Questions tagged [voltage]

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1answer
77 views

Why am I seeing about a 50V drop at Load Line into a light fixture box?

Working on a bathroom renovation, moving junction box (JB) that doubles as light fixture (to be centered), there is a 4-wire cable which receives power from another line in that JB. The neutral wire ...
0
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1answer
34 views

Voltage live to neutral low

I'm in the uk on 240V. I've got an extractor fan that isn't working. What I find is that at the fan and the switch that operates it, live to neutral is 160V. Ground to live reads 240 and ground to ...
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1answer
66 views

Voltage still present after breaker is off

My home built in 2016 has a pre-wired car charger line in the garage, I am trying to install a NEMA 14-50 outlet there. Before I started, first thing I did was turning off the breaker to the car ...
6
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2answers
585 views

Why bother referencing neutral to ground in residential transformer?

I'm going to list the 3 scenarios for electrocution I can think up for both a residential transformer with grounded neutral and an isolated transformer. I find that the grounded neutral transformer ...
1
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1answer
98 views

What size and type of wire should I use for a 1000 ft run to create an standard outdoor 120 volt outlet?

I'm looking for advice on what type of wire and size of wire to use to create an outdoor 120 volt outlet that is 1000 feet away from my home. The device I'm going to plug in will pull a maximum of 80 ...
5
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2answers
979 views

If using an old 240v cable to make two 120v circuits, is there a risk of overheating the shared neutral return?

I've seen discussions of using an old 240V wire (two hots, a neutral, and a ground) and reconfiguring it to have two 120V circuits. As an example, if it is a 20A cable, you could have two 20A circuits,...
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0answers
63 views

Electrical voltage is between box and wire, not between hot and neutral. Not OK?

I live in a house that has significant issues. Here's the current one I'm wondering about. This electrical outlet box seems to be "live". There is 120v voltage running between one of the ...
2
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1answer
134 views

How do I convert an old Satchwell/Sunvic TLX2203 thermostat wiring to line voltage wiring?

I have an old Satchwell/Sunvic TLX2203 thermostat. It has 3 wires connected to it which look to be: switched live (green) live (red) neutral (black) (at least I think that's the case) I would like ...
1
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1answer
74 views

Why does my digital multimeter report small voltage between a battery and unattached metal and my fingers?

I was performing some 12 volt DC voltage drop tests and I got a reading that I did not understand. Hopefully someone here can satisfy my curiosity. I had the positive lead on a 12 volt battery ...
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0answers
27 views

2 outlets not working, breaker is not bad

We have 2 outlets (one on each side of the wall) that stopped working suddenly. All other outlets and switches on the same breaker (before and after these 2 in the chain) are working fine. We have ...
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3answers
56 views

Getting various non-zero voltages between neutral and ground on daisy-chained extension cords

Backstory: I am running power (temporarily) to a workshop through a 25' and a 50' extension cords. I was worried about the voltage drop over this length so I was measuring voltage to see if it ...
2
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2answers
58 views

how do i troubleshoot a substantial AC volatge neutral to ground?

I've been having some problems with my computers at home. Today I decided to check voltage from the receptacles. I have 120VAC hot to Neutral, as I would expect, but then I have 50VAC Hot to GND, and ...
2
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1answer
113 views

What are some reasons that my 240V clothes dryer connection (outlet) suddently only has 18V per side?

My clothes dryer suddenly stopped working and I wasn't sure if it was my (new) dryer or the power outlet. Things I Tried I checked the circuit breaker and reset it but the dryer still didn't work. I ...
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2answers
70 views

Oven's heating element stopped working - is the condition of the wiring terminals ok?

My Oven (Westinghouse Freestyle) has stopped heating up properly. The problem happened when the safety-switch connected to the switch-box was triggered, not sure of the cause though it was raining ...
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0answers
34 views

GFCI seding low voltage to downstream devices

We just purchased a cabin and suddenly several lights stopped working. Initially I thought it was just the light over the kitchen sink. So I replaced the bulb and it still didn't work. I then checked ...
1
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1answer
17 views

Low light illumination on ceiling fan

I have a 15 yr old Hampton Bay ceiling fan with light fixture and remote. Worked well when we bought home for a few years but suddenly the bulbs in the 3 bulb fixture are extremely dim. The bulbs ...
2
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1answer
238 views

Three way switch circuit leaking voltage

I have a hallway light fixture controlled by three switches (panel -> 3 way -> 4 way -> 3 way -> fixture). Lights in this fixture routinely burn out within 6 months (incandescent, cfl and ...
0
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3answers
89 views

Can I use a variable AC transformer to adjust the output of a radiant heater?

During the winter I use a radiant heater under my desk to supplement the house's furnace, something like this: https://www.amazon.com/Tangkula-Adjustable-Thermostat-Overheating-Protection/dp/...
4
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1answer
83 views

Electrical hook up for new stove top

The cook top I am replacing (a small, old Credo unit) uses a 2P 30A Circuit breaker. The similarly small new Summit cooktop I plan to install has the following electrical specs: Connection voltage: ...
10
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4answers
5k views

Can a 240V light fixture be used in the US with a 120V light bulb?

The title is pretty much my entire question. If I order a 240V lamp from Europe that takes removable light bulbs, can I simply use a 120V light bulb? I understand that I would change the plug for a ...
2
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2answers
94 views

GFCI outlet reading between 80 and 640 volts on multimeter

I am adding a circuit to feed off a live GFCI outlet. At the outlet I read 118V in both receptacles and the reading is stable. With the new cable, I connected the neutral white to the silver screw ...
2
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0answers
70 views

When a ceiling fan is turned on I get 440v in the room circuit

I installed a new ceiling fan. When switched it on, I get 440v in the entire room circuit; I had stabiliser that showed the voltage. I was surprised. I took a multimeter and measured the voltage it ...
1
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1answer
30 views

What sort of device plugs in to this outlet?

I am looking to buy a window air conditioner. I would like the get the most powerful air conditioner my electrical system can support. I have this plug on my wall: I have never seen this plug before, ...
1
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2answers
194 views

How do you wire and replace an old bathroom vanity light fixture

I am replacing a bathroom light fixture in an old condo built in the 70s. There is armored cable coming into the fixture from the wall. From my understanding is that I need to do these steps, 1) ...
0
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1answer
36 views

Sharing a receptacle box 220v with a 3 wire and 4 wire appliance

I have a 60amp 220v run from a sub-panel. The run is a four wire run (2 hots, 1 neutral, 1 ground). The appliances are an air compressor and a welder. The compressor only requires a 3 wire setup ...
2
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3answers
336 views

Electric power loss over distance

I am working on a project where I install an electric system by my property entrance, than I have to run a wire about at least 700 feet. I do want to deliver 240VAC and I know that voltage drop is a ...
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1answer
93 views

How stupid is it to use an EV charger from a 10-30P plug?

This question was originally going to be "my apartment doesn't have a washer or dryer so I have an extra 10-30P socket that I've been using to charge my car (for reference, an L6-30 plug that included ...
0
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1answer
237 views

Voltage tester indicates the wall has an electical charge

My Dad installed a bar on the wall, and put his voltage tester to the bar, and it lit up red. Then he tested the wall ( with the voltage tester ), and a couple of adjacent walls - 2 red, one not. He ...
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3answers
47 views

Why do different meters show different voltages between hot and ground?

I am measuring voltage between hot and ground wires on a light box. Why does one voltmeter show 4 volts. And another shows 0 volts? How many volts should there be between these two wires?
2
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1answer
55 views

Can I use a 240/120 transformer and adapter cable to connect a generator to my house?

Tornado took out power around here for a good while. Parents aren't here and I'm stuck with the task of hooking up a generator. I'm not savvy with this stuff very much at all. Here's the issue. The ...
2
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4answers
612 views

120v house equipment with 240v generator question

Tornado took out power around here for a good while. Parents aren't here and I'm stuck with the task of hooking up a generator. I'm not savvy with this stuff very much at all. Here's the issue. The ...
5
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2answers
5k views

Why am I measuring 60v at some outlets?

The house I bought a couple years ago had a couple outlets in a small room in the basement that didn't work. Now I'm troubleshooting them. It's a finished basement so I can't tear down walls. There's ...
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3answers
151 views

Power Supply Req: Need 20A 240V

Sorry for the basic question, I am not especially electrically minded. I have a system that requires 16A and 240V power, however we only have 10A wall outlet power available. I did consider ...
5
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3answers
2k views

Which terminal to use on my multimeter

I have read the manual for my new multimeter but unsure which (red) terminal to use for what. The meter has one VΩmA fused 500 mA max terminal and one Unfused 10A Max terminal. I just want to measure ...
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3answers
520 views

Can I use a transformer for a 240v stove/oven on a 120v outlet?

I'm remodeling a section of my house to add a second kitchen, but I don't have a 240v outlet in the room (I'm in North America). To my surprise the 120v North American outlet next to the future stove ...
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2answers
118 views

Temporary (multi-hour) voltage drop that seems instigated by running an appliance?

I have a 15 amp circuit that runs to the laundry room and has on it: An indoor receptacle with a lamp plugged into it An indoor receptacle with an exercise bike plugged into it An indoor receptacle ...
0
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1answer
48 views

How to connect 2 hot wire to a 2 pole MCB?

how can i connect 2 hot wires to a 2 pole MCB? What is the output of 2 pole MCB ? Will it be the same as 2 hot wire output or can connect to a LIVE and NEUTRAL terminal?
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2answers
128 views

What explains a sudden voltage drop to laundry room?

We have a 20 amp circuit running from the service panel to our laundry room, where we have a gas washer and dryer on 120v. We've not had any problems with the electrical system in our house since we ...
0
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1answer
47 views

Voltage based switch. Ceiling fan on dimmable lights

Excuse my ignorance in the subject, below i will try to explain what i have and what i am trying to achieve. In my living room I have about 15 led dimmable recessed lights on a dimmable switch. From ...
17
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5answers
7k views

What type of cable should I bury for a small utility shed?

I'm putting a 8x16 utility shed in my back yard. It will be 100 ft from the service panel. I want to run the supply line under ground. There will be one 4ft fluorescent light and two 120V receptacles....
1
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1answer
153 views

Can a 208-230/460 blower motor be wired for 220 plug

This is my motor I have this blower fan squirrel cage thing and is belt driven by this 3 phase motor and I just want to know if it is possible to wire to plug in my shop wall outlet? If so I probably ...
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2answers
35 views

European Bulb E14 base 15w 110 volt dimmable bulb for Himalayan Salt Lamp

The E14 base is European, as is the 110 voltage. The bulb in question is a 15 watt bulb with dimmer control and is UL listed. Is there any danger in using this rather than a bulb and dimmer ...
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2answers
132 views

Voltage drop with Microwave

I've begun having problems with the voltage dropping when running the microwave (which is noticeable when the microwave slows down!). This does not happen with other high drawing appliances (washer/...
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2answers
80 views

One fuse turned off, still 130 Volt on circuit. How is this possible?

I have a 3x230V electrical system in my house. Every circuit has 2 fuses (one at both ends). On one of the circuits one fuse is switched off, but my lights kept working (although at half their ...
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2answers
200 views

Why does one phase of my buildings mains line show a significant amount of voltage (~60V) when it goes down?

The other day one of the phases of our power faulted and the fuse tripped on the power company side. I measured the voltage at 60-65V. Lights were flickering, and some devices kept running (like a ...
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1answer
51 views

Cutting strands of wire [duplicate]

I am a hvac tech, but my question is I have 2awg stranded and my plug is 6awg, will it matter much if I cut some strands to fit my plug? the plug is 60amp 250vac for a piece of kitchen equipment if ...
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2answers
240 views

Is this old doorbell 12V or 220V?

Is this doorbell 220V or 12V ? Is it AC or DC ? Any DIY replacement ideas ? I have spare electronics
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0answers
38 views

120VAC buried splice [duplicate]

I have a romex cable feeding an outdoor yard light. It was cut, I spliced it, soldered it and wrapped it with tape. Is there a way to splice and bury it safely to code? If not, I'll need to dig a ...
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0answers
450 views

How to chase down an open neutral and low voltage issue

So I bought a home built in the '70s. The circuit in question includes a couple of garage outlets, half of the spare bedroom outlets/light which shares a wall with the garage, hallway light, and an ...
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0answers
39 views

Low voltage/low power on 2 out of 4 LEDs newly installed

PROJECT - Recently replaced two ceiling light fixtures with (4) Easy-Up 6 in. Deep Baffle Color Selectable Canless LED Recessed Kit, made by Commercial Electric. Also installed new switches; lights ...