0
votes
0answers
4 views

Is ceiling fan missing grounding wire from the ceiling box, and is this safe?

I recently had a contractor/handyman install a Hunter ceiling fan for me. It worked great, but my wife came home and thought it was too big. I ordered a different Hunter fan, and figured I could ...
2
votes
2answers
111 views

Does an extension cord from 2 to 3 prongs have any benefits?

If you're plugging a device with a 2-prong plug into an extension cord that has 3 prongs on the other end, does that give it the grounding benefit of the third prong?
3
votes
1answer
135 views

Do I need to ground Ethernet cable run beneath a pier & beam house?

I'm fairly amateur when it comes to home networking, though I get the basic concepts. I bought a 1000' spool of this Cat6 Ethernet cable, simply because it was the only outdoor-rated cable sold by ...
0
votes
2answers
63 views

Where do I attach the earth conductor on a plastic fixture?

I'm replacing some outdoor lights. The old ones were metal, and the earth wire was connected to a screw on the base. The new fixtures are plastic, and there's no earthing screw. Where should I connect ...
1
vote
1answer
50 views

A ground rod where a drain needs to go

My house sits on a hill, and the gutters don't properly drain. As a result, I'm digging a new drain along the side of the house to re-route the water. However, while digging the drain, I came upon a ...
2
votes
4answers
181 views

How to solve a miswiring of neutral and ground

An Outlet in the dining room which had a microwave plugged into it stopped working. I found 120+ volts from hot to ground and 96+ from hot to neutral. Also at one point my "three light tester" showed ...
0
votes
2answers
156 views

3 wire service to panel… neutral and ground wires on the same bar?

I'm getting two conflicting reports and was wondering if anyone can help me. I was told that on the distribution panel, grounded conductors (neutral) and ground wires need to be separated in the ...
2
votes
4answers
125 views

Can armored bx cable come into contact with other metal objects?

I am running armored 12/2 bx to wire 4 high hats, the armored cable is grounded. There is a heating duct which I must go over, but the AC will come in contact with it... Is this ok or do I need to ...
1
vote
2answers
162 views

Japanese Appliance has a Green/Yellow Ground Wire coming out of it, What should I do?

So I recently purchased a Japanese Toiletseat thing (I can't read japanese but I've just been translating little by little), and it has a ground wire (a green/yellow wire) Coming out of the back, ...
0
votes
1answer
61 views

Does HVAC lineset need to be grounded?

My HVAC contractor says the installation of the line set between the air handler and the condenser outside is complete but he has not grounded the lines. Do HVAC copper pipes need to be grounded?
0
votes
0answers
39 views

Ligth Switch with 4 wires

I removed an old light-switch and the following appeared: I went to Brico, showed them the old switch, and got the one below. I am wondering a bit how to connect it. I am a bit worried that I only ...
4
votes
3answers
458 views

Could bad grounding cause sparks and fire when connecting the cable box and TV?

I just moved into a home built in 1955. During inspection, it was noted that none of the outlets were grounded even though they had three prong outlets installed. Per our agreement, the owner ...
0
votes
1answer
57 views

New Fan Switch Grounding Cable issues

I installed a new switch for a new ceiling fan. For power, I pigtailed the 3 wire cable to my new switch from an existing light switch. My problem is with the newly installed ground cable. The 2 ...
1
vote
1answer
110 views

Integrating into knob-and-tube wiring: okay to borrow a ground [duplicate]

I have a mixture of knob-and-tube and NM-B. If I'm extending from knob and tube, but I have a (different) an NM-B circuit nearby, is it technically allowable to ground via ground wire in the other ...
-1
votes
5answers
770 views

Since neutral is connected to ground how is current kept off of ground?

If neutral is connected to ground and current desires ground then I would think it would go to ground. But my understanding is that it is kept off of ground until it's "upstream" of the breaker box, ...
3
votes
1answer
242 views

Where do I attach the fixture grounding wire when no supply grounding wire is provided?

I am replacing an undercounter light and I have a black, white and red supply wire but no green or bare copper supply wire. Where do I attach the green ground wire attached to the fixture?
0
votes
1answer
319 views

How do I add grounding to my old electrical wiring?

This old house is (50's) is wired with cloth covered 12/2 Romex with no ground and all metal boxes. Can I just run a 12 ga or 14 ga solid wire between boxes and then to the ground bus of my service ...
3
votes
2answers
685 views

Can I terminate a ground wire to the neutral bus if the ground bus is full?

I have a Crouse-Hinds main load center. The ground bus is at the top left of panel and the neutral bus is at the bottom right of the panel. I want to add a 15 amp circuit for two outlets in my ...
0
votes
1answer
144 views

Ground wire behaves weird

I never experienced this and it doesn't really make sense. I installed recessed lights(6) with the switch. I connected them all in parallel. The house uses only two wires for lights, white and black. ...
4
votes
1answer
172 views

Why do I hear intermittent speaker hum that goes away when I turn lights off or on?

I'm hearing speaker hum in a stereo system that I recently hooked up. I can't pinpoint when the hum begins, but I've identified that turning certain lights off or on in the same room eliminates the ...
2
votes
1answer
1k views

Why doesn't my motion sensor light work?

I want to install a simple motion sensor (Lutron Maestro MS-OPS2) on a single pole switch in my garage. When I installed it the light would not turn off. The instructions (PDF) that come with the ...
0
votes
1answer
89 views

Why do I detect voltage on my ground of surge protector?

Renting an older home and upon moving in was saddened to see outlets without grounds (two prongs). So, for one of the outlets I bought a 2 to 3 prong with ground clip and ran the ground to some vent ...
4
votes
2answers
365 views

How should I connect to a short ground wire in a metal box?

I live in a 50's era house that has breakers and a ground wire in every metal box of the house. The problem is they only used 2 prong outlets. They cut the ground wire short and wrapped it around the ...
11
votes
4answers
5k views

I have a 3-pronged receptacle but no ground wire connected to it. Is this ok?

I removed the plates from outlets to paint walls and noticed that some of my electric boxes have ground wires connected to outlets while others do not have a green wire at all. Is this ok? I know ...
2
votes
2answers
14k views

Where does the ground wire go in a 3-prong dryer cord configuration?

We moved to a new place where the dryer connection is 3-prong instead of 4-prong. The dryer was originally 4-prong, so we bought a 3-prong cord and installed it. It works fine, except I am not ...
3
votes
1answer
2k views

Is it okay to have an ungrounded light fixture?

I recently moved into an older home (built in 1968) and have been replacing some of the older light fixtures. We pulled down one of the lights and found that there is a ground running into the box but ...
3
votes
2answers
2k views

Is there a length limit on grounding conductor to ground rod?

My service panel is over a concrete patio, it was improperly grounded in the crawlspace. I cannot drive a proper ground rod in the crawlspace so I would like to drive one into the earth on the side ...
4
votes
1answer
1k views

How many ground rods are required for panel and subpanel?

I have a main service panel with two breakers: the main service breaker and a single large breaker to another subpanel in the same structure. All other circuits are serviced from the subpanel. My ...
3
votes
3answers
1k views

Can I attach the main ground from my service panel to the old steel water main in my house?

My current main ground is improperly connected to the water line in my house and I am planning on changing it this week. It is "connected" to (read: formerly soldered, now kind-of-sort-of laying on) a ...
3
votes
1answer
662 views

DIY solution for open ground wiring where electronics need to be plugged in?

Although many of the original two-prong outlets in a rental property (built around 1958) have been replaced with three-prong ones almost none of them are actually grounded (the couple that are ...
0
votes
1answer
4k views

Where do I attach the grounding conductor to my bedroom light fixture?

I have a problem, I broke the center piece that holds the glass part on my light fixture in my room. I purchased a replacement and removed the two screws holding my fixture on to the ceiling. Now I ...
4
votes
2answers
665 views

How should I ground two switches in a handy box that were previously ungrounded?

I am replacing two light switches in my bathroom. One controls the light above the sink and the other controls the fan in the ceiling. When I took the old switches out, I saw that the three neutrals ...
2
votes
2answers
2k views

Can I extend the ground/bus bar in a main service to accomodate subpanel equipment ground?

I am about to replace the main service breaker panel in my house. The old panel (a 200amp Siemens 40-circuit) had bus bars that extended the entire vertical length of the box. The new panel I would ...
5
votes
1answer
236 views

Can I obtain grounding from a different outlet?

I have a room with 2 ungrounded (2-prong) outlets and 1 switched grounded (3-prong) outlet. This has not been a serious inconvenience so far, as most of the equipment I wish to connect has ungrounded ...
7
votes
2answers
811 views

What is a 'grounded neutral' and how bad is it?

I bought an electrical device a few months ago. A few weeks ago, it failed, complete with the release of magic smoke. I contacted the company, and they've had me mail it to them and have been ...
4
votes
2answers
396 views

Is this switch properly grounded?

I replaced a standard single pole switch with an Intermatic ST01 timer switch, into a metal electrical box with three other switches. The switch I was replacing had no ground connection, but some of ...
6
votes
3answers
2k views

Is it OK to have ground wire connected to breaker box wall instead of neutral bus?

After having issues with lights flickering, I noticed the main 100A breaker was warm and arcing slightly. Instead of just replacing the breaker, I decided to call in a electrician to install a larger ...
0
votes
3answers
566 views

Can I ground my workbench using an unused outlet's neutral?

I haven't found any advice on my specific predicament, so I'll ask here. First, some background. I just moved into a house with old electrical wiring (read: ungrounded outlets). Unfortunately, the ...
4
votes
4answers
7k views

Can I safely ground a light fixture if the ceiling box has two hot and one neutral wire (no ground wire)

Checking for dupes, I saw this question, but the situation appears different as my box is metal, among other things. I'm fairly new to electrical projects, so bear with me. I recently installed a new ...
3
votes
2answers
35k views

How should I connect the ground wire for my light fixture?

I am replacing a light fixture in my bathroom and have the following setup: The electrical box is plastic The wire coming from supply has black (hot), white (neutral) and copper (ground). The light ...
4
votes
3answers
602 views

Could a disconnected ground wire in the breaker box have caused any problems?

A major home improvement company renovated the outside of our home. During the process the subcontractor jacked into our breaker box without permission and without the use of an electrician. After ...
5
votes
1answer
294 views

Can a single metal electrical box use two ground clips?

Inside a metal electrical box, can I use multiple ground clips (one for each conductor), or is it required that all ground conductors be twisted together and pigtailed into the same clip?
2
votes
2answers
552 views

Is it possible to detect from the power outlet if there would be current that needs grounding?

In my house we have 2 outlet power sockets (no earth) and whenever I charge my laptop I would get electric shock from the laptop when I am touching ground like if I hold laptop on my lap and touch the ...
8
votes
3answers
1k views

Is an ungrounded GFCI outlet safer than a plumbing-grounded non-GFCI outlet?

I'm in the United States. I have a handful of three-prong outlets that have been grounded to the underground water main just as it enters the crawlspace. All of the ground wires are home runs to the ...
3
votes
4answers
2k views

GFCI not tripped, but no current downstream

I have an outside shed with a non-GFCI outlet and a light fixture. Only the light is controlled by a switch. The shed is wired off of an outside GCFI outlet. Everything, including the outlet, was ...
3
votes
1answer
334 views

What is this orange clip my ground wire is connected to?

I am trying to replace a dome light with a nice small ceiling fan. When disassembling the old light, I notice an odd orange/clear clip connecting the lights ground to the house. What is this called, ...
4
votes
2answers
2k views

Why does my computer have a ground fault only when a peripheral is attached?

I have a weird problem regarding grounding: I have a computer, printer and a LCD screen connected to the electric outlet through a power strip. My computer is zapping me when I touch the body so I ...
2
votes
1answer
507 views

Potential wall socket fault

I'm remodeling a room and sorting up a rat's nest of questionable electrical practices... boxes hiding in the wall, wall fixtures being used to branch circuits, etc. At this point, all of the hard ...
2
votes
2answers
2k views

How do I know what size grounding conductor is required?

Is there an international standard that specifies the size of the grounding conductor to bond a metallic part of the installation to a grounding bar?. And to connect the grounding bar to the ...
5
votes
1answer
4k views

How can I determine if my receptacles are grounded, and how can I fix it if they are not?

My upstairs office has 3-prong outlets, but according to my surge suppressor, they are not grounded. I took one of the sockets off to inspect how it was wired, and it seems to have a ground wire ...