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Thread: Is my proposed wiring practical

  1. #21
    Join Date
    May 2017
    Location
    california
    Posts
    14

    The neutral wire runs without change from the book view

    Quote Originally Posted by jumper View Post
    How is the neutral ran?

    What exactly do you mean by "one wire only"? You cannot just run a single hot conductor by itself.



    The neutral wire runs without change from the book view. it just runs separate from its cable. it is still spliced
    to the cans, but now its past banished cable companions don't have to travel to the cans with it, less splicing,
    less work.

    The one wire explanation: on each three way switch' not the two traveler wires, but the one wire remaining.
    not part of a cable, its a single wire (one wire only).

    Time and work are saved because' The neutral still has to route and splice into the four fixtures, but since
    the neutral is no longer part of the previous 12/3 cable, the other two wires (travelers) don't have to route
    and splice into the four fixture wires.

  2. #22
    Join Date
    Dec 2008
    Posts
    188
    What do you mean by a single wire not part of a cable? It is never acceptable to have single wires run thru walls or ceilings... they are always inside conduit or inside NM cable. The antiquated knob and tube system used single wires run thru porcelain insulators and loom so the wires did not touch wood, metal, or insulation. When insulation is added to older houses, the k & t must be replaced first.

  3. #23
    Join Date
    May 2012
    Location
    Amissville, Virginia USA
    Posts
    148
    Quote Originally Posted by mlnk View Post
    What do you mean by a single wire not part of a cable? It is never acceptable to have single wires run thru walls or ceilings... they are always inside conduit or inside NM cable. The antiquated knob and tube system used single wires run thru porcelain insulators and loom so the wires did not touch wood, metal, or insulation. When insulation is added to older houses, the k & t must be replaced first.
    This guy knows what he is talking about!

    Sent from my SM-T350 using Tapatalk

  4. #24
    Join Date
    Jun 2015
    Location
    texas
    Posts
    1,457
    Quote Originally Posted by bbeell@live.com View Post
    The neutral wire runs without change from the book view. it just runs separate from its cable. it is still spliced
    to the cans, but now its past banished cable companions don't have to travel to the cans with it, less splicing,
    less work.

    The one wire explanation: on each three way switch' not the two traveler wires, but the one wire remaining.
    not part of a cable, its a single wire (one wire only).

    Time and work are saved because' The neutral still has to route and splice into the four fixtures, but since
    the neutral is no longer part of the previous 12/3 cable, the other two wires (travelers) don't have to route
    and splice into the four fixture wires.
    It doesn't add that much work/extra time imo to do the joints in any 3 way setup- we're talking what would be some #14, soft n'easy.....
    It shouldn't take no more than 20 seconds from stripping to putting the final tug on the cap to make a splice thats as good as an unbroken section of wire.

    Seriously just forget this and do what Dennis Alwon mentioned.

  5. #25
    Join Date
    Mar 2008
    Location
    Michigan. It's a beautiful penninsula, I've looked around.
    Posts
    9,143
    Another issue would be the placement of the 2 way dimmer switch ahead of the three way switches.
    Cheers and Stay Safe,

    Marky the Sparky

  6. #26
    Join Date
    May 2012
    Location
    Amissville, Virginia USA
    Posts
    148
    Quote Originally Posted by K8MHZ View Post
    Another issue would be the placement of the 2 way dimmer switch ahead of the three way switches.
    You can't separate the travelers in a 2 wire to other switch .by code. Give up the idea. I have never read anywhere in the code and exemption for saving time!

    Sent from my SM-T350 using Tapatalk

  7. #27
    Join Date
    Dec 2007
    Location
    NE Nebraska
    Posts
    32,475
    Quote Originally Posted by bbeell@live.com View Post
    what Im trying to do is avoid wire nuts and splices of the traveler wires by
    going direct from one switch to the other, the wiring in my drawing
    accomplishes this. please reply
    Quote Originally Posted by jumper View Post
    How is the neutral ran?

    What exactly do you mean by "one wire only"? You cannot just run a single hot conductor by itself.
    And if you ran two wire cable (grounded and ungrounded) to the first switch, ran three wire cable to second switch, (grounded gets spliced there), then two wire cable to the light(s) you would accomplish your goals and be code compliant. As drawn you apparently have a single ungrounded conductor supplying the first switch and a single grounded conductor returning from the last light.

    Some will balk at the 2 - two wire cables between the lights in the first image, but I think 300.3(B)(3) does allow that if it is a non ferrous wiring method.

    And why not use a three way dimmer instead of a separate dimmer in series with the three ways? there is a couple more connections there though you seem to want to avoid connections where possible.

  8. #28
    Join Date
    May 2012
    Location
    Amissville, Virginia USA
    Posts
    148
    Never run conductors of a circuit in separate race ways. Let's just apply the code. The people who sit on the code panels are very smart. Apply the code not what you think!

    Sent from my SM-T350 using Tapatalk

  9. #29
    Join Date
    May 2012
    Location
    Amissville, Virginia USA
    Posts
    148
    All of the answer's to all the questions people post should be answered by what the code says. Not by what someone thinks!

    Sent from my SM-T350 using Tapatalk

  10. #30
    Join Date
    Jul 2015
    Location
    Wilmington, NC USA
    Posts
    239
    Quote Originally Posted by bbeell@live.com View Post
    The neutral wire runs without change from the book view. it just runs separate from its cable. it is still spliced
    to the cans, but now its past banished cable companions don't have to travel to the cans with it, less splicing,
    less work.

    The one wire explanation: on each three way switch' not the two traveler wires, but the one wire remaining.
    not part of a cable, its a single wire (one wire only).

    Time and work are saved because' The neutral still has to route and splice into the four fixtures, but since
    the neutral is no longer part of the previous 12/3 cable, the other two wires (travelers) don't have to route
    and splice into the four fixture wires.
    I don't know where you got that drawing from in your OP, but ..... it's WRONG! Throw it away. Talk to the electrician you are working with and see if he can help you out on this. Study what Dennis put up.

    Things to remember, you must have the conductors of a circuit run in the same cable or raceway. The only time you are allowed to not run the neutral with the hot is on a switch leg in that you feed a hot in the cable to a switch and the return (switch leg) is in the same cable as the hot (going back to where the neutral is). This is something you don't seem to understand and you really should talk to the electrician you work with and get him/her to educate you on this principle.

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