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grounding

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  1. _q12x_

    A Facebook question about Earthing and Grounding

    I find this question on Facebook: And I give it my answer already and I will post my answer that I already made for it. But I am curious what you guys will say first, without me influencing you with my answer. I am an artist, I am not an electrician or electronist. My relation with...
  2. P

    Sub panel grounding in a pool shed

    I have a Ge 125 amp 12/24 load center being installed in my pool shed roughly 80 ft away from the main electrical panel on the house. The plan is to backfeed the panel with a 100 amp breaker to function as a service disconnect. I will be running a 20 amp circuit from this sub panel to a garage...
  3. S

    Grounding resistence

    Am I missing something? I ve been fighting this battle for years. A customer keeps telling me I have to measure resistance to ground in the panel(main ground conductor), I say for consistency I need a proceedure, they come back with use the clamp meter, hanging the clamp on the ground wire. My...
  4. T

    creating a proper grounding system

    Hello everyone my name is Tarek, i work as a concert and show lighting operator with over 20 years of experience in this field, so i have gained a decent amount of electrical experience over the years but i'm NOT a professional electrician i will try to explain my problem in details so this...
  5. billandtedexcellent

    Grounding issues? (causing light shock) in Japan apartment

    Hiya, I live in a pretty old apartment in Japan. There's only one wall in the whole apartment that has a screw to allow to connect a power cable to an earth. I run quite a few electrical devices and I want to earth as many as possible, so i bought a little black power hub (with 5 sockets) which...
  6. C

    Grounding at the panel?

    I'm running a few new circuits inside my home...working my way backwards (wiring from inside the house, back towards the outdoor panel). I have a large outdoor junction box, approximately 18' away from the panel, serving as an entry point / splice box as it leads cables into the home. Again...
  7. M

    Boxvan LEDs shorting out? Grounding out?

    My box truck has interior lighting in the box and its wired directly to the fuse box (blue wire at bottom of pic). The interior lights are also connected to the front marker lights somehow. After months of it being fine, it went haywire last night and now they're shorting out the ignition and...
  8. J

    Copper pipes in crawlspace grounding

    Hello all, The water supply from my water meter to the house is rubber pipe, but my water lines in the crawlspace are copper . Is it code to have a ground wire from the main electrical panel to the copper lines, since there is no metallic pipe to the house, which would provide a ground source...
  9. S

    LTE outdoor router grounding question

    Hi! I'm willing to build up a network within my residential house which includes outdoor equipment for WAN access. And I'm failing to figure out the best way for me to make it work reliably, especially in terms of lightning (EMI) protection. So let me introduce all the necessary info regarding...
  10. O

    Grounding Safety

    My residence main breaker is below the meter on the exterior of my detached garage. Feeders extend 50 feet through the attic and breezeway to my residence. The residence load center has a grounding rod and grounding terminals My main breaker disconnect and enclosure has no grounding. It...
  11. E

    Laptop Grounding Issue

    Hi guys, When I hook up my new headphones to my laptop I'm hearing a humming sound. Headphones are connected directly to the laptop by aux, and there's also an external DAC+AMP for the HIFI connected by USB. Multiple tests I've made shed light on the source of the issue: Whenever I touch a...
  12. D

    Can I run a ground wire to its own isolated grounding rod?

    Hello, I just bought a new range and my 1963 house has a 3 wire receptacle. My instincts are telling me I shouldn’t just pigtail a 3 wire to the back of my oven, shove it in and call it a day. That’s what everyone around me is telling me to do. My understanding of the old style 3 wire is that...
  13. Z

    Need help with grounding plan

    I live in a rural area. I don't get any cell service here and satellite internet is terrible. I have found I get good internet by running my hotspot up this tree. Until now I have been powering it with a usb battery. My plan is to enclose it with a project box and run POE to power it. How would...
  14. P

    Grounding Satellite dish

    I am having a satellite dish installed at my house and have some questions on grounding. The dish itself will be mounted on a pole, not connected to house, other than the coax. I live in a condo, and access to the grounding rod and the power entry into the building is not available. The distance...
  15. M

    VA 2015 code Question with bonding and grounding for service upgrade

    Hello, I am working in the state of VA and they use the 2015 State of VA code. I am upgrading to a 400 amp service the meter base supports two panels dual lugs in it. One panel will be a 200 breaker "MAIN" and other will be future use. I know how to wire most of it but really unsure how I would...
  16. A

    Can you measure the grounding on an UPS output?

    Just installed an UPS and I have a multi-meter that I use to check if a wall outlet is grounded Just tried it on one of the UPS outlets (2 prong) by placing the multi-meter red probe to the metal and the black one to the right side of the outlet and it reads 0 Is this normal? Same measurement...
  17. G

    Grounding PV

    Besides the NEC code, will someone please explain in detail why the DC side of a solar array need to be grounded with the AC inverted side of the electrical system. I have two 2400 watt arrays pole mounted that supply a 48v dual xantrex 4024 inverted electrical system. I am being told that...
  18. M

    Mixed conduit grounding question

    Hey all, I'm running a few outlets to my basement from the main panel on the first floor. Since it is a garage, sealed 3/4" pvc conduit runs through the concrete into the basement. This connects to a metal junction box and 3/4 emt, with metal junction and outlet boxes the rest of the way...
  19. T

    Grounding 2 prong outlet

    I recently purchased a house that had some 2 prong outlets. The second floor, the kitchen, basement all have properly grounded 3 prong outlets according to the inspector. The living and dining room have 2 prong outlets. I opened one of the 2 prong outlets up and was wondering does an entirely...
  20. A

    Is that a disconnected grounding system

    Hi guys, First of all I wanna say I'm not an electrician, so my knowledge is extremely limited, so sorry in advance if I say something stupid… :p And English is not my first language, so again, if I call some part with the wrong name, please just let me know I made a mistake, thanks! The...

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