All Questions
1,654 questions
0
votes
1
answer
1k
views
Wiring dimmer switches in 12V DC circuit with LEDs?
I'm installing some LEDs in my RV that I want to operate via dimmer switches, and would like some help validating that I've installed the dimmers switches in the circuits correctly. Please see the ...
- 3
1
vote
0
answers
72
views
LED power supply with no ground, on what looks like a GFCI breaker
I am installing 12V LED strip lighting in 5 closets of my home. My intention is to use a single Mean Well HLG-185H-12A power supply in the attic, and then run low voltage wire to each closet through a ...
- 151
1
vote
1
answer
123
views
Junction box from main to subpanel - what to do?
I am doing a DIY 400A service upgrade and I would like to get some vetting on my work before the utility connects it and the city inspects it. The meter/main combo is outside behind this wall of the ...
- 983
0
votes
1
answer
602
views
Will a continuity tester or ohm test work to test if a 3-way dimmer switch is faulty?
I bought a Lutron TGCL-153PH-WH 3-way dimmer switch, and I have been having trouble with my three-way wiring. I decided to see if my 3-way switch was faulty, and I conducted an ohm test with my multi-...
- 177
0
votes
2
answers
210
views
Issue with Neutral Wire grouping to install Kasa Smart Dimmer
I want to make it clear that I am a complete and utter novice and know next to nothing about electrical wiring, I just about have a grasp of the basics. I've wired up a lot of other smart switches in ...
1
vote
1
answer
278
views
Identifying which is neutral in 3-way wiring
I am doing a kitchen remodel that involves some rewiring. I am wiring a 3-way light switch, and my wiring diagram looks like the following drawing:
However, the light does not turn on in all 4 ...
- 177
0
votes
1
answer
118
views
Grounding Brass Fixture
The light fixture has no grounding wire attached. Since it’s all brass and going on the porch I think the exterior must be grounded. Do I just affix a wire to the metal somehow? Probably at the ...
- 103
0
votes
1
answer
495
views
replacing my old galvanized pipes with pex, what do i do with the ground wires
so ive got galvanized water lines servicing my house, along with that 6 or 7 wires that are clamped to the pipes,im going to relace everything with pex, im pretty sure i cant just clamp the wires back ...
- 1
0
votes
0
answers
62
views
How do I fix my 3-way light to work with my Ring floodlight cam and my dining room dimmer switch
When I moved in, an indoor 3-way light switch existed. One to turn on overhead fan, one for the dining room light & one for backyard porch light. My handyman replaced my porch light with a Ring ...
- 1
2
votes
0
answers
83
views
How do I get my grounding up to code? Subpanel is missing grounding connector
I have a bit of a situation with my interior subpanel not being grounded properly.
The interior subpanel does not receive a ground wire from the main service panel where it is grounded (to the water ...
- 51
1
vote
0
answers
73
views
What's a tidy way to transition a THHN ground wire out of EMT?
For some networking equipment (PoE security cameras, PoE IoT devices, outside point-to-point wireless links to other locations) that will be mounted on the perimeter and roof of my residence, I'm ...
- 11
1
vote
0
answers
109
views
grounding rigid conduit (RMC)
Does a run of electrical rigid metal conduit (RMC) need to be grounded at both ends, if I am not using it as the circuit ground ?
For context, I am putting a electric vehicle charging station (EVSE) ...
- 2,757
0
votes
1
answer
56
views
any gotchas when adding extra exterior ground
I have an old house with a single external ground: a thick multi strand silver colored wire bonded to rebar. Current electrical code in many jurisdictions ask for two ground rods, not less than 6 ft. ...
0
votes
1
answer
35
views
Safety of direct bonding to exterior ground for CSST
The instructions for my yellow CSST propane line require it to be bonded where the service enters my home. They also specify not to bond at two points, and not to bond at the appliance. The appliance ...
-1
votes
1
answer
31
views
Adding a dimmer switch [closed]
I bought a dimmer switch that is digital and it is a remote switch. Come to find out you need a master switch to run two dimmer switches to one light. The only way to get the master switch is to buy ...
0
votes
0
answers
83
views
Electric wiring for new LED lights when missing ground wire
I am changing basement lights to new LEDs.
The old light fixtures turned on/off via pull string and only two wires (white/black). The new LEDs are the same with the addition of a ground wire.
My ...
0
votes
0
answers
27
views
Replacing dimmer light switch...new switch doesn't seem to have enough wires
2002 light switch with dimmer next to fan switch (separate). Bought new lutron switch and looking at directions for single pole/3 doesn't make sense. Have pics of existing dimmer switch. 2 black wires ...
- 1
0
votes
2
answers
897
views
Why isn't this recessed light working?
I have 9 HALO (HLBSL6099FS35-4PK) LED recessed lights on an Eaton Universal dimmer switch. When I turn the switch on, 8 of the 9 lights turn on. Power flows from the switch, through the 8 working ...
- 1
3
votes
1
answer
363
views
How to replace outlet and switch combo with GFCI and dimmer where two white wires were going into outlet?
I have an outlet and light switch combo box in a bathroom that I’d like to upgrade to a dimmer switch and a GFCI outlet. The dimmer switch replacement works fine, but there are two white cables and ...
- 131
3
votes
1
answer
459
views
What to do with ground wire downstream from ungrounded GFCI?
I am replacing an ungrounded receptacle with a GFCI receptacle, and I will be adding two new receptacles downstream from the GFCI receptacle.
In another post, someone had quoted from one of the code ...
- 33
0
votes
1
answer
5k
views
No Ground Wire in Light Fixture Box
I am changing out my dimmer switch that has not worked in years. When I opened it I do not see where I can connect the dimmer box ground wire to anything. The dual switch next to the dimmer does not ...
- 1
0
votes
0
answers
81
views
Change On/Off switch for a dimmer on a daisy chain
Can I change this simple on/off lightn switch for a dimmer? The dimmer has the same screws on the side. The breaker for this light switch feed multiple outlets. If I'm not mistaken, it is a daisy ...
1
vote
1
answer
68
views
LED dimmer switch
I have removed an old dimmer switch to find 3 black wires and 3 red wires. The black wires were connected together as per the photo. The single red wire was in L1 and 2 red wires were in L2. I tried ...
- 11
1
vote
1
answer
199
views
What kind of clamps are used to attach a main panel's grounding wire to two grounding rods?
The grounding clamps I've seen online (see pic) don't seem suited to attaching a main panel's grounding wire to two grounding rods; the orientation of the part of the clamp that grips the wire does ...
- 2,032
2
votes
1
answer
368
views
What is the third group of wires in the switch box?
I'm trying to replace a light switch with a dimmer. According to a Youtube tutorial and the installation instructions, I am expecting two black wires: one for load and one for hot. There should be two ...
- 21
1
vote
2
answers
164
views
Ground backstabbed into neutral with neutral on ground terminal on a series outlet?
1960s build, electrical redone with a 200 A Siemens panel (where each breaker is labeled with/serves two circuits) about 15ish years ago.
Replacing a receptacle, I came across this series outlet with ...
- 629
0
votes
1
answer
468
views
Wiring grounds from two separate circuits
I am trying to build a rack that has two loads and each load will be powered from a separate circuit. Please see my diagram for reference. Grounding the two enclosure boxes is pretty straightforward.
...
- 15
1
vote
0
answers
100
views
Grounding question: Honda eu7000is generator connected through PG&E backup power transfer meter
Earlier this year PG&E installed a free backup power transfer meter at our California property (info sheet here). Using the cable supplied with the meter, it connects our Honda eu7000is inverter ...
- 31
6
votes
1
answer
705
views
How can I make sure I have a ground wire connection for my range?
I recently replaced my electric range. While doing so I notice that the previous range had neutral and ground bridged, even though it had a 4-wire cord. I'm now a little bit insecure about what to do, ...
- 63
0
votes
0
answers
31
views
No Grounding Screw When Installing Ring Floodlight [duplicate]
**`I’m installing a Ring Floodlight at an existing light fixture, but there is no grounding screw to attach the green grounding wire from the Ring onto.
Is my best option to attach the Ring grounding ...
- 1
0
votes
1
answer
284
views
Motion (vacancy) sensor 3-way with dimmer switch other end
I’ve wired a Lutron MS-VPS5M (vacancy, supports 3-way wiring) switch to the inside of a walk-in closet, so it will turn off 5 min after someone departs the closet. I’ve also wired 3-way dimmer switch ...
- 109
4
votes
2
answers
378
views
How to connect ground from smart switch to the metal junction box
how do I connect the ground wires from my Kasa smart switches to the metal junction box? As shown in photos, the four screws at the back of the j box already have copper wires under. Can I just add a ...
- 47
0
votes
0
answers
78
views
Electric water heater grounding wire not connected
While replacing an element in my electric water heater, I noticed this wire, which is attached to the shell of the water heater, is just sitting in the lower element area, without being attached to ...
- 135
19
votes
2
answers
4k
views
Sketchy looking electrical outlet
I am updating older beige outlets to new white ones around my house. I saw this one has the grounding wire stabbed into the back and white wire not connected.
What the heck is going on here? Any ...
- 191
0
votes
1
answer
195
views
What size wire, breaker, and panel do I need for my shed?
My shed is approximately 200ft from my main inside breaker panel in my house. Shed size is 20x20.
I want good lighting, approximately 8-10 120V plugs, and one 240V plug.
What size wire, size of inside ...
- 13
1
vote
1
answer
227
views
Can the neutral wire be grounded at a manhole (before the service disconnect)?
Consider the following scenario. A 240/120-V split-phase overhead service. The service conductors from the pole-mounted utility-owned transformer come overhead with a guy wire. They enter a weather ...
- 143
0
votes
0
answers
5k
views
Does a lighting fixture without a ground wire need one? [duplicate]
I just bought a lighting fixture (a LED light) that has a power and a neutral line, but no ground. Is this typical for newer low power lighting, or is this lighting fixture just trash?
There are no ...
- 45
1
vote
0
answers
489
views
Where should I attach the ground wire in a recessed light?
I have a recessed can light on the 1st floor with e26 light bulb (Below are pictures) and want to upgrade to LED. I have the LED with metal box and have a green grounded wire. I do not see a place to ...
- 11
0
votes
1
answer
116
views
Proper grounding of old fuse panel now turned J-Box
I am working on my old house from the early 1900s. It has 100A service, a 6x15A FUSE panel that was turned into a sub panel powered by 2x 20A circuits from a small "newer" 100A breaker panel....
0
votes
2
answers
73
views
How to replace single switch with two black wires?
This switch is connected to my dining room (there is only 1 switch for the dining room) and I would like to replace it with a Lutron Sunnata dimming switch:
The black wire connected to the "...
- 295
3
votes
0
answers
168
views
Does an original service disconnect without neutral bonding violate code?
Single family home built in 1987. Question is regarding the as-built: Is it grandfathered and does not be updated?
There is no neutral-ground bond in the 100A breaker equipped main service disconnect ...
4
votes
1
answer
2k
views
Do I have to run the #4 bare copper ground wire continuous with out a break in the wire from the new 200amp outside meter/main panel combo to the 2 g
Continued from question, do I have to go from meter/main combo to the 2 ground rods ,then back inside connect to outside part of my copper water line,then back to the existing 100amp main breaker box, ...
- 41
3
votes
2
answers
386
views
Is there a way to check if your breaker box is grounded?
I've got an old home, built in 1945. I assume the electrical box in the basement isn't that old. There's a ground to the main water line entry. There's also this other wire that looks like a ground ...
- 716
0
votes
3
answers
505
views
Connecting a smart switch ground wire to a metal junction box
I try to connect a smart switch with an integral ground wire.
There is no ground wire connected to my old switch.
Can I connect the integral ground wire to the small hole circled in red in my photo. ...
- 47
0
votes
1
answer
450
views
Why Surge Protection Device (SDP) fails and how to deal with that [closed]
The power surge from the electrical line has taken out electrical appliances from many houses not sure if it's a power sub station fault or primary lightning strike on power pole.
But some of the ...
- 127
0
votes
1
answer
148
views
Grounding for exterior cable/phone interface boxes
I have a cable and phone (currently unused) media boxes on the outside of the house to which the service is connected from the alley aerially. The picture does not show the conduit that goes between ...
- 7,584
0
votes
1
answer
458
views
Replacing a 4-gang standard switches with smart Kasa switches
I am trying to replace a 4-gang standard switches with Kasa smart switches.
How do I connect all the neutral white wires from the switches to the white neutral bundles in the box?
There are too many ...
- 47
2
votes
1
answer
208
views
Can I use a 6AWG ground wire for a 100A feeder that has a section SER 1-1-1-3 and a section THHN?
I'm running a feeder to a 100A sub-panel. The total run is about 90 feet. 60 feet is in an attic, and I'm planning to use Aluminum SER 1-1-1-3, the other 30 feet is through a 1.5" PVC conduit on ...
- 707
0
votes
0
answers
168
views
How should I remedy a ground wire in a switch box which was burnt by a short?
I was replacing a light switch with a dimmer on a 3way pole. Installed last night and it worked fine except a very low hum. I attempted to “fix” the hum by pulling it out today. I turned off the ...
- 101
1
vote
1
answer
371
views
How to Ground flexible metal conduit (FMC)
I’m looking to run 3 circuits 20A 120VAC (3 wires per circuit; H,N,& G, 12 gauge THHN) together through 3/4” FMC. Circuits will have ground fault and arc protection breakers. Residential basement ...
- 11