Questions tagged [ground]

For questions about stuff physically in or on the ground. Questions about electrical grounding and/or bonding should use [grounding] instead.

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1k views

Gabion walls as retaining walls?

There's a lot of information about DIY gabion walls, but none of the applications that I've seen on YouTube and elsewhere talk about gabion walls as retaining walls. I would imagine that a gabion wall ...
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1answer
512 views

Connecting a ground wire (SER cable) to a main disconnect that has no lug for it?

These 3 wires connect this main disconnect to my sub panel in the back of the garage that powers the whole house. It runs in a conduit that serves as the ground between the sub panel and the enclosure ...
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1answer
241 views

N-G Bonding Jumper problem

I found out that my meter base has an N-G Bonding Jumper but also there is one in my service equipment main panel and also another one in the service panel for all the backyard lighting and equipment ...
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0answers
64 views

Mystery wooden boards on the ground by my new, old house

We recently bought an old Victorian house in Berkeley, California, and after we moved in I noticed a couple of laminated wooden boards aligned on the floor by the side of the house. I have no idea why ...
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3answers
3k views

Is there an alternative to buying a tamper to compact the ground?

I plan to build a brick wall, so I need to compact the ground first. The hardware store sells a tool called a tamper, that sells for $60 and only weighs 15 lbs, so it seems inefficient. How is that ...
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1answer
20 views

How to properly ground new three way switches being installed?

I am replacing two existing 3 way switches. The existing ones did not have a ground attached. The electrical box is plastic. There are ground wires in the back of box that are twisted and crimped ...
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2answers
533 views

GFCI not triggered after installing AFCI / GFCI breaker

I have replaced a traditional breaker with dual function AFCI / GFCI breaker hoping to make the outlets up to code (3 prongs with no ground). However, when testing with GFCI tester, outlets with no ...
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2answers
135 views

Lamp Project With No Ground Wires

Question 1. I am building myself a lamp and I am using a plastic 1 gang outlet box. There are no ground wires. How can I properly ground the lamp? Question 2: Can I attach a metal bar and place it ...
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1answer
263 views

Using the existing neutral as a PE grounding conductor on a NEMA 10-30 outlet

I was redirected here from the electric engineering exchange with a more specific question out of this earlier post: https://electronics.stackexchange.com/questions/340136/is-it-possible-to-run-an-...
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1answer
56 views

I need “silver” colored wire to run through chain for hanging lamp to connect to ground where it mounts to ceiling

I bought a "Brushed Nickel" ceiling fixture to hang over my dining table, but it did not come with a long enough chain or wire. I found the chain & two strand "lamp" wire in &...
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1answer
58 views

Replaced 4-way electrical switch with new one with ground. Will it work without the ground?

I noticed that one of the three switches used to control our kitchen lights was acting funny. By funny, I mean that when I flipped that switch to turn the lights on there was a delay of about 1 second....
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173 views

What is a ground loop in an electrical service?

I can't figure out what a ground loop is in an electrical service (residential, commercial, industrial). All I can figure out is that it has something to do with different potentials in the system, ...
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2answers
82 views

How to find underground cavities below properry?

I purchased land in an area that was near a former mine. From geological maps, I see the official location of the mine is several blocks away from my property, however, locals told me there were ...
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3answers
1k views

Hill side soil erosion control around deck

I've got a fairly large deck that sits, in part, on a hillside. Over the past years the soil is eroding away such that I'm getting worried about the outermost posts. I know I need to put a good amount ...
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2answers
1k views

multiple ground wires in a circuit

I have an ac circuit with 3 ground wires. This circuit switches between two ac power sources, accounting for two of the ground wires. The last ground wire comes from a switch. Is it safe to pigtail ...
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370 views

Studio apartment only has 2 prong outlets, I need to plug my PC into a 3 prong one

I recently built my PC, and it is plugged into a 2 prong outlet through a surge protector using a cheater plug, but I get slight shocks when touching the case. While I can remedy that just by not ...
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1answer
150 views

3 wire conductor to an electrical subpanel - Can I add a separate conductor for neutral in same conduit?

I'm installing a subpanel to bring power to a garage. Answers to similar questions make it clear that a subpanel must isolate ground from neutral, so the bonding screw will be removed at the subpanel....
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2answers
212 views

Apartment using ground wire as neutral

I was answering a trouble call in an apartment today that a pendant light fixture had come down and was hanging by the wiring. I went to remount it, but noticed that the light fixture wiring was ...
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2answers
158 views

electrical current detected in the stud

I have an electrical current detector that is beeping positive on the 2/6 studs that the 12/3 romex three way wire runs through. The door header that the wires run over at one point also ...
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2answers
4k views

No Ground on old dryer [duplicate]

My mom went out and bought a super old dryer to replace one that busted. I'm trying to hook it up with 4 prong cord hut there is no green nut for the ground. Where does the ground go?
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Open ground indication on tester when connecting appliances to any outlet on same circuit

We have 5 double outlets connected on one circuit. Now we noticed that if we connect outlet tester to any outlet it's indicate 'correct', but if we plug appliance to any one of outlets in the circuit, ...
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2answers
2k views

How to repair an GFCI outlet with a loose ground (green) screw?

I have a contractor come in to do some tile work and he had taken out some GFCI outlets. I think he must have used a power drill to loosen the screws and one of the green, ground screw fell off. It ...
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0answers
54 views

Replacing a bathroom fan - two ground wires?

I've purchased a Broan NuTone fan to replace the old one in my bathroom. The fan itself has a white wire, a black wire and a green wire. The wiring in my house consists of a black wire, a white wire, ...
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47 views

Basement in a mud-brick house near a lake?

For the purpose of the short story that I am writing I have come with an idea of a mud-brick small building (base floor + top floor, just a few rooms), lost somewhere in the north Nigeria. The ...
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Replacing a light fixture [duplicate]

How do I ground a new overhead light fixture? I'm replacing a 2 wire fixture with no grounding wire with a new 3 wire fixture which includes a ground wire. The new fixture is suspended not flush ...
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0answers
47 views

Main Electric Panel Neutral Bar

I have a Siemens 200 amp main service panel in my basement. The main service lines are two black and one black with a yellow stripe going to the neutral bar. The grounding bar is attached to a ...
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1answer
323 views

Do lights in a circuit have to be grounded for the whole circuit to be grounded?

I have a circuit in my old house (built 1918), it’s gone through many remodels during its lifespan and multiple owners. This one circuit has no grounded outlets, so I had a look behind the outlet to ...
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1answer
104 views

How do go from a single light/fan bathroom switch to a double paddle with no ground or hot wire?

The old switch had just 2 side wires, one for the fan and one for the light. There was no ground of hot. I'm installing a legrand radiant 2 in 1 paddle switch, and it's not working. I'm assuming that'...
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0answers
70 views

How can I test which mains wire belongs to neutral and which to ground?

I currently live in Spain, in an old building, where apparently electrical codes don't strictly apply... because not all outlets have ground or, indeed, not all connections are grounded. To make ...
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0answers
86 views

Electrical wiring hook up sequence

I have found a box that as three duplex electric cables connecting. The neutral (white) from wire 1 and wire 3 are connected. The hot (black) from wire 1 is connected to wire 2, and the hot from ...
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0answers
441 views

Can I cover rebar sticking vertically out of the ground with something that would permit me to pour concrete over top of it?

First off, this project is free from review from inspectors; i.e. none of this has to be to code. I want to pour a concrete column. The column isn't structural - it's like a column you may find at ...
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1answer
590 views

What mesh to buy (and where to buy it) for gabion walls? [closed]

I'd like to build a DIY gabion wall. I've watched many tutorials, but I'm at a loss on where to buy the mesh the build the baskets from. I saw the mesh at the local Home Depot store and it was rusted, ...
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2answers
861 views

Replacing ungrounded receptacle with grounded receptacle on metal box

Bought a house built in 1928 (in Chicago area - everything original to the house is in metal boxes with armoured (BX) cable. Any newer work has EMT). All the wiring is the cloth wrapped wires and no ...
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2answers
716 views

Use of ground wire on split phase 120V house that was converted to 240v

I would like to use the ground wire as neutral to convert one outlet on a 240v plug to 120v. see attached on use of ground and let me know. [![enter image description here][2]][2] [2]: https://i....
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1answer
114 views

Is this wiring safe [duplicate]

The wall box is from the mid-1950's and my multimeter shows that it is grounded. There are a solid 120 volts when testing between live and ground. I noticed a bare copper wire coming from the cloth ...
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1answer
135 views

Is it possible to charge a battery from a live with without creating a second ground? [closed]

This came about out of a conversation with a friend and we were wondering if it was theoretically possible to power a device with a hot wire and have that device's neutral/ground be attached back to ...

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