 'Electrical Engineering' started by A C, Dec 29, 2005.

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  1. A C

    A C Guest

    can I have regular romax run from inside my
    house to a romax connector on the back side
    of a weather proof box,I want to have a outside
    receptacle,it seems there is regular nm romax
    run to the outside lights,is this the same?the weather proof box
    would be flush with my house siding.i suppose
    i could silicone it as well,thankyou in advance.
     
  2. Fred

    Fred Guest

    Should be fine as long as the romex isn't exposed.

    Fred
     
  3. A C

    A C Guest

    there is most likely a chance rain water will go
    behind the box,will that be ok?,when you say
    exposed do you mean to water?
     
  4. Guest


    I would worry a lot more about the water getting into the house than
    it getting into the box..
    Most inspectors are OK with Romex serving a box mounted directly on an
    outside wall, as long as the wire goes straight into the box from
    inside.
    If it is running down the outside of the wall, even in conduit, it
    needs to be a wet location wire.
    You do need to caulk around the box to stop water intrusion,
     
  5. A C

    A C Guest

    thats true water in the outside wall,the receptacle i need is for a
    generator,and ive
    heard about outside wires,this wire would need to be 10awg,thats a big
    hole.
     
  6. ehsjr

    ehsjr Guest

    Here's a tip:

    Wall
    | |
    Box | |
    ----| |
    | | /
    | |/ < Hole at downward angle
    | /|
    | / |
    | | |
    ----| |
    | |

    Since the sheathing may be only ~ 1/2" thick, this is not
    a "cure-all". You still need to caulk the hole. But
    exterior wall penetrations should always be made at a
    downward angle.

    Ed
     
  7. nice trick Ed thankyou,,my main concern was that the inside wire/used
    outside, would get wet and may be
    exposed to weather and rot away.I have seen
    romax inside pvc conduit outside with romax.
    its been there many years,with no damage.
    I can see underground being trouble.If a person
    wanted to install a receptacle in a second floor bedroom and had to run
    pvc conduit from
    basement out and up to say an air conditioner
    receptacle that is back inside,what would work
    for that?
     
  8. Pop

    Pop Guest

    :A C wrote:
    : > can I have regular romax run from inside my
    : > house to a romax connector on the back side
    : > of a weather proof box,I want to have a outside
    : > receptacle,it seems there is regular nm romax
    : > run to the outside lights,is this the same?the weather proof
    box
    : > would be flush with my house siding.i suppose
    : > i could silicone it as well,thankyou in advance.
    : >
    :
    : Here's a tip:
    :
    : Wall
    : | |
    : Box | |
    : ----| |
    : | | /
    : | |/ < Hole at downward angle
    : | /|
    : | / |
    : | | |
    : ----| |
    : | |
    :
    : Since the sheathing may be only ~ 1/2" thick, this is not
    : a "cure-all". You still need to caulk the hole. But
    : exterior wall penetrations should always be made at a
    : downward angle.
    :
    : Ed

    Damn! I KNEW I forgot something! Next spring; too cold now!

    <g>
    Pop
     
  9. daestrom

    daestrom Guest

    Another 'trick' I've learned is to drill a hole in the bottom side of the
    box. Unless you think water is going to get up that high. But in that case
    you have flooding damage anyway. Point is, if any water *does* find it's
    way into the box, you would prefer it find a way out again before it fills
    up the box.

    One job I worked had a problem with water running down inside the conduit
    and accumulating in the box, eventually filling up to the terminals and
    started some nasty corrosion problems and grounds.

    Although I suppose this ruins the box's 'waterproof' rating, I don't think
    all outside outlets/fixtures have to be 'waterproof', just 'weatherproof'.

    daestrom
     
  10. My problem was with the inside wire/romax
    running outside to the back of the box.It would
    run straight into the box from cellar,seems like its outside.But i guess
    thats ok,
     
  11. ehsjr

    ehsjr Guest

    THHN. (That's the wire that is inside the Romex
    sheathing.) Or just put romex in the conduit
    if that's what you have. The PVC provides the
    necessary protection.

    You also might want to consider using liguidtight
    flexible nonmetallic conduit, like this:
    http://www.carlon.com/Brochures/7B1.pdf

    Ed
     
  12. Roy Q.T.

    Roy Q.T. Guest

    Damn Dude with a Name like Kilovolt [is it?} one would think you know
    these things };-) Only Residential Considerations Apply.

    [about 120vac 15-20A]

    Of Course you can a make the run with NM Multiple Conductor Cable
    (Romex™ or UF) the Idea Is: it has to be kept safe from Physical
    Damage either by the Bldg. Structure, Employing Aditional Conduit &
    underground depth quidelines or Adequate Protection through-out the
    Installation if you are running a long way from the Bldg.
    Since you are not going Underground; Your Weather Proofing Scheme is
    Sound Enough an Installaio...Oh! Plus: Any Outlet on your Outside Wall
    must be GFCI Protected.

    " Happy Holidays to You All "

    Roy Q.T.
    Urban Technician
    [I don't make em, I just fix em]
     
  13. A C

    A C Guest

    thankyou,,the name is kilavolt,,not kilovolt...
    thanks again
     
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