grounding

  1. G

    Transfer Switch Grounding

    I have Generac Homelink Upgradeable Manual Transfer Switch (Model: G0068521 Serial: 3009887938). The neutral is switch and I believe when this happens it is a separately derived system. The manual recommended the generator attached to the transfer switch needs to have its neutral bond to the...
  2. captdgf

    Help with knowledge of grounding system.

    Hello I'm a DIY'er seeking advice and clarity. I currently have no grounding system on my house. I do not have an outside main shutoff. My service meter is bolted to the outside of my basement then the service entry cable runs into my basement to my main panel. The panel is a square d homeline...
  3. T

    Grounding

    I'm upgrading our electrical system by putting in a service meter/disconnect and main panel. Currently there's no ground from the main to the meter. The meter is grounded but not sure how deep the rod is, so will be putting in two new rods. The feeders run through metal conduit through the...
  4. F

    Grounding a DIY aquarium light

    I made a DIY light fixture by putting some cut-to-size LED strips in an aluminum housing connecting them to a Mean Well DC power supply with a 3-prong plug. It's supposed to hang over a planted aquarium. My problem is that I feel a tingling sensation when I touch the housing. My understanding...
  5. JanaWick

    How to calculate the effect of ground Enhansing material (GEM) in Earthing

    Can anyone advice me on how to take in the effect of Ground Enhansing Material (GEM) used in Electrical Earthing to reduse the earth resistance? in all the suppliers specification they only mension the GEM reduse the soil resistance drastically? so should i consider 1/5th,ro 1/10th or 1/100th...
  6. P

    Grounding rod location(s) relative to panel

    Short version: does code specify a minimum distance from the panel to the first grounding rod, and if so, what is that distance? Long version: Our house (built in the late 1950's) has an electrical system which is grounded to the water system. There is a grounding cable that runs straight...
  7. eletric

    Grounding Rod Resistance

    Now I understand why so many people in US have stories of computers blowing up during thunder storms. This is a pretty dumb rule for ground electrodes: If the resistance is over 25 ohms for an electrode, the code requires that an additional electrode be installed at least 6 feet (1829 mm) away...
  8. N

    Confused about my floors being grounded

    I am a complete novice when it comes to electrics but I have recently bought a grounding mat and so I've been doing some measurements and I'm totally confused by something. Upstairs I get a reading from my body of 5 (ish) volts (bare foot). When I touch the earthing mat this goes down to 0.2...
  9. B

    Seeking advice for proper grounding

    Hi, Our house is 150m away from the street. We installed a 600V step-up/down system to bring electricity to it in order to avoid excessive losses and very large cables. The 240V/600V 50KVA transformers are rated NEMA-3R enclosures, located one 10ft above ground and the second one 5ft above...
  10. C

    20kVA single phase generator grounding question

    How should grounding be made to a 20kVA single phase generator set feeding a domestic property via a manual change over switch? At the generator's alternator neutral is bonded to earth. The generator will be some sixty feet from the mains input box of the property fed by SWA cable. The...
  11. B

    Expanding off self grounding outlet

    Hi - I'm trying to add an additional outlet to a circuit in my house. I tested the outlet with a tester, and it showed as correct. The existing outlet is facing the finished part of the basement, but where I am looking to add an outlet is in the unfinished utility room behind the wall. I have...
  12. Mdterpsfan

    Main panel and sub panel grounding.

    Brian, DIY but 30-year commercial/industrial master HVAC tech. I have installed an emergency whole-house breaker switch next to my service meter. This will now be the main panel and I have subsequently tied my two grounds from grounding rods into the new panel. The the original main panel...
  13. Mike57

    Grounding and bonding swimming pool pump

    Need some help please. Got a brain teaser for my first post. My pool pump motor cratered over 4th of July. It was working fine and started to sound like it had gravel in it. I turned it off at the timer to backwash and the breaker tripped. She was locked up. Since it was 8 years old I took it to...
  14. A

    Code Question - Grounding MC Cable and Metal Junction Boxes - Garage Addition

    Hey, question for the group on grounding when using MC cable and metal boxes.... Situation: Enclosed a carport and turned it into a garage. I'm branching off of an existing bedroom outlet circuit to add 1 outlet and 7 LED light fixtures in the garage area (1 exterior, 6 interior LED puck...
    • Aaron-DIY
    • Thread
    • addition boxes cable code garage ground grounding junction metal question screwfix
    • Replies: 1
    • Forum: UK Electrical Forum
  15. N

    Older home with no grounding system and pool pump

    Installing a small above ground pool with a 1/2HP 120v pool pump. The house is older and has no grounding system that I can tell. Outlets are two prong. I know I need a gfci outlet to plug pump into but will this be safe and work as intended with no grounding system and only a hot and neutral...
  16. E

    Rebar bonding for insulated monolithic cement slab

    Hello! I am in the planning stages of a new dwelling construction. The foundation will be a monolithic cement pad with rebar. Based on my research, I am fairly certain that I need to ground the rebar within the slab. The slab will have rigid insulation under it and will have a vapor barrier...
  17. K

    Grounding Wire In Concession Trailer

    I bought a concession trailer that was all propane. Being the town I'm in is so strict about propane, l gutted it out and now making it all electric. Running on 2 generators. So my question is about wiring. The interior is all stainless steel. I have mounted all metal conduit to the walls. I am...
  18. _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...
  19. 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...
  20. 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...
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