Questions tagged [voltage]

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2
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0answers
62 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 ...
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1answer
26 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, ...
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2answers
71 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) ...
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1answer
31 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
219 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
70 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 ...
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1answer
71 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
44 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?
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1answer
12 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 ...
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4answers
121 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
327 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
118 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 ...
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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
132 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
93 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 ...
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1answer
33 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
65 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
45 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 ...
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5answers
6k 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....
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1answer
86 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
33 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
81 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
74 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
177 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
48 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
173 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
112 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
31 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 ...
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0answers
21 views

Bad voltage at second breaker box

I got 109 on one leg and 140 on the other. Have tried to run only one leg but voltage remains the same. The main box is 120 at each leg
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1answer
390 views

NEMA 6-15 to NEMA 6-20 A/C unit

My energy provider sent me a WiFi A/C system to hook up to my window unit, however, I cannot plug it into my wall because I appear to have a NEMA 6-15 outlet that matches the plug on my A/C unit and ...
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0answers
52 views

Remaining AC Voltage [duplicate]

So I have a three switch box and one goes to a light/receptacle outlet on the wall. The other two go to my ceiling fan. When I read the wires out when they are switched off I get 0vac. When I turn ...
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2answers
111 views

Voltage/current stabilizing

I am running a wire 300+ feet. I'll need to place a transformer every 100 feet that would maintain voltage/current, therefore I wouldn't get any drop so that I can maintain 110vac 20 amp. Which ...
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4answers
10k views

Confusion over 220 and 230 volt outlets

We have a 220 outlet for our A/C. We are shopping for a new unit and all I am see is 230 volts on the units. Will we have to rewire with a new outlet for a new A/C?
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1answer
382 views

Use 220v appliances on Japan 200v: how to connect

I've posted this question in the electrical engineering and they have recommended to do over here, so here I am :) I’m trying to understand how I can connect my European appliances to the 200v ...
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0answers
58 views

No voltage after changing light switches

I turned the power off and replaced a few light switches... and when I turned the breaker back on, one of the switches on a circuit is not working. There are a few other switches on the same circuit ...
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0answers
142 views

Why do I measure 12VAC on old thermostat wires?

I'm installing a nest thermostat in my house - it's the UK version with a heatlink. I have successfully wired the heat link into my combi-boiler, disconnecting two existing wires in the process. I ...
0
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4answers
58 views

Can I infer the amperage rating of an electrical panel from the pump motor rating?

Replacing a sewage pump for a building Existing panel is Challenger Electric J94 Company discontinued so unable to find amperage I know the Voltage-Motor Horsepower rating information. What is the ...
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2answers
80 views

52 volts on my cable demarc (House Side) to ground

The cable company demarc coax was burned and melted. New cable installed. Said the problem was bad house wiring. I checked all the plugs and all the lighting in the house. Found no real problem. Then ...
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3answers
266 views

Confusion while diagnosing an open ground

I have an outlet tester and it says the outlet in my bathroom has an open ground and I'm trying to see if I can fix this by replacing the receptacle or if the problem is elsewhere. With a voltage ...
0
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1answer
293 views

Voltage drop in receptacle circuit - options?

This is new construction...concerned about voltage drop. The house is a ranch style.I am installing a breaker panel in my garage. I am currently running the wiring (12-2) on a 20 amp breaker for the ...
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2answers
90 views

If you got 120 volts of current on each leg of a 50amp breaker but only 25v on each wire going into the stove outlet ,what could be the problem?

If you got 120 volts of current on each leg of a 50amp breaker but only 25v on each wire going into the oven outlet what could be the problem?
0
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1answer
44 views

Problem with stair switching for light (3 way)

I just did an electrical survey of my house receptacles and fixtures. All voltages are around 119.5V except one. On the light that is controlled by 2 switches (ie on 2 different levels of the house) ...
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4answers
92 views

Would a transformer protect a 24V digital flow meter if it received 48V?

I purchased a new water softener for the house. It has a digital flow metering device. It worked great for a few days and then stopped working. Long story short, I finally figured out that the outlet ...
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2answers
272 views

How can I tell if this appliance, a kiln, is using 208V single phase or three phase?

My kilns have recently stopped firing and it need new elements. I have to buy elements for specific voltage/phase combination. I didn't install the kilns - it was done by my studio mate before they ...
0
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1answer
1k views

How to wire L1, L2, n1, n2 and pe wires to install 220v-240v stove?

I'm trying to install a stove but I'm stuck on the wiring. There's an l1, l2, n1, n2 and pe wire sticking out of the wall. The stove has four attachment points for the wires. I don't know how to ...
2
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2answers
71 views

Voltage in incomplete circuit

This might be better asked over on electrical engineering, but it concerns household voltage and I know we have a some smart electricians on this site, so maybe one of you might be able to shed some ...
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2answers
110 views

Can I step down a NEMA L15-30R 90A 250v outlet to 110v?

I just moved into a high-rise condo and on my patio I have an outlet labeled NEMA L15-30-R 90A 250V 30 and I'm trying to figure out what I can do with it. I think the intended to be used for the ...
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2answers
332 views

What is an open ground and why would the neutral wire measure 50v?

What is an open ground? Also, why would there be 50 V in the neutral and ground wires? I have replaced all outlets and switches and still I have no light.