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Questions tagged [electrical]

Distribution and use of electricity throughout the home. Electrical standards vary greatly worldwide, so providing your location in your question or your profile helps ensure you get answers that are relevant to you. Posting photographs of wiring junctions or drawing a wiring diagram and posting it is also highly recommended.

2
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1answer
78 views

After power outages the same type of light bulbs don't work anymore

Wind knocked out electricity multiple times today and my light bulbs were very dim or not working and I replaced with a new same bulb but does not work even though the old one that's dim still works ...
1
vote
1answer
83 views

70 amp service from 200 amp main

We need to run conductor from a 200 amp main service panel to a sub panel that is approximately 200 feet away (50 inside garage, and 150 underground.) The breaker in the main panel that will feed ...
9
votes
4answers
2k views

Want to switch to tankless, but can I use my existing wiring?

The tankless water heaters I am looking at require 8 AWG wire but the existing wiring is 12 AWG. Can I do this without having to rerun new wire?
-2
votes
2answers
66 views

What would happen if I connected just an electric dryer coil to a 120v circuit? [closed]

What would happen if I connected an electric dryer coil to a 120v circuit
2
votes
1answer
52 views

Grounding a subpanel using existing wiring

I had a 60 amp breaker that was connected to an oven in the kitchen. Since this is no longer needed, I'm trying to re-purpose this #6 wire to connect to a new Electric water heater I'm putting in the ...
2
votes
3answers
155 views

What type of Circuit Breaker is required for this slot?

I was looking at adding an extra breaker or two to my panel as I have two open slots. I opened the front of my panel to see what I was dealing with inside and was perplexed by what I found, I'm going ...
2
votes
1answer
34 views

Existing 3-way circuit trips breaker

I'm sleuthing out a mysterious short in a 3-way circuit and could use some advice. I have an ordinary 15A breaker with a feed to our kitchen pendants, and some outlets in the room. The lights are ...
0
votes
1answer
40 views

What type and gauge ground wire do I need when using 1/0 hot and neutral wires

I have a 260 ft run from my main 225A panel to a 100A subpanel in a steel shop out in my yard. I have a #4 bare copper wire grounded to the rebar in the foundation of the shop. Not knowing what I ...
2
votes
2answers
61 views

Can a multi-meter be used to test home theater receiver speaker output?

I have a Sony HT-CT150 that no longer outputs sounds. Can I somehow use my mutli-meter to test the speaker output? Here's what it looks like I want to make sure that the system is actually ...
1
vote
4answers
243 views

What is this electrical device shown in picture?

I was watching "Better Call Saul" and came across this electrical device. I have never seen such a device. I want to know what it is called and what does it do/measure? Here is another angle.
3
votes
3answers
799 views

Are tamper resistant receptacles really safer?

Tamper-resistant receptacles (marked with TR, sometimes know as TRR) are designed to be safer than regular outlets by making it more difficult to insert foreign objects. That said, there are lots of ...
2
votes
1answer
65 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 ...
3
votes
2answers
130 views

Nylon switch cover plate screws

Every time someone touches any of my light switches they get a static shock. I know the root cause is the humidity is too low, but until I fix that, I heard that nylon cover plate screws (vs the usual ...
6
votes
1answer
837 views

Outlet with 3 sets of wires

I have an outlet I've been fooling with and now I'm at a loss. New-to-me house, cable guy came and installed internet, using that outlet for router power. Later in the evening I noticed the router ...
0
votes
1answer
22 views

G24Q CFL Line Voltage

I am working with a CFL that requires a ballast to fire the lamp. This lamp is a G24Q-2. The lamp has four pins on the base. I am assuming that two of the pins are for the ballast connection and the ...
1
vote
3answers
74 views

Are an outlet and a light bulb at the main electrical panel required?

I've heard that the main electrical panel needs a GFCI outlet right next to it, and it also needs a switch to an overhead light. But I can't find anything on the net to confirm.
1
vote
2answers
58 views

Confusing ceiling fan wiring

Long story short, moved into this house 2 years ago, 2 gang switches in bedroom, one for ceiling fan and light, one supposedly for switched outlet. Finally got around to finding which outlet was ...
0
votes
1answer
25 views

Split the ceiling fan and light to separate power. Need the power to be controlled by each switch

Have a ceiling fan with single wiring for both fan and light. I would like to split one switch into 2 so the fan and light can be controlled separately.
0
votes
1answer
60 views

lights do not go on but i can verify that power is delivered from the switch to the light

My basement lights do not go on. I have tested the breaker and there is continuity. I tested with a sniffer that power to the light from the switch is good and that the switch will cut power in the ...
0
votes
2answers
93 views

What amperage panel do I need for a hair salon?

What amperage panel do I need for a hair salon with 14 stations all of them drawing 16 amps each at any given time? (1800 watts / 110v = 16.36 amps ?) By my logic we will need a minimum 16 * 14 = ...
0
votes
1answer
41 views

Running Wire to an Outside Load Center

I have a manufactured building that is built like a mobile home. It is already wired with an A/C, outlets, lights, etc. through a 125 amp panel. The panel is very small and has no room for additional ...
0
votes
1answer
78 views

Is there a custom electrical outlet available with the connecting holes offset from the middle? [closed]

We just had our bathroom strip lights replaced with vanity lights. However, over one mirror, the cutout hole is partially blocked by a plumbing vent pipe, causing the light to be off center when ...
2
votes
1answer
105 views

Where would I install a bonding screw in this panel?

Im trying to help my grand father and believe I need a bonding screw installed. (he has neutrals and grounds on the same bar) Can anyone please indicate where it goes on the main panel? If you could ...
0
votes
1answer
81 views

Partial power outage ,facing single-phasing

My short name:Teza, we have had partial power outage in our house since months ago. First we would hear a short chirp sound then we would see flickering of some light bulbs, then power would go out, ...
1
vote
3answers
80 views

Can I add another outlet to an existing load outlet?

I have an existing outlet with four wires plus the ground. I want to add an outlet directly outside the house using the existing outlet as the feed. Can this be done?
2
votes
1answer
36 views

Is sealant recommended/required over receptacle or other ceiling fixtures located in attic?

I noticed my attic has a few recess lights just sitting in attic insulation and I was planning on adding a new receptacle via my attic ceiling. Do you recommend adding some sealant around the electric ...
7
votes
3answers
2k views

Can I solder 12/2 Romex to extend wire 5 ft?

I'm sure this is going to be lambasted by the code gods, but is it SAFE to solder the wires in a Romex cable to extend it? Obviously I would ground the circuit as normal, just trying to avoid another ...
0
votes
0answers
98 views

GFCI Reads Open Hot - Won't reset

I have an outlet in my bathroom that quit working. Tester reads "open hot". Outlet is at the end of a run and everything else seems to be working properly. Tried replacing the GFCI, but still have ...
1
vote
1answer
73 views

“Reportable” electrical issues in commonwealth countries

I have a friend in New Zealand who said he hired an electrician to come and do some minor work and while at this he found an unused electrical installation that he said was "reportable" and had to be ...
1
vote
1answer
74 views

Terminating unused wire in breaker box [duplicate]

I have an unused wire that used to be hooked up to the dryer breaker that is "hanging" in the breaker box. What is the correct way to terminate this wire? I don't want to cut it in case we want to use ...
0
votes
0answers
53 views

Also have 3 black, 3 white and 3 ground wires coming from ceiling but difference in current

I'm replacing a ceiling fan and found the same problem as Cathy Ashley with 3 each white, black and ground coming from ceiling. None were marked, and I couldn't remember how they were originally ...
1
vote
1answer
79 views

What does NEC require for strapping down conduit and wire here?

Below is a picture of the current conduit and wire setup for my new underground service into my house with generator automatic transfer switch and manual transfer switch to allow me to switch to an ...
2
votes
2answers
115 views

Proper breaker for my table saw

Can I run this motor on a 30 amp breaker? The saw Is "prewired 230v" but the wire from the motor to the plug is only 14 guage. Is that a hazard?
1
vote
1answer
92 views

Why is every second breaker out in my panel? [duplicate]

I have notice that every other circuit breaker in the panel is not working.I also notice after pulling the breakers that they all tested good using a continuity tester!! however inspecting the red ...
1
vote
2answers
108 views

Old Style Fuse Box

I'm in the UK and in the process of buying my first house (early 1900's victorian terrace). I paid for a home buyers report which came back with some areas for improvement, one being the fuse box. The ...
0
votes
2answers
110 views

Can a 240V circuit be split to make two 120V circuits when 240V is no longer needed?

I have a 240V circuit that is no longer needed. Can I split it into two 120V circuits?
0
votes
2answers
65 views

Running 12V Wire Behind Walls for a LED Stair Light?

I'm interested in lighting a stairwell in my house using a red LED strip. I have a nearby AC outlet and plan on using a typical 12V power supply from the AC outlet. I know that class 2 wire is ...
0
votes
2answers
27 views

Adding Recessed Lighting to bathroom circuit

I currently have a dedicated 15A breaker connected to 2 outlets (with GFCI) in a bathroom using 14/2. These 2 outlets are all that is connected to the breaker. I plan to add some recessed lighting ...
2
votes
1answer
48 views

What size breaker and wire for a barn feeder circuit?

February winds blew down my overhead service to my barn. I would like to replace the 1950's two wire service and update to a safe, sub feed using a complete new underground from a 150 amp house box. ...
0
votes
0answers
54 views

two grounds already wired together in outlet box

I'm trying to install a wall light to a fixture that simply had a bare bulb. In the box, the two black (ground?) are already wired together. Do I attach the ground from the new light to the two ...
0
votes
1answer
57 views

Metal Conduit For Tankless Heater

I'm looking at getting an EcoSmart(or similar) electric on demand water heater in my home(WA state, not in Seattle). The sizing indicates I'll need 3x8ga(3x40A breaker) conductors. Long story short, I ...
0
votes
2answers
58 views

Issue with Kitchen Receptacle

I have a kitchen split receptacle. The top outlet of the receptacle reads 120V AC as expected, with the hot wire being red and feeding from the breaker. The bottom outlet reads 17.44V AC, with the ...
0
votes
2answers
36 views

14 Ga stranded wire bathroom fan/light on 20 Amp circuit?

I'm know this topic has been covered thousands of times but I can't find a good explanation to what I'm looking at. I am putting in a basement bathroom, I'm wiring it now on a 20 Amp circuit per code, ...
1
vote
1answer
61 views

Issue with residential electrical system in Brazil

A 127 volt electrical receptacle in my kitchen in Brazil appears to have a problem. Could be a coincidence, but after moving the frig to clean behind it (it was never tilted) and plugging it back in, ...
0
votes
1answer
38 views

DIY wind turbine? [closed]

I have just acquired a small treadmill dc motor and I have an old car battery. ` I'm looking to set up a small wind turbine or hydro turbine to charge the battery, but I'm getting stuck on the ...
2
votes
1answer
61 views

What's the name of this connector?

I have a ceiling light fixture with four bulbs and a fan. A while back, two of the bulbs stopped working, but the bulbs themselves were not broken, as putting them into another lamp showed the bulbs ...
0
votes
0answers
23 views

Flickering started: All 4 LED bulbs on dimmer switch flicker in unison

All 4 LED Recessed lights on dimmer switch #1 just started flickering in sync (sometimes) starting 2 days ago. 4 years with no problem 4 other LED's on a DIFFERENT dimmer switch #2 (but same circuit) ...
1
vote
1answer
42 views

Convert 2 adjacent double gang box to 4 gang box; what are these extra wires?

I'm attempting to convert 2 adjacent double gang boxes into a single 4 gang box (see my first question about this here: 2 gang boxes installed side-by-side; How do I fix this?). When I removed the ...
1
vote
1answer
39 views

Do I need to upgrade other circuits if I only plan to change one?

(San Francisco, California) I plan to run a new dedicated circuit for a kitchen appliance, and to get up to code also move the bathroom to its dedicated circuit as well. This is an old house. The ...
1
vote
1answer
49 views

OK to attach a metal electric junction box and armored cable (MC) to underside of subfloor in basement?

Is it OK to attach a metal electric junction box and armored cable (MC) to underside of the subfloor in a basement with an exposed ceiling? Or does it have to be attached to the side of the joists in ...