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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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50 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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56 views

RCD wiring with heating cable

Hi, I want to use the heating tape (constant wattage) and I was told that I should use RCD for the safety. I am new to RCD so I wanted to double-check if this is a correct way to wire the RCD with ...
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1answer
55 views

Where do I connect the ground wire of a transfer switch being connected to a sub-panel?

I would like to add a gen-tran manual transfer switch to my electric panel but I live in a condo where the main panel is in an external meter room and my only interior panel I assume is a subpanel. ...
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20 views

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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35 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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2answers
106 views

Mysterious ground wire

So I’m trying to replace my old light switches with some nice new dimmers but I have a problem. As you can see in the picture, all the ground wires run up and out of the box to an unknown location. ...
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1answer
35 views

How do I protect the front side of a wood retaining wall?

I have a wood retaining wall made of 3x12 pressure-treated boards similar to the one pictured here. The backside has MiraDrain and 3/4" drainage rock. I have an excess of earth to manage and one ...
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1answer
65 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
43 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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3answers
120 views

Neutral and ground connected to one bus bar in subpanel; should I change?

At my house, there is a subpanel that serves a pool area, served by one 30 amp 240v circuit. The panel, which I think was installed about 30 years ago, has just one bus bar that the neutrals and ...
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0answers
68 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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43 views

If my main gas line is already grounded

...and the plumber adds a branch line to a gas stove, do I need to also ground that new portion of gas line? Or am I covered because the main gas line is already grounded? Residence - Denver Colorado
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44 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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2answers
39 views

Will a galvanized tin roof act as a ground for a magnetic rooftop antenna

I just installed a magnetic based antenna on my galvanized tin porch roof. Will the metal roof act as a ground for the antenna? I am unable to attach a ground block to the antenna cable, because the ...
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1answer
68 views

There appears to be no ground - what do I do?

Hi! Trying to change a light switch in my house. I am Chicago within city limits. House is pretty old...it was “gut rehabbed” in the 80s but that doesn’t really mean anything. Actual building been ...
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1answer
112 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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1answer
278 views

Grounding on switch box

Hi all. Firstly, awesome site - learning so much, thank you all!!!! Mid-80's custom home in Florida. Changing out to some smart switches. Seems no ground in box, best I can tell? Was reading ...
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2answers
839 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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2answers
2k views

200amps service - ground rods instead of pipe connection

I upgraded my main circuit breaker today from 150amps to 200amps. See my previous posts here on the same project: Is RC2040M150CH MSP upgradable to 200amps main circuit breaker Neutral on main ...
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1answer
2k views

Old construction, replacing light switch, bundled ground

I am replacing the light switch in my old home (1981). I can see that all grounds are at the back bundled together. Do I still have to legally connect the ground to the light switches' ground screw? ...
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2answers
216 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
824 views

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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1answer
176 views

As of the 2014 NEC code do tamper resistant receptacles need to be installed on a GFCI circuit?

Replacing 2 prong with 3 prong. Want to protect the entire circuit with a GFCI. Do the outlets I replace have to be tamper resistant if they are protected by a GFCI?
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98 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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3answers
1k views

Issues with 4 Prong to 3 Prong Conversion

I've really been at a loss trying to figure this out. Quick backstory: GF moved into apartment built prior to NEC code change so it has a 3 prong outlet. Her GE Profile dryer had a 4 prong plug ...
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2answers
621 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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1answer
3k views

Can a Ground Wire be attatched to a nail in wood stud?

Guilty as assumed: I've installed a thermostat connected to a single electric baseboard. Is it possible to connect the load and line ground wires to a nail which is attached to a wood stud? OR, simply ...
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1answer
120 views

How to run 10 AWG ground wire along basement wall?

What would be a sturdy and efficient way to mount a single 10 AWG solid core ground wire along an unfinished concrete basement wall (connectors, fasteners, etc)? I'm connecting a server rack ground ...
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2answers
221 views

New style ground attachment

While reinstalling a switch I noticed that the ground lug is different. It contains a hole just large enough to fit a #14 wire. Wondering what the recommended technique is to use this?
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2answers
572 views

Properly grounding equipment with a ground screw

I have an NVR that has a power brick and a separate ground screw. What is the "Right way" (read: safest way) to connect this to ground? I've thought of a couple ways to do it. My 4 options are: ...
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3answers
137 views

Can the Distance of a Subpanel affect Outlet Tester Results

I got help with wiring my cabin here: Requesting Evaluation of Power Plan at Rural Cabin and here: Cabin Wiring Plan Revisited I also put a follow up comment there, but now I'm not sure that was the ...
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2answers
381 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
57 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
1k views

Grounding a 3-prong dryer plug

I just bought a house, and my new washer/dryer is being delivered tomorrow. I have the older style 3-prong 220 outlet, which I know I'm allowed to still use. I also have a 2-prong 110 outlet next to ...
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2answers
521 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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3answers
3k views

Ground wire from the junction box

Background: I am a regular DIYer just starting out. My question is regarding the ground wire while installing a chandelier. I have just moved to a new location in Ontario, Canada. The house was built ...
4
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1answer
6k views

New Eaton AFCI/GFCI breaker signals (5 blinks) ground fault, but doesn't trip. How to track it down?

Where to start? *We bought a new house on a day's notice, and now I have to sell this 1885 Victorian. I'd like to minimize the scope of a home inspector's report. *The house is mostly the original 2-...
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1answer
198 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
382 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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2answers
445 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
182 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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2answers
202 views

Checking ground current

Background: I had a contractor finishing my basement, and part of that was installing underfloor heating using several heating mats in parallel. It worked initially but soon after it just started ...
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3answers
5k views

How to ground a 3 prong outlet in plastic box no green ground wire

I have a 1954 two-story Pacemaker trailer. It's been rewired by somebody but the receptacles are in plastic boxes. Some have ground wires, some do not. PG&E is going to give me a refrigerator, ...
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2answers
281 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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1answer
405 views

How to reattach the “head” of a ground wire?

I just bought a new turntable and receiver When I began using it, I noticed there was a loud buzzing sound coming from it. Looking at the turntable's cables, there are the two Left and Right RCA ...
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2answers
1k 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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2answers
3k views

Adding second Ground Bus to Square D Sub Panel - Grounded via wire or just the screws?

I have added a sub panel next to my main panel. It is fed from a 100A breaker using 3-3-3-5 CU Service wire. I removed the ground screw to isolate the Neutral and I installed the ground bus that ...
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2answers
8k views

What happens if you don't bond neutral and ground in a main service panel?

I know that we're supposed to bond neutral and ground in the main panel but can't quite understand what the actual danger/problem with this situation is. I also understand why we don't bond neutral ...
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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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2answers
700 views

Pillar in the ground that can support a hammock

I'd like to hang a hammock in a small garden. There is one wall that can carry it, but on the other side it would have to be a stand-alone pillar. What's the most efficient technique to erect a ...