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  1. K

    neutral connected to ground at outlet, does this violate code ?

    I have an outlet in my home that is wired in a non standard manner. Its neutral and ground are connected together based on the wiring diagram below. Please note I have identified the root cause of the 40V and 17V and fixed it. So I got 120V between hot and ground, 0V between neutral and ground...
  2. BestDiagram2.jpg

    BestDiagram2.jpg

    • ktnwin
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  3. K

    Why low voltage (40 Volts) at outlet

    Today, I verified at outlets in my bedroom (that have open ground), the ground wire does turn my circuit detector turning from GREEN to RED. that is the same as the ground wire at the switch. I feel better as there is only one problem to deal with. I climbed to the attic and reverified the...
  4. K

    Why low voltage (40 Volts) at outlet

    Here is the updated wiring diagram, much easier to understand. Please disregard the diagrams in previous posts. I am also creating a video showing why I got 40 Volts at outlet. From previous updates, I identified the issue is mainly caused by open ground circuit in my bedroom, this circuit...
  5. K

    drill thru multiple studs to run wire

    Please see update in my other thread "Why low voltage (40 V) at outlet". The root cause is open ground, not open neutral due to the light wiring (power source is at the light) All details are there. I will created a youtube video showing this issue, available in 2 days.
  6. K

    drill thru multiple studs to run wire

    Thanks for your recommendation. I will need to use the special 7 feet long drill bit dedicated for this type of work.
  7. K

    Why low voltage (40 Volts) at outlet

    Lucien, thanks for your suggestion on how to detect bad ground connection. At present time, I feel relieved as the mysterious 40V and 17V went away after unplugging the (questionable) power strip. Other power strips do not exhibit this problem when plug in the same outlet. I hope open ground is...
  8. K

    Why low voltage (40 Volts) at outlet

    One small update: I plug a different power strip into the outlet and the voltage measurements are identical as if no power strip is plugged in. hot to neutral is 120 V hot to ground is about 2 V (should be 120V) neutral to ground is about 2 V
  9. K

    Why low voltage (40 Volts) at outlet

    OK, I have identified all the outlets and switches related to this issue. At these outlets: hot to neutral is 120 V hot to ground is about 40 V neutral to ground is about 18 V Pretty much what I see at the light box. One of the outlets has a power strip plugged in. I unplug it and measure again...
  10. K

    Why low voltage (40 Volts) at outlet

    Hi Lucian Nunes, "but due to the way the outlet is wired, it could be particularly dangerous" The outlet is wired based on wire color. However, as you said, I have disconnected the wires in the switch box that go into this outlet. So the outlet has NO POWER at all, and marked it as such. I do...
  11. K

    drill thru multiple studs to run wire

    The stud is pretty tall, I did not measure it but it could be 10" or 12". The recessed light is 3.2" high including its metal junction box. It does not need a cylinder housing like the old style. Here are the dimensions:
  12. RecessedLED_sixInches.JPG

    RecessedLED_sixInches.JPG

    • ktnwin
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  13. K

    One Outlet Low Voltage

    Megawatt, I have no intention to pick on anyone here as I need their advises, including yours of course. I am member of a few other forums and I learned a lot, got a lot of help, help others whenever I could. LOOSE NEUTRAL is a good suggestion, I will keep an eye on this while diagnosing my...
  14. K

    Why low voltage (40 Volts) at outlet

    Today, I spent 2 hours to understand what is there in the switch box and the outdoor light box.\ Then spend another hour to draw the 2 diagrams, one each. The light box contains 2 ROMEX cables, upper and lower as shown in the diagram below. Voltage measurements (all wires are disconnected...
  15. K

    drill thru multiple studs to run wire

    I am not sure either, however, there is already a layer of fire proofing material (silver color) between the ceiling sheetrock and the floor above.
  16. K

    One Outlet Low Voltage

    I think even if the reply, advise comes very late, it could still be helpful to others to happen to have similar problem. I am having one, 40 Volts at outlet, still trying to figure out what's wrong.
  17. K

    drill thru multiple studs to run wire

    I like to run wire above the ceiling of the garage (above it is a bedroom) but there are quite many studs about 2 feet apart in the way. Would it be better to run wires thru electrical conduit that is visible on the ceiling (look ugly) OR just drill all these studs to hide the wires (ROMEX). My...
  18. K

    One Outlet Low Voltage

    This outlet appears to be the last one in the stream that is fed by one circuit breaker. That is why when you disconnect all the wires in this outlet box, everything else still work (make sense to me). The hot and neutral going out (down) could be for something that is not used. I would leave...
  19. K

    Why low voltage (40 Volts) at outlet

    Thanks for your input. I replaced the light fixture there myself about 1 month ago and there are 3 standard wires, black, white, ground. I did verify when all these 3 wires are disconnected that: black is hot when switch is on, white and ground has no electricity. So I hooked up as with any...
  20. K

    I just joint this forum

    Hello, I just joined this forum as I found that members can help each other to learn new things, solve issues, etc... This were my experiences with Digital Video forum and MandoCafe forum. I learned how to make VCD,DVD video 20 yrs ago, now obsolete as anyone can capture video with smartphone to...

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