Questions tagged [voltage]

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Extending 20AWG of Ikea VAXMYRA, What to look out for

I am looking to extend the current wire of Ikea VAXMYRA led light. From the wire there's printing of AWM 2468 20AWG 80oC 300V. Can I literally just purchase another 20 AWG cable and splice it? Please ...
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2 answers
86 views

Lava lamp UK to Canada

I've recently buy a lava lamp and it only works for EU, all of it is 220-240V. First I've buy the plug adapter (not converter for V) the light bulb is 240V R39 E14 30W, and it doesn't exist in 120V, ...
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-1 votes
1 answer
68 views

Why does 120V line measure 26V?

The red wire has fed to fluorescent lights / LEDs for decades with 120V. When the circuit breaker is open it reads 6V, breaker closed is 26V AC (Fluke DVM) between the red and white wire: no load ...
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What could be causing the voltage drop in light sockets of my bedroom

I have a single circuit breaker for all lighting circuits in my apartment unit. However I'm having severe voltage drop in my bedroom's light sockets. I started suspecting about it ever since the ...
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3 votes
1 answer
985 views

Can I replace a 115 V doorbell transformer with a 120 V doorbell transformer?

update I replaced the transformer and 1 single doorbell with the ring video doorbell wired. Everything is functioning as it should. The existing chime from the standard doorbell is slightly louder ...
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-1 votes
1 answer
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How do I troubleshoot lost voltage in a previously working connection? [duplicate]

I have a garbage disposal that was direct connected to a 15A breaker and working fine. I needed to share that line with a new dishwasher install so I tried to install an outlet. I disconnected the ...
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83 views

7A 125v fridge into a 15A 125v outlet?

My outlet reads 15A 125V, I bought a fridge with a plug that reads 7A 125V, and IH range who's plug reads 15A 100V. Is it safe to use these items? I bought both an IH range and a fridge that said they ...
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3 votes
1 answer
610 views

Why is there voltage between the hot and traveler or other wires when all switches and fixtures are disconnected?

This is happening to me in a US residence. I’m replacing two light fixtures and both switches. One light has a 3-way switch, the other just a single-pole switch. See crude wiring diagram. For the ...
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60 views

Voltage drop between hot wire and switch return

In my bathroom I have one single pole switch for light and one for a fan. When I turn on just the light all 4 LED bulbs are dimmed. Then if I turn on fan or light in a room which is on the same line, ...
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2 votes
2 answers
124 views

Is clamp meter misreading or am I using it incorrectly?

I just bought an Ideal 61-737 Clamp Meter from Lowes and watched several instructional videos on how to use it. I'm interested in using the Non-Contact Voltage (NCV) feature which allows me to touch ...
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0 answers
72 views

How do I test voltage without a ground/confirm a good circuit?

For context, I recently moved (into a very old home) and I have a series of recessed lights operating on a single switch. All but one light fine... what I assume is the last in the series does not. ...
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1 vote
1 answer
84 views

Surge Arrester/Surge Protection Device (SPD) Type 2 Installation and its external Short Circuit Protection Device

BACKGROUND I live in a small town where it is difficult to find certified electricians. In fact, electrician certification is not common for residential installations. I did find some experienced ...
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1 vote
0 answers
30 views

Fan Motor stopped working, but motor is fine. Low voltage measured

Had to replace a broan ceiling fan, roughly 6 months ago. The new fan sounded odd, but I didn't want to buy another fan, figured I would wait until it failed again. After 6 months, it failed again. ...
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9 votes
4 answers
4k views

Half of house power voltage drops during storms

Very recently, about half my house’s power outlets drops in voltage during storms. Each time it’s the same circuits that are losing power, upstairs bed and bath, downstairs router, and a couple other ...
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1 answer
93 views

Why am I reading 120V in junction box but 100V four inches away downstream at screw-in bulb

Just moved into a house. External sconce light wasn't working. I swapped it out for another bulb rated 110/120V. The light flashes on and off repeatedly. I removed the bulb and put my multimeter leads ...
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1 vote
4 answers
913 views

All wires in thermostat junction box have high voltage

I'm a new homeowner and I'm trying to improve the heating in my new place! The heating is done with baseboards and it is currently using th104plus thermostats. My goal is to replace it with Mysa! In ...
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4 votes
9 answers
2k views

When running a bigger wire to deal with voltage drop on a 240V circuit, do I now need to run a neutral as well?

I am running wire for a 240 V, 20 A split-system AC over a hundred feet and the voltage drops below the allowed NEC 5% voltage drop. So I have to step down the a wire a gauge and run a #10 wire which ...
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9 votes
3 answers
2k views

Can I replace a bulb with one with more watt?

I have a lamp (from IKEA) that had a light bulb 3W 200lm 67lm/W 26mA I bought a light bulb that says 4W=35W 230LM Can I replace with that light bulb or even with higher watt? I mean is the only ...
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1 vote
1 answer
464 views

Lights go dim with a moderate load imposed: how to troubleshoot?

I just bought a house built in 1964 which features switches and outlets that have the "strip wire and insert into hole" connection method. In one of the rooms, turning on a ~500 watt load ...
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2 votes
1 answer
133 views

Why do I measure high and low voltage on a shop panel circuit?

I have power running to my shop, shop panel has a 100 amp main breaker, voltage on one leg reads 109 volts. The other shows less than 100 volts. If I turn 1 20 amp breaker on in the panel I then read ...
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1 vote
2 answers
165 views

How to determine if a light bulb is compatible with a lamp?

All my life I was laboring under the misconception that if a bulb fits in a socket, it will also work well. Recently, a line lamp in our bathroom stopped working, so I bought a brand new LED line lamp ...
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0 answers
68 views

Why does non-contact voltage tester chirp when it touches my skin?

I am getting a voltage tester (70v-1000 vac) go off (chirps once) when it touches my arm. If I move it up and down my arm it will chirp every few inches. Is this normal? And no, I'm not sitting in an ...
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0 votes
3 answers
164 views

How to protect electric appliances from high or low voltage or short circuit or any other electricity related thing

I have so many electric appliances installed at my home(India). I have been recently reading in newspapers that some electric appliance are getting affected due to voltage or short circuit issues. I ...
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1 answer
64 views

What is this wire in switch for?

So I’m working on an arduino project for switching my light with it, but in my switch, there are 2 cables (if I count in/out as one) and I don’t know what the second is. When I meassure voltage ...
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2 votes
4 answers
1k views

Strange Voltage at Receptacle

One of my home's 120v circuits measures: Line to neutral = 120v Line to ground = 52v Ground to neutral = 45v What should I look for to resolve this issue?
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6 votes
5 answers
3k views

Is it possible to downconvert 30A/240V to 15A/110V by replacing a circuit breaker?

I recently moved into a new apartment with... "curious" wiring. There is a single 15 amp/110 volt outlet that is directly wired to a 30 amp / 240v breaker. I suspect there used to be a drier ...
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0 votes
3 answers
142 views

Voltage between neutral line and soil?

I am feeling unpleasant electric shock when I touch metal water pipes or faucets. This happens also when the main breaker is off (L1, L2 and L3). This rules out my appliances (hot water boiler and etc....
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1 vote
2 answers
127 views

House's Power Cycling Between High and Low Voltage [duplicate]

Around 2am I noticed the voltage in my house changing. The only reason I noticed was because my bedside fan kept speeding up and slowing down. Usually my house has around 122v, so I got a meter and ...
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1 vote
1 answer
190 views

Voltage tester 220v

Will a 110v pen tester pick up or test a 220v socket? It doesn't sound or light up near the 220 socket. I want to make sure it works before I replace it.
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0 answers
23 views

Switch wiring - strange multimeter readings

I'm about to replace a dimmer switch in my house (UK - Single Phase) and every wire in the backbox is red, while I've tested and identified each (live in, live out, neutral in, neutral out, neutral to ...
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0 answers
47 views

Dryer voltage not right

My dryer won’t start. I’ve had the timer switch replaced and still nothing. The outlet in the wall reads the 240/120/120 from both the socket itself and the backside. The plug for the dryer is reading ...
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1 answer
68 views

Can voltage fluctuation cause heater thermostat to flare up?

As the title says can voltage fluctuation cause thermostats to flare up? I noticed light (led bulbs) would randomly flicker (but its not consistent) It happens at most twice a day, or once every few ...
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0 votes
1 answer
241 views

Voltage detector beeps on the sides of smart dimmer switch after installation

Possibly similar to Should a smart switch (that requires a neutral wire) cause my non-contact voltage tester to beep? but slightly different symptoms, and only on one switch. After installing Leviton ...
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0 answers
109 views

Are my calculations for stepping down from 240v to 208v correct?

I just bought a used UPS and didn't realize I bought 208v and not the 240v version. So I'm looking for a buck-boost transformer. Both input and output are at 30amps. I think I've done the math right. ...
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0 votes
0 answers
23 views

Ceiling Fan wiring - odd voltage measurements

I replaced a ceiling fan because the fan motor was not working, but the lights were. I ​would have assumed I would wire the Red (R) wire to the black and blue ceiling fan wires and the White (W) wire ...
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0 votes
2 answers
248 views

Measuring AC Voltage Behind Light Switch

This is more of a theoretical question and not something I'm needing to do. I understand the following, please correct me if I'm wrong; Multimeter only measures the potential difference so To measure ...
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1 vote
1 answer
209 views

Power issues in out-building sub panel - What's the best way to repair?

I am having electrical issues in my out-building shop. I think I might have an idea of what is wrong, but I want to hear others opinions, and I also want to know the best method of repair. I will try ...
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0 votes
3 answers
702 views

What size wire for a 60 AMP panel 400 feet away?

We are putting a sign and several lights in our parking lot and need a 60 amp panel to be located 400 feet from the breaker box. Allowing for the voltage drop, what size wire do we need to run? Thank ...
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0 votes
0 answers
48 views

Ceiling light still dimly lit with switch off

My ceiling light remains dimly lit after the switch is turned off. When the switch is on, the light is bright like normal, but when the switch is turned off, the light is still on slightly. I replaced ...
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-1 votes
1 answer
59 views

Can replacing a low voltage wire actually make the air handler blower blow more air?

Our system stopped cooling, it is 11 months old. The service tech found a low voltage wire running from the handler to the outside unit bad. He showed me the wire was not connected but dead now, after ...
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1 vote
4 answers
428 views

Solar panels: converter has AC Voltage out of range

Since about six months our house has solar panels. There's a converter (4600 W) with two inputs hooked up to 6 and 7 solar panels respectively of 325 watt peak performance. Overall this setup runs ...
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1 vote
1 answer
76 views

Safe to plug a travel adapter into a power strip?

I've got a dual voltage (110/220V) lamp that has a European plug and want to plug it into a North American outlet that has a power strip plugged into it. So I will have to use a plug adapter (not ...
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-1 votes
1 answer
114 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 ...
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0 votes
1 answer
82 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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1 vote
1 answer
126 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 ...
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7 votes
2 answers
667 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 ...
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1 vote
1 answer
623 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 ...
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5 votes
2 answers
1k 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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0 votes
0 answers
91 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 ...
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2 votes
1 answer
882 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 ...
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