Grounding, also earthing, refers to the practice of providing a direct conductive path to the physical ground for an electric short to a chassis. Tag questions involving the installation or retrofitting of grounding with this.

learn more… | top users | synonyms

0
votes
2answers
370 views

No ground wire connected to the 3-way switch

I am no expert in electrical stuff as i have never done it before. We recently moved into a new house and i don't really like the look of the old switches. I was looking around them and i noticed the ...
0
votes
1answer
58 views

Why do I get an open ground warning after a GFCI Test?

I just finished a home wiring project which has a set of outlets protected by a GFCI outlet. I was testing them with an outlet tester and noticed something odd: Immediately after a GFCI test, my ...
0
votes
2answers
65 views

Can induction in parallel ungrounded cables lead to false continuity readings with a multimeter?

I have two old circuits with no ground wires in which cables run parallel to each other for 20 feet or so. I had both circuits powered off today and was testing some things for unrelated reasons when ...
4
votes
4answers
291 views

Looking for or adding a ground to an existing NEMA 10-30 socket

I have an unused older 3-wire dryer socket (NEMA 10-30R) in my garage, I would like to upgrade this to a NEMA 14-30 socket with an separate ground. I'll be using this for an EVSE unit for electrical ...
5
votes
3answers
179 views

Checking light switch for grounding problems

I have a light switch in my building that frequently gives me a "shock" when I push it. The shock seems to come from the two mounting screws. It has a photoelectric sensor that turns the light off ...
1
vote
2answers
161 views

What is the risk of leaving a well pump on a 3-wire system?

A home inspector noted that well pump and septic were incorrectly grounded with a 3 wire system using the neutral wire for grounding. What is the risk of leaving "as is" vs installing a 4 wire system ...
1
vote
2answers
190 views

When are copper pipes a ground?

There is an exposed copper wire attached to the cold-water pipe near the dryer plug in my house. It's not attached to anything and I'm wondering when it would be useful if at all? This wire just ...
1
vote
2answers
173 views

Is having cloth touching a grounding wire ok?

In my basement, the ceiling of one of the closets is the copper grounding wire that runs from the breaker box to my water main. This wraps around the perimeter of the basement on the top of the rooms ...
0
votes
0answers
66 views

Using groun wire as nuetral wire with 240v circuit

I used the grounding wire within a10/2 UF wire as the neutral wire from a 120/240v 30a outlet to a nuetral/ground bar in the circuit box. The wires are protected from corrosion since the wire is ...
5
votes
4answers
722 views

How do you ground residential network equipment?

I needed to run some Cat5e UTP network cables and decided to add network outlets to most rooms, run new phone wiring and RG6 as well. Much of what I've seen and read about residential and small ...
2
votes
2answers
76 views

Electric Guitar at an outdoor show - Grounding issues?

I play electric guitar and today I had an experience where the guitar would give very slight tingling sensations - I wouldn't quite call any of them a bad shock because none of them really hurt badly, ...
0
votes
0answers
78 views

Replacing Old Ceiling Fan With New One and No Visible Ground Wire From Junction Box

I am replacing the ceiling fan in my bedroom. Coming out of the junction box are two sets of wires. Each set has one wire coming out of opposite ends of the junction box. I connected the blue and ...
1
vote
1answer
500 views

How can I safely connect a subpanel in a detached garage to the main with a 3-wire connection?

This weekend I attempted to install a breaker box into a pre-wired garage. The previous owners took the breaker box with them when they moved, and since I have installed quite a few subpanels, it ...
1
vote
1answer
60 views

How can I best salvage my 240V GFCI spa disconnect wiring?

Based on the answer to my recent question "How to wire a 240V disconnect panel for spa that does not require neutral", I need to run another wire from my main service panel to my spa disconnect panel ...
0
votes
1answer
31 views

Should I connect the ground in the outlet for the dryer and the panel?

the ground wire for the dryer is not connected at the panel, or at the outlet. Is this correct or do, or do I need to land the ground wire at the panel and land ground wire to the actual dryer plug ...
0
votes
1answer
25 views

Grounding switches

If a metal receptacle has 2+ switches but they are all on the same circuit, is it necessary to ground the receptacle to each one (or ground each one to the receptacle) or is it enough to just ground ...
5
votes
3answers
833 views

Does a neutral-to-ground voltage of 0.0 indicate a bootleg ground?

As described here (for example), in a correctly-wired receptacle, there will be a small potential difference between the neutral and ground wires that increases slightly with increasing load. I'm ...
0
votes
2answers
1k views

Is an explicit ground wire required through steel conduit?

We just bought a Chicago-area house and found that there's no ground wire in some of the recently re-wired areas. I thought that the national electrical code requires a ground wire for new ...
0
votes
3answers
91 views

Adding a ground to a GFCI ungrounded outlet box

I have bought a 1974 built Condo that had GFCI issues. A bathroom has a GFCI outlet and no ground wire attached. It has a red/white wire hook-up that functions properly. There is a metal box, ...
2
votes
1answer
60 views

Are receptacles protected when downstream from ungrounded GFCI?

I have an ungrounded circuit in my house with three-wire grounded receptacles. If I install a GFCI, will the downstream receptacles be protected even if the GFCI is ungrounded?
4
votes
3answers
116 views

Why are ungrounded GFCIs required to be labeled?

I discovered in my new house that someone had incorrectly connected grounded outlets (without any ground connected) to the knob and tube wiring. I have read that the outlets can be made safe by ...
0
votes
2answers
179 views

What if I can not connect the ground wire of my new light fixture to an old electrical connection?

I am replacing a bathroom medicine cabinet that has a light fixture attached. The old light fixture only had white and black wires. The new light fixture has white, black, and a copper wire. This is a ...
0
votes
1answer
109 views

Adding ground to an existing conduit

Continuing my basement shop brainstorming... As I said in another question, the good news is that I've got a 30-amp 240V circuit more or less in the right place and available, and easily accessible ...
1
vote
1answer
99 views

Question about this DIY light fixture and grounding

http://www.mysimplysimple.com/lighting-diy-office/ I was looking into the above light fixture project, and I noticed that it has no ground wire. Most of the videos I have looked into about replacing ...
5
votes
2answers
222 views

Potential Home Grounding Issue - Illinois

I recently bought a new manufactured home. There are instances where people have touched the front door and received an electric shock. Using a non-contact voltage detector, I confirmed that there ...
1
vote
2answers
46 views

Rewiring Garage, building grounds

I'm rewiring my garage from in my opinion is an odd setup. In my house panel (200A split phase) there is a 20A breaker there is a junction somewhere ( I haven't traced it out yet which branches this ...
3
votes
1answer
3k views

Do I need to ground black gas pipe?

The backstory: My HVAC friend, my dad and myself installed new gas pipes in my house after the 40 y/o pipe started leaking. Suffice to say, the old pipe was beyond repair, every retightening of the ...
0
votes
0answers
67 views

Are metal face plates safe for metal gang boxes?

So if I understand household wiring correctly: The ground prong is meant to safely conduct stray current (shorts, etc) to the ground. All outlets and switches need to be grounded to the gang box. A ...
2
votes
1answer
54 views

Why would the documentation say to wire a pole of the 3-way occupancy switch to ground?

I'm currently wiring up an occupancy sensor to a 3-way switch, I'm leaving one of the mechanical switches in place, and here is the wiring instructions. according to the instructions I need to wire ...
2
votes
2answers
201 views

Is water pipe grounding achieved thru pipe or thru water?

I've got a 1901 house, with copper (new) piping. Some of the electrical (old knob and tube circuits) are grounded to the water pipes. The copper pipe goes out to my shutoff valve located outside. so ...
2
votes
0answers
67 views

Where should I bond neutral to ground? [duplicate]

I have an old house that was remodeled with a bathroom addition added years ago. I have two breaker panels: the outside service entrance panel (A) and another panel in the garage (B). I found bonds ...
2
votes
1answer
56 views

Can I temporarily ground an outlet in my home to use a pressure washer outside it?

Can I temporarily ground an outlet by attaching a wire to its central screw and then to a grounding rod situated outside my house? I want to use an electrical pressure washer, but it requires a ...
2
votes
2answers
133 views

What could be causing an earthing fault in a specific socket?

When I connect a device to one specific plug socket, I get a current in the device body. When I connect the device to any other plug in my house, then the device is normal, i.e no current in the ...
1
vote
2answers
113 views

Light sconces tripping circuit breaker

I recently installed two sconces in our kitchen to replace some old halogen lights with LED bulbs. The boxes had three (?!) White wires twisted together, two black wires twisted, and one red. I ...
1
vote
1answer
26 views

Stacked dryer washer grounding

I got a 10/3 wire for my Dryer/Washer stacked. There is a Ground attached to the Dryer/Washer. Can I attache the ground wire from my 10/3 directly to the ground on my Dryer/Washer?
2
votes
2answers
85 views

Can I connect the grounding conductor to the neutral when installing a remote for a ceiling fan in an ungrounded box?

I would like to install an in-wall remote control for a ceiling fan. The remote is wired up with two black wires (in and out) and a ground wire. It controls the fan's functions via wireless signal. ...
0
votes
1answer
109 views

surge protection — grounding in a slummy apartment without ground access

I live in an apartment, where NONE of the outlets are actually grounded although they're all 3 prong... my landlord is a slumlord, fundamentally. He has fixed absolutely nothing electrical (lighting ...
3
votes
2answers
180 views

How to track down a short circuit in attic with pressed metal ceiling?

When switching on a light the circuit breaker tripped. On the distribution board, I switched off the sub-circuit for the light. The rest of the house and the plugs in the room with the light still ...
1
vote
3answers
994 views

Grounding requirements for main panel and subpanel

I recently had my main service professionally upgraded to 200A and had a 60A subpanel installed in my master suite to support future additions. All work passed city inspection, for whatever that's ...
1
vote
1answer
192 views

Where does the C wire connect in a dual transformer system?

When wiring a common ground (C wire) for a dual transformer system, does it matter which transformer you connect the ground too? I'd assume that the ground on either transformer would serve as a ...
1
vote
1answer
372 views

How do I make ground connections at my receptacle boxes?

I searched for my question but could not find the answers. I had the inspector out for my rough in on electrical inspection. He said I did a very nice job but I need to make all my grounds at all my ...
3
votes
1answer
174 views

Is there a safe alternative to electrical grounding for computers in Argentina?

I came across this APC product page for Microsol Isolator Modules, which purportedly provide "safe power in places with poor or nonexistent grounding." The unit is meant for Brazil, so it won't work ...
0
votes
2answers
189 views

Replacing receptacle, ground and neutral are connected

My house was built in 1974. I have doubts the wiring has changed since then (aluminum everywhere) and have already noticed some bad things (downstairs potlights on same breaker as upstairs living room!...
0
votes
0answers
98 views

How to prove there is presence of electricity leakage?

Recently just moved to a new place that is above higher ground. I found that my joint crack more often and tingling feeling like there is energy running all over my body. It feels like there are ...
1
vote
1answer
90 views

Can a grounding rod be connected to service neutral only?

My grounding rod is connected to the service neutral at the weatherhead where it enters the house. Should it not be connected to the ground bar in the 200A breaker panel?
2
votes
3answers
13k views

Is it dangerous if the ground pin of a 3 prong plug breaks off in the outlet?

The grounding prong of a 3 prong plug broke off in an outlet. Could this be an electrical hazard should a child touch it?
2
votes
3answers
3k views

Is it legal to wire a bath fan using load from top of GFI outlet?

Purchased a place and we are re-wiring the bathroom and putting in a standing shower. The bathroom is quite small so there is just enough room for this. There is a dedicated circuit, a round box above ...
2
votes
1answer
697 views

Must I ground my dishwasher to a metal plate?

I bought a Bosch 800 Series Dishwasher Model SHP68T55UC to install into my year 2000 house. Whenever I read tutorials online for installing dishwashers, I see that the ground wire goes to a metal ...
2
votes
2answers
442 views

Is it safe to ground/earth an extension cord with the radiator?

I just moved into a dutch student house without any grounded plugs which is quite usual around here. I get the 'Macbook Tingle' after some time, which solved by nudging the Macbook to the Radiator. ...
0
votes
1answer
103 views

Will I get electrocuted if I contact a live wire on an earthed appliance?

I have an appliance that has the wires connected well and it has been grounded (earthed). If I accidentally get into contact with a live wire will I get electrocuted considering it has already been ...