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Thread: Double 14AWG wiring gauge

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  1. #1
    DIY Senior Member chefwong's Avatar
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    Default Double 14AWG wiring gauge

    Two 14's double up = how many gauge.
    12 gauge or 11 gauge.


    This is not for electrical.....
    I'm need to buy a crimp connector sleeve and need to determine it based on a doubled up 14awg

  2. #2
    Licensed Electrical Contractor Speedy Petey's Avatar
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    There is no cross reference. You'd have to use the tables in the back of the NEC to get the actual diameter of the conductors.

  3. #3
    Retired Defense Industry Engineer jadnashua's Avatar
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    Gauge
    Inches (decimal)
    Inches (fractional)
    Millimeters
    20
    .032
    approx. 1/32"
    .812
    18
    .040
    > 1/32"
    1.024
    16
    .051
    < 1/16"
    1.291
    14
    .064
    approx. 1/16"
    1.628
    12
    .081
    > 1/16"
    2.053
    10
    .102
    < 1/8"
    2.588
    8
    .128
    approx. 1/8"
    3.264
    6
    .162
    > 1/8"
    4.115
    4
    .204
    < 1/4"
    5.189
    2
    .258
    approx 1/4"
    6.544
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer

  4. #4
    General Engineering Contractor ballvalve's Avatar
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    Very handy chart, can you get a few more larger sizes under the 2?

  5. #5
    DIY Senior Member chefwong's Avatar
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    How does that translate to combined. For example, I know the quad 16ag I use, the combined dual 16's = 13AWG

  6. #6
    Retired Defense Industry Engineer jadnashua's Avatar
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    0
    .325
    5/16"
    8.251
    00
    .365
    approx. 3/8"
    9.266
    000
    .410
    7/16"
    11.110
    0000
    .500
    1/2"
    12.710
    9/16"
    .563
    9/16"
    14.287
    5/8"
    .630
    5/8"
    15.875
    3/4"
    .750
    3/4"
    19.050
    7/8"
    .875
    7/8"
    22.225
    1"
    1.000
    1"
    25.400
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer

  7. #7
    Retired Defense Industry Engineer jadnashua's Avatar
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    Quote Originally Posted by chefwong View Post
    How does that translate to combined. For example, I know the quad 16ag I use, the combined dual 16's = 13AWG
    Don't know, but it seems like two 16g (each 0.051") would need an opening twice that, or a 10g capability (0.102").
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer

  8. #8
    DIY Senior Member BobL43's Avatar
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    Quote Originally Posted by chefwong View Post
    Two 14's double up = how many gauge.
    12 gauge or 11 gauge.


    This is not for electrical.....
    I'm need to buy a crimp connector sleeve and need to determine it based on a doubled up 14awg
    If it's not for electrical application, then you are using this to do what, hang a picture?
    Two conductors twisted and fastened d to a crimp type connector? Just twist them and measure the OD and pick from Jim's chart?
    I am definitely not a pro plumber, but I am a pro crastinator

  9. #9
    DIY Senior Member chefwong's Avatar
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    Just making fancy speaker connections with my WBT crimp sleeves....

    Don't start the bare copper vs. connector debate ;-/

  10. #10
    Electrical Contractor/Instructor jwelectric's Avatar
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    Quote Originally Posted by chefwong View Post
    Just making fancy speaker connections with my WBT crimp sleeves....

    Don't start the bare copper vs. connector debate ;-/
    Why would you want to parallel conductors for speakers? This is a very bad idea due to the resistance of the conductors that will have an effect on the amp.

    I always use stranded conductors for speakers due to eddie currents and would never for any reason install parallel conductors for any type of sound system.

    What size amp are you using? It must be big in order to use #14 AWG conductors.

  11. #11
    General Engineering Contractor ballvalve's Avatar
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    One may notice from that code quote on big conductors that a 50% increase in size brings only a 15% increase in conductivity. Is this the flow of electrons on the perimeter of the cable factor?

    Seems like the parallel cables would give more heat dispersing area...

  12. #12
    Jack of all trades DonL's Avatar
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    Quote Originally Posted by ballvalve View Post
    One may notice from that code quote on big conductors that a 50% increase in size brings only a 15% increase in conductivity. Is this the flow of electrons on the perimeter of the cable factor?

    Seems like the parallel cables would give more heat dispersing area...

    In theory X 2 or 100% increase would give the wire 1/2 of the resistance and 1/2 of the voltage drop for the same length wire run.

    1/2 of the voltage drop would produce less heat, but there are a lot of other factors that affect wire temperature.

    When it comes to Audio and Paralleling speaker wires, Phasing is important.

    1 speaker can cancel the sound of another if not properly phased.


    I guess chefwong is hanging speakers with this wire, as he said "This is not for electrical....."
    Don't pay someone to do a job fast, when you can do a half-fast job yourself.

  13. #13
    IBEW Electrician big2bird's Avatar
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    Quote Originally Posted by ballvalve View Post
    One may notice from that code quote on big conductors that a 50% increase in size brings only a 15% increase in conductivity. Is this the flow of electrons on the perimeter of the cable factor?

    Seems like the parallel cables would give more heat dispersing area...
    Skin effect has some factor. Basic rule of thumb. Copper is good for 1,000 amperes per 1" square cross section. Aluminum is 700 amperes per 1" cross section.

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