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32 views

Installing a light with no ground & no accessible outlet box

I'm replacing a light in our bathroom. I unscrewed the old light from the wall and found this: The ground wire for the original light fixture was attached to the metal mount that held the light to ...
6
votes
2answers
1k views

What does it mean if the electric is out in a room, but the breaker is not tripped?

Earlier today I noticed a light go out, and of course everything else that was in the room went off as well. I went to the breaker box to check and see if the one for that room had tripped, but it had ...
0
votes
1answer
57 views

FMC as ground through the house

Is it acceptable to use FMC as a ground from the outlets to the box? I see in the electrical code it says it can be 50ft for a branch circuit and 6ft for a feeder. I'm just really looking to ...
1
vote
2answers
74 views

What does the ground wire on a light's mounting bracket connect to?

I am replacing a chandelier in our dining room. I turned off the breaker and took the chandelier off and see two wires (hot and neutral): The replacement light only has two wires (hot and neutral): ...
5
votes
2answers
272 views

Receptacle Grounding for a Sump Pump

I have installed a sump pump in the basement. This house was made in the sixties so it has a two prong receptacle and does not have a ground wire available. I put a GFCI receptacle to plug the pump ...
2
votes
0answers
94 views

Ground Rod in Raised Garden Bed

My detached garage has a subpanel fed by 3-wire plus ground from the main panel on the house. It's 8AWG copper conductors plus 10AWG ground breakered at 50 amps. In the distant future I may run new ...
0
votes
2answers
71 views

Ground wire in subpanel

I'm adding a circuit to a subpanel in my garage (built in the late 70s), and I've been reading a lot about subpanel ground / neutral bonding (how it's not supposed to be bonded at the subpanel, and ...
0
votes
0answers
51 views

Grounding a Light Fixture

I am trying to hook up a new flush mount LED light fixture in my basement. The existing metal box has the ground wire screwed into it, so there is only a loose white and black wire. The light ...
11
votes
2answers
2k views

I have 11V between neutral and ground, how can I isolate the problem and solve it?

I am in Indonesia and the local electricity company is bad and there is no actual electrician around. People just connect wires together. So with this in mind I recently ripped out my wires (unearthed)...
1
vote
1answer
40 views

2 dimmers in one box, one with ground capped

I have a box with 2 dimmers and one on/off switch. One dimmer (right dimmer in the picture) has the ground connected to the bare copper wire in the ground box. The left dimmer has the ground wire ...
-1
votes
1answer
57 views

Open ground in dimmer cord. What could be wrong?

I purchased a SUNTHIN 240W Outdoor Dimmer for String Lights about a year and a half ago. It has worked perfectly up until about a week ago. We had a large storm which pulled the lights off the hook on ...
1
vote
1answer
97 views

Full neutral bar on GE PowerMark load center; what to do?

I have an older GE PowerMark Load Center, circa 1987. It is the same panel being discussed here - this post has good pics of the panel and markings. (GE Powermark Electrical Panel - What Did the Last ...
1
vote
2answers
102 views

Severed ground rods / unbonded neutral in electrical panel

Let's say that a house connected to the power company in the USA has no ground rods (or pipes, plate, etc.) bonded to the neutral bar. Things should still work correctly because the current will be ...
11
votes
3answers
4k views

Is it safe to use the ground as a neutral when other grounds are available?

I moved into a new house and was working on making a three way switch work properly when I came across some creative wiring. The traveling wire between the switches was only two wires, and the ground ...
0
votes
1answer
28 views

Switching 2 light fixtures

I'm trying to swap the light fixtures in two rooms of my house. Both of the fixtures have both green and bare copper wires and while in one fixture only the green was connected and in the other ...
5
votes
1answer
2k views

Looking for some guidance on knob and tube

I have recently moved into a 1920s apartment in Chicago. My landlord has only owned the building for a few years and does not know the details of the electrical system. I have some electrical devices ...
0
votes
1answer
72 views

Connecting a detached building to 30 amp plug

I have a detached building that I want to move in the near future (after my house is done). Can I wire it to a 30 amp plug like an RV would do that way it is still mobile? More specifically is it ...
3
votes
2answers
622 views

What is an acceptable way to ground receptacles branched off of an old 2-wire electrical circuit?

I have a house built in the '50s, and some of the runs are done with what appear to be original 12/2 cloth-sheathed wire without a grounding conductor (just hot and neutral). I'm looking to install ...
0
votes
2answers
62 views

Where should neutrals be bonded with a main panel and two sub-panels? [duplicate]

I added a recording studio to my home. The electrician brought main feed with master breaker into new studio breaker box. The existing home breaker box was made a sub-panel fed from the studio main ...
2
votes
1answer
90 views

CAFI Breaker Randomly Trips

I have a new CAFI breaker in a Square D Sub-Panel (older panel - T5 Series, 24 slots, but new installation of breakers and wires due to renovation work, whole cottage re-wired). I did the rough and ...
8
votes
3answers
772 views

Does my house have a grounding problem?

I've been looking at how my house is grounded because I want to install an antenna outside for amateur radio. After poking around, I'm suspicious something isn't right. I think I'm probably going to ...
0
votes
1answer
44 views

I found an old earth ground with #12 wire, should it be changed after a service upgrade?

About 10 years ago we had a new meter-main installed upgrading to 200A service from 100A at a new service entrance location (closer to the street) for a 1951 daylight ranch house. At the time they ...
2
votes
3answers
227 views

Should I double up grounding wires under lugs in panel or pigtail them?

I have a Square D Homeline panel. I recently had to open it to replace a breaker, and I noticed that the neutral bar has very few, if any, free lugs/screws under which to attach neutrals and grounds. ...
0
votes
1answer
59 views

How do you verify a good ground connection when using EMT conduit as the ground?

When using metallic conduit as the ground wire, how do you confirm that the conduit provides a solid end-to-end connection? If using an ohm meter, how would you set it up and how many ohms are ...
0
votes
0answers
167 views

Two Neutral Wires on Light Switch

I want to install an in-wall lighting timer for my front outdoor lights, replacing an existing light switch. I turned off the breaker to the switch I wish to replace and I've determined which black ...
0
votes
1answer
134 views

Wiring ground wire to mounting plate on new light fixture

I put in a new light fixture today. It came with this braided copper wire attached to the ground screw. Rather than use that braided wire, I simply secured the ground wire directly under the ground ...
0
votes
1answer
81 views

grounding rod concrete

Is it Ok to cover over a grounding rod in concrete? I have two grounding rods one is right by the meter socket and the other one is about 6 feet away. I am having a concrete patio and wanted to know ...
2
votes
1answer
95 views

PEX Upgrade With Plumbing System Electrical Grounding

I'd like to replace my old outdoor hose bibb (because it's really difficult to turn on) with a new hose bibb and PEX. Ground Wire 1 On the other side of the hose bibb is copper pipe and a clamped ...
2
votes
1answer
65 views

Lutron Fan/Light Dimmer switch Install

I am trying to install a Lutron Maestro Fan/Light dimmer, but I’m not sure what to do with the ground wire on the switch. The old fan/light dimmer switch does not have a ground wire. The switch box ...
1
vote
0answers
41 views

Earthing a gate motor

I'm installing a gate motor for out front gate and I'm trying to figure out the best way to install the earth connection. The operator itself comes with a ground wire that's attached to the housing, ...
1
vote
1answer
65 views

What wire do I use to retrofit a ground wire from new range back to breaker box?

Redoing my kitchen and installing a new range while also moving the location of the range outlet (thus, I am required to bring it up to code). Existing range is 8/3 with no ground and a 3 prong outlet ...
1
vote
1answer
184 views

Can I use a 3-pin plug for double insulated appliance?

I haven't been able find a rewirable unearthed (as in 3-pin, one of which plastic) UK mains plug. (I didn't think before hand, but I suppose they're not allowed by BS1363 since you could then too ...
0
votes
2answers
65 views

Can I use 6/1 type ac wire to bond my ground rod to my water pipe that is 100 ft away?

My licensed electrician and city inspector are both asleep as I am ordering the parts to finish a 200 amp service upgrade. Unfortunately, due to the pandemic there is a big shortage on building ...
0
votes
1answer
67 views

Grounding Power at an Isolated Outbuilding?

I am looking to draw off some electricity from an outbuilding. It looks like we have an 60 amp fuse hooked up to 3 wires binging power to this outbuilding. So no ground standard 240v power. I don't ...
8
votes
3answers
2k views

No ground wire or GFCI for a dishwasher

I recently purchased an apartment in New York City built ~2006, and we started renovating the kitchen. After I unhooked the dishwasher (an older Bosch model) I found that there was only a hot and ...
0
votes
1answer
22 views

Replacing two toggle switches that are linked with the same grounding wire

The bathroom light switches are wired to independent red and black switches but are connected together by a copper grounding wire that is looped around one screw and then terminates on the second ...
7
votes
2answers
788 views

My PoE adapter has a separate grounding wire - how do I wire it?

I am trying to add a power-over-ethernet adapter to my set-up. It has a small ground wire (yellow-green sleeve) with a small metal circle at its end going out of it which I assume I should connect ...
1
vote
2answers
134 views

12/3 underground to garage multiple 14/2 wires to bare 12/3. No ground rod anywhere around 14 x54 detached garage

I've been in this house, built in 1941, for two years now. I've been working on replacing very old wiring in the basement for some uncomfortable issues I've found. But these issues pale in comparison ...
17
votes
9answers
7k views

I live in an older home without ground wiring. Is it safe to install 3-prong GFCI with only a hot and neutral?

I live in an older home that doesn't have any ground wiring. Is it safe to just install 3-prong GFCI outlets and use devices and appliances that expect a ground wire connection when I just have the ...
0
votes
1answer
47 views

Can a 20' section of #4 rebar server as concrete-encased electrode ( UFER ) if it is not attached to the rest of the rebar matrix in an on-grade slab

Let's say we have 9'x25' monolithic concrete slab of 5" thickness with a 12" deep by 12" wide "haunch" footer around the perimeter. At 2-1/2" inches below the surface of ...
1
vote
2answers
178 views

Voltage between shower faucet and drain

Is it normal to have voltage between shower faucet and drain? I measured 2 volts between shower faucet and drain when water heater is off, and 11-12 volts when it is on?
0
votes
3answers
580 views

What can I do about these exposed grounding rods?

There are two grounding rods outside my house that stick out above the ground. Besides being a pain to mow around, the longer (bent) one is quite easy to trip over. Is there anything I can do to get ...
5
votes
3answers
721 views

Ground wire pass-through safety switch to sub panel?

I have an out-building 150+ feet from the main service panel with its own 240v 60 amp sub panel. It is powered via a four wire bundle going through underground conduit -- 2 x 120v feeders, 1 neutral, ...
1
vote
1answer
71 views

Telco ground: meter panel vs service panel

My meter panel connects to an exterior service panel on the back of my house via a short stretch of NM conduit. The service panel has my main breaker and ties neutral to a grounding wire bonded to a ...
0
votes
1answer
71 views

How should I connect ground wires for new ceiling fan?

I am replacing a ceiling fan in a house we just bought. The current box for the fan has 3 sets of wires coming into it, one for the switch and 2 for the outlets. However, the ground wires are were ...
0
votes
1answer
344 views

AFCI receptacles vs GFCI receptacles for non-grounded outlets

I'm replacing a few 2-prong receptacles in an old house, and all these outlets do not have ground wires. Cost for rewiring is too much and I'm thinking about using GFCI / AFCI receptacles instead. My ...
2
votes
1answer
89 views

What is the appropriate fitting to connect an armored cable to this stand-alone receptacle product?

I have a pre-existing #6-3 armored cable (without a separate ground conductor), as shown here: I am replacing the range this was connected to, and would like to provide a 4-wire connection via a 14-...
1
vote
1answer
57 views

Retrofit ground wire from water main ground

I am replacing an old oven. It is currently wired with 3 wire (AL SE cable) and has no dedicated ground run. I would like to install a proper 4 wire outlet for the new range. Am I allowed to use the ...
2
votes
2answers
142 views

Can I use the metal cladding of a cable as ground for this range installation?

I have a pre-existing #6-3 cable (without ground) with metal cladding on a 50-A two-pole circuit that was wired into a range. As shown in the photo, this cable has only black, red, and white ...
2
votes
1answer
49 views

GEC and NM cable through same hole?

I'm replacing old 240v wiring in our home and the grounding electrode conductor was put through the same hole in the stud as the 240v cable was. I am not wanting to drill any more holes in the studs ...

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