Questions tagged [voltage]
The voltage tag has no usage guidance.
170
questions
4
votes
1
answer
361
views
Why does each leg of my 240V outlet measure 125V to ground, but 217V across the hot wires?
When I measure from hot A to ground of my 240V receptacle, I see 125.3V on my multimeter. And 125.8V from hot B to ground.
But across hots A and B, I see 216.7V. (There is no load when I'm measuring.)...
1
vote
0
answers
24
views
Voltage on circuit in house rises when turning on oven. What can I do to diagnose and fix this issue? [duplicate]
I have appliances (fans, tv, and tube lights) flickering and/or shutting off. When I turn two of my oven burners on the flickering stops, the fan speeds back up and the tv turns on permanently with no ...
- 11
1
vote
1
answer
71
views
High voltage at main breaker
I have a 100amp breaker and one pole is reading 185 and the other is reading 57. Outlets are reading 185. Main power shutoff breaker on outside pole by meter keeps tripping the breaker.
0
votes
1
answer
86
views
New Electrical Services 400 Amp with main Distribution panel -got high voltage?
I install new service 400 Amp Single Phase with distribution panel and I receive 130 Volts on each leg. Can someone can explain why?
I got check by ComEd utility Co. According to them everything is ok ...
- 1
1
vote
4
answers
136
views
Renters using too much power and the breakers keep going off
I'm renting four rooms in a 4 bedroom apartment (bought the building this way). They have a fridge, stove, microwave, washer, dryer, etc all in the kitchen. Then, they also have AC's in 3 out of the 4 ...
- 93
6
votes
2
answers
1k
views
What can cause a 24 volt solar panel to output 40 volt?
I have 2 solar panels (330 watt, 24 volt) which are installed and were used to 3 years, then I installed a larger system and disconnected these smaller solar panels. These were unused for more than 6 ...
2
votes
2
answers
358
views
What is the maximum rated EV charger I can install and use here?
I have an old house which has had extensions progressively added over 100 years. I cannot wire any cables directly from my main circuit breaker to my garage. Ideally I would like to install a Type 2 ...
- 145
1
vote
0
answers
46
views
Switching electric hob to induction hob
I’m wanting to switch my electric hob to an induction hob. The electric hob is on a dedicated circuit. Photos of the current electric hob and the ’to be installed’ induction hob as well as the circuit ...
- 11
0
votes
0
answers
24
views
Im getting 2different voltage reading coming out of my meter to the main 120v /103 could this be the reason lights are flickering every so often,?
My lights keep flickering and only getting 70v in room with three outlets . I checked the voltage in the panel n at the meter coming to can and I'm reading 100v and 120v on othe. Is this an open ...
- 1
5
votes
2
answers
2k
views
Why do I see low voltage in a repaired underground cable?
An excavator accidentally pulled and cut 2 underground cables that power up our pool shed (light and pool pump).
I fixed one wire that powers the lights but I have trouble fixing the other one that ...
- 89
0
votes
0
answers
74
views
Help figuring out how to/ the best way to get power to a new house
We are hoping to build a house that will be located about 600 feet from the nearest transformer. We have two options. 1) Let the power company cut down a lot of trees, put in more poles, run about 450 ...
0
votes
0
answers
68
views
Voltage detected in siding nails and foil insulation
Background: I am in the process of installing siding on my home. Currently I am removing the old siding from one side and I'm trying to identify wire locations so I can take extra precautions when ...
- 11
-2
votes
3
answers
110
views
PDU power input [closed]
I am trying to figure out if a PDU AP8853 that is build for LAM, EMEA, GCN, APJ can be installed in US and I am not sure if possible or not without any modifications to it. It comes with IEC-309 32A ...
- 117
0
votes
2
answers
66
views
What is causing some of the receptacles in my trailer to not output 120V?
Out of the blue my oven/stovetop, my microwave and various other appliances along with some light fixtures stopped working. Making a long story short, it has rained here for days and I don't know if ...
0
votes
1
answer
34
views
When I replaced a ceiling fan, I noticed the fan circuit had about 30 V on it when the light circuit was on and vice versa
I took the old fan down. To make sure I wired the light to the same switch, I tested the voltage at the outlet box in the ceiling before I hung the new fan. When I turned on the light switch, I ...
5
votes
2
answers
366
views
Why is my electrical panel buzzing?
I hope you can help me identify where this is coming from. First my electrical is all metallic with 2 wires only, and ground via metal conduit.
After some troubleshooting I've found the following:
On ...
- 89
15
votes
5
answers
4k
views
Why does my tankless water heater fail when the HVAC is running?
Florida, USA. 1963 or 1964 home.
TL;DR: When my central (electric) heat is running, my A.O. Smith tankless (electric) water heater malfunctions.
We purchased this home a few months ago. Over the last ...
- 334
0
votes
0
answers
69
views
20 volt drop in electric line
EDIT: Added photo and comment about other fixture.
I recently replaced an outdoor fixture because the old one wasn't working. The new one didn't work either, so I started sleuthing. It turns out ...
0
votes
2
answers
124
views
Why does one outlet on a branch suddenly show lower voltage?
I have a branch with few outlets and ligths on it, and one outlet developed a problem overnight, in the sense that whatever was plugged into it was energized last night, but was not in the morning. ...
- 405
0
votes
0
answers
82
views
Why is my light still on when the dimmer switch is off?
I recently replaced my chandelier with a new fixture (and new bulbs) and noticed that when my dimmer is off the light is still on. Dim but on. I measured 10V between Load and ground.
If I remove the ...
- 190
0
votes
0
answers
37
views
All circuits show low voltage / lights flickering
Problem started two weeks ago and was first noticed when our microwave sounded very low-power. Later, a power tool was used in the home and it blew a surge protector on a different circuit. Three ...
0
votes
2
answers
115
views
Voltage Drop On a Circuit, How Much is Too Much?
I bought a UL-listed electric fireplace a couple years ago and I'm still trying to confirm everything is normal and safe in the winter. This is a 1500 W (12.5 A) cord and plug appliance running on a ...
- 6,799
5
votes
3
answers
1k
views
220v Washer Dryer Machine Voltage Tolerance
I moved to an old apartment where the energy output is, in practice, between 130v and 140v (should be 127v max in an ideal world), and I have a 220v (not 240v) washing machine which was intended to be ...
- 159
0
votes
1
answer
89
views
Replacing wires in Room from the 1980's
I have a couple questions on my rewire / remodel I am doing.
I rewired a ceiling with LED potlights. I used 12/2 Romex. I just noticed for some reason the room is running on 20Amp breakers. Is ...
1
vote
1
answer
217
views
ceiling fan on after shutting off power [closed]
Trying to remove a ceiling fan upstairs. I shut off the breakers for upstairs, and everything turned off - except the ceiling fan is still running. None of the rooms upstairs have power. How is the ...
- 21
0
votes
2
answers
237
views
Electrical outlet is not outputting nearly enough voltage
So I've been dealing with a faulty outlet for the last week now, and have done some debugging steps but am a bit lost on where to check next.
I first attempted to replace the outlet but then found ...
- 1
0
votes
1
answer
327
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 ...
- 117
0
votes
0
answers
73
views
How to stop TubeLight from flicking when the water heater is turned on
Please find the video here. Whenever I turn on the water hater (tanked AO Smith HSE-VAS-X-015 Storage 15 Litre Vertical Water Heater (Geyser)), the tube light flickers. I'd like to stop that.
Should I ...
- 117
0
votes
2
answers
134
views
Voltage meter from power conditioner in home showing crazy jumps and inconsistency
I’m having this issue with here I can't get a stable voltage reading coming out of any outlet in a particular room. I have a furman m-8dx power conditioner with a voltage meter that jumps anywhere ...
-1
votes
1
answer
133
views
Why did my water stop getting hot and my stove doesn't do anything
Cold water coming from the hot water heater. Changed the bottom heating elament that was bad and let the tank refill. Turned power back on and waited an hour, turned the water on to see if it was ...
0
votes
1
answer
425
views
One leg is 90v the other 140v
When under load I’m getting 90v on one leg and 140v on the other Al thought it varies. If I turn everything off I get 120v on each phase to neutral. I think it’s the power company side, but they came ...
- 1
2
votes
3
answers
343
views
Daisy Chain Subpanels or Not?
I’m trying to run power to a well pump house/seed starting shed now, while also planning for a barn/shop several years in the future. I am wondering if I should have two separate circuits (a lot more ...
- 111
0
votes
1
answer
293
views
I am getting 120 volts when checking the hot and neutral on the outlet but when I check the hot and ground I’m only getting 80 volts? [closed]
I am getting 120 volts when checking the hot and neutral but only 80 volts when checking the hot to ground?
0
votes
2
answers
699
views
Can I plug a 240v halogen light bulb into a 120v lamp?
I’m trying to buy replacement bulbs for my halogen lamps. The lamps say “Maximum Wattage 100W”, but they say nothing of voltage. The bulbs that came with my lamps say “120V 100W”. I’m in the United ...
- 101
0
votes
2
answers
145
views
220V Induction Heater Electrical Connection
I'm hoping to get an induction heater for my condo, but the heater requires 1 hot, 1 neutral, and 1 ground. I believe that's a European electrical setup, so how would this get connected in the United ...
0
votes
2
answers
462
views
How to voltage test GU10 a bulb socket
I have a GU10 light socket that is flickering. I bought a LED compatible outlet, quality LED dimmable bulbs (and have tried a few different ones). I suspect that the voltage is fluctuating because ...
- 1
0
votes
2
answers
1k
views
Is it OK to mix wire gauges when trying to reduce voltage drop over long lines?
I'm planning out an off-grid electrical system in which I'll have electricity going to an outbuilding from the inverter. The total distance one-way is around 200 feet.
I'm concerned about voltage drop....
7
votes
4
answers
1k
views
What is the best way to wire for 120 volt & 240 volt remote power on a saltwater dock that is located 800 feet from the house main panel?
I have a saltwater dock that extends 625 feet from shoreline with an elevated junction box at the dock entrance, which is located an additional 175 feet from the dock entrance to the main panel of my ...
- 71
2
votes
3
answers
753
views
How can I determine the voltage requirements of an appliance?
I am moving from the USA to Japan and I really want to take my espresso machine with me. Japan runs on a lower voltage (Japan's voltage is 100 V and the frequency is 50-60 Hz). I have attached a ...
- 21
2
votes
1
answer
237
views
Why live to ground voltage is only 0V (in a 220V AC power outlet & there is also electric shock on the panel)? [closed]
my name is Kelvin. I'm a trainee hydraulic engineer in Indonesia. I apologize if this question has been answered before / if this question is too basic. So we have a problem with electric shock coming ...
0
votes
1
answer
90
views
Different output levels depending on input voltage / amps
I have some PA speakers that display two different fuse levels on the input label depending on the input voltage:
Am I right in thinking you multiply the amps by the voltage for the fuses to get the ...
- 195
0
votes
2
answers
50
views
Replacing on/off switch in 1960/70's (ish) metal gooseneck lamp (U.K.)
I'm in england - the uk?*
I'm not sure if I should post this here, it is hardly electrical engineering, but I'm not sure where else to put it.
The switch on my bedside lamp has died. I've taken it ...
user1224642
5
votes
4
answers
2k
views
Should the voltage of L1/N and L2/N sum to the same voltage as L1/L2?
I have a smart meter that is complaining the voltage is too high. When I use my AC volt meter on the two lines, I get 229. But when I do just L1 to N or L2 to N i get 129 and 131. I thought the ...
- 183
1
vote
1
answer
713
views
What is voltage supposed to be on a typical light circuit?
I have the same circuit shown here in my house minus any ground wires. I was doing renovations and had the ceiling fixture removed. When I was going to reinstall the ceiling fixture I made sure the ...
- 11
0
votes
1
answer
202
views
Voltage increases in one outlet when stove is turned on
Wife got a new monitor for her laptop and she started noticing that when the burner in the gas stove is turned on, her monitor goes dark for 1-2 seconds. The same happens when the burner is turned off....
1
vote
2
answers
481
views
Neutral line has 2.3v
I have a RV and I plugged into shore power for the first time the other day and noticed the plug has a test light that says if the wiring is good. It lit up saying my N and L were reversed.
I checked ...
- 347
1
vote
4
answers
1k
views
10/3 uf cable for 30 amp circuit
I have a 10/3 UF cable running to my greenhouse, but I am not sure of the exact distance it runs underground.
I want to add an electric heater and would like to use a 30 amp circuit but my only ...
- 11
0
votes
1
answer
976
views
What causes sometimes low voltage & sometimes high voltage on different circuits in my house? And I have to run 2 space heaters for either to work [duplicate]
I’ve had issues with flickering lights for a while & over the summer we added a window unit to my sons room & you could barely tell it was running. I used my meter to check several outlets ...
2
votes
4
answers
5k
views
Is there a maximum wattage lightbulb I can use on ceiling lights or floor lamp lights?
I'm trying to create some brighter lights in my home to deal with the effects of the winter and I'd just like to check whether there any dangers or limits on using extremely powerful bulbs.
In ...
1
vote
2
answers
1k
views
Can severe voltage drops in the house cause damage to wiring and electronics/appliances?
For the past three months we had voltage drops in the house and eventually found out that negligence of the power company caused it. It was finally fixed, but my question is, should I or an ...
- 51