For questions dealing with 240 Volt electrical circuits, devices, and equipment.

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0
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2answers
56 views

GFCI pops when the heater comes on

Just wired a new heater like this and the GFCI pops when the heater comes on. Can someone explain to me why this is happening?
0
votes
3answers
60 views

Can I safely create another 120V outlet using the fourth neutral wire from a 4 wire 240V line?

I recently just ran a 4 conductor 240 volt line out to my shed. I chose to run the extra conductor just in case, but I do not currently need it for my application. My question is, can I add a 120V ...
0
votes
2answers
62 views

220V/50hz with 10amp 3 wire

See Additional Added Info: I have an electric motor that I want to plug in at my house (USA). The device is 220V, 50hz and 600watt. The power cord (no plug) is 3 wires, and rated as 10amp. If I ...
3
votes
3answers
62 views

120 V between Ground and Neutral?

I had a new cooktop installed but it does not work. The unit replaced an old one and was simply plugged into the existing outlet. After checking the basics (no tripped breakers, etc), I whipped out ...
0
votes
3answers
112 views

240 volt house wiring, 130 volts on one leg and 112 volts on the other?

In my folks old farm house, at the panels main input from outside. L1 is 130v. L2 is 112v. When a load is applied both legs down voltage, allot! Anywhere from 10 to 20v. The wires running from the ...
3
votes
1answer
128 views

How to connect single-phase appliance to 240v feed?

I had a licensed electrician install this circuit with NEMA 14-30 receptacle before I knew which specific appliance would be used on the circuit. I now have the appliance with a 14-30 plug, but it ...
1
vote
1answer
92 views

How many electrical circuits? [closed]

Considering the following appliances, how many separate circuits should I consider for an apartment with 1 bedroom, 1 living room, 1 kitchen, 1 bathroom, and 1 access hallway? electrical oven ...
7
votes
1answer
37k views

Why did my electric range wiring burn out at the terminal block?

Turned on our 2 year old stove (Whirlpool Gold) and heard fizzing noises, then smelled electrical burning. Went downstairs and shut off the breaker (40 amp). That was the only way to get it to stop "...
3
votes
3answers
374 views

Connecting the four terminals of a 14-50P to a homebrew 240v system with three wires

I bought a new 240v homebrew system. The system requires a 30 amp circuit and comes with 10 gauge wires (black, white, green) but no plug (so you can connect the plug needed for your situation). I ...
8
votes
1answer
139k views

What wire gauge should I use with a 30 amp breaker for a 220V welder?

I am installing an outlet in my garage for a 220v mig welder. The welder specs call for 30A breaker. The outlet for the welder is only 2 feet from the garage sub panel. The wiring refernece charts I'...
0
votes
1answer
106 views

Running a new 240v circuit for a dryer

I just bought a home with a gas hookup for the dryer, but I have a fairly recent, perfectly working electric dryer, so I've decided to run a 240v line instead of purchasing a new gas dryer. This is ...
5
votes
5answers
370 views

Hot Tub Disconnect Location

I have a concrete slab which can fit a hot tub approximately at a distance of 8 feet from the main breaker panel (located outside on my porch). I assume that I will still need a separate disconnect ...
0
votes
2answers
126 views

Confused by ~115VAC 5-wire cabling to UK thermostat

I have a 5-wire cable as used for 3-phase (i.e. stripes/blue/brown/black/grey) coming to a hole where a thermostat was - only the earth, live (brown), and switched live (black) were used by this ...
3
votes
5answers
155 views

Need another 240v breaker

I bought a device called Sense to monitor home electrical usage that is installed in your electrical panel. The device needs to be connected to a 240v breaker like this: The problem is that I only ...
0
votes
2answers
1k views

How can I convert a 240V dryer outlet to two branch circuits?

I'm converting a former laundry area into a bar/coffee area. There's a relatively new 240V, 40A circuit that is now unused, so I'd like to repurpose it for 120V service. I'm hoping to run 1/2 of it ...
8
votes
3answers
3k views

What are my options for installing 240v receptacles in an attached garage?

My workshop (attached garage) is currently wired with 120V receptacles fed from the main panel in the house by #10/3 with ground (1 black, 1 red, 1 white, 1 ground) attached to a double-pole 30A ...
4
votes
4answers
289 views

Looking for or adding a ground to an existing NEMA 10-30 socket

I have an unused older 3-wire dryer socket (NEMA 10-30R) in my garage, I would like to upgrade this to a NEMA 14-30 socket with an separate ground. I'll be using this for an EVSE unit for electrical ...
0
votes
1answer
129 views

Starting to build up my tools collection, is 110v preferable over 240v?

I am just starting out on my first major project this weekend and I am looking at getting some new tools. I've had experience using plenty of 240v power tools, but now that I am looking at getting my ...
0
votes
1answer
107 views

Can I use a transformer with center tap to convert 240V to 120v? [closed]

I want to buy a 500W RMS surround system from the US and it is 120VAC. I'm planning to use a transformer here but I'm not sure what is the size/specs of the transformer to use or will it going to ...
0
votes
4answers
16k views

Can I convert a 240V dryer to 120V?

I have a stackable washer dryer combo. The dryer works on 240V and the washer works 120V, but they have 1 control panel. I don't have 240V in my new apartment, and am hoping to have the power cord ...
3
votes
2answers
4k views

Trying to wire a 240v line-voltage thermostat

I am trying to replace my old 240v line-voltage thermostat with a modern version. The problem is that after wiring the new version in like the old it doesn't work. I have (2) 12-2 wires coming out of ...
1
vote
7answers
6k views

Can a NEMA 6-15 Device be connected to a NEMA 6-20 receptacle?

I have a new -80 deep freezer that calls for NEMA 6-15R receptacle, but the old one it is replacing called for a NEMA 6-20. I note that the plug actually seems to fit in the 6-20, but is there a ...
0
votes
0answers
66 views

Using groun wire as nuetral wire with 240v circuit

I used the grounding wire within a10/2 UF wire as the neutral wire from a 120/240v 30a outlet to a nuetral/ground bar in the circuit box. The wires are protected from corrosion since the wire is ...
4
votes
4answers
41k views

Can I share a 240V outlet between two devices?

I have a single 50 amp 240 volt outlet. However, I've been using both my dryer and a welder on this same outlet, both have 3-prong (10-50P) plugs. It can be difficult to plug and unplug cords from ...
4
votes
4answers
19k views

Can I upgrade from a 240V 30A circuit to a 240V 50A circuit?

I have a new range with a NEMA 14-50P plug. I find my 240V receptacle is for a dryer, with the top blade a 90° one. So I need to change the receptacle out. However, I think my range needs 50 Amps, and ...
3
votes
2answers
541 views

How do I wire this 240v fan motor and thermostat

I'm trying to wire a two stage exhaust fan for my greenhouse. The motor comes set up for 240v wiring and is to be controlled by a thermostat. I undertsand how to get the 240v from the panel, but can't ...
4
votes
2answers
1k views

How is ground wire handled on 240V outlet?

I'm in the process of moving 240V outlet. The outlet has three wires connected. See the image: In the junction box I can see the ground coming out of the outlet. See the image: So where is the ...
1
vote
2answers
102 views

Changing 240V plug type

I have a device (a popcorn popper) that has an L14-20P plug. I would like to use it with my stove's 14-50R receptacle. Since the device is rated for 20 Amp, and the receptacle for 50, this should be ...
12
votes
7answers
86k views

Why Do 240V Circuits Not Require Neutral?

Someone told me that a 240V circuit does not require a neutral wire in the cable. Can anyone explain this phenomenon from the electricity perspective and generally explain why circuits do and do not ...
1
vote
1answer
131 views

240V power plug, only getting 120v, and 97v?

This is the plug/socket: Between one line and neutral, I get 120v. Between the other line and neutral, I get nothing. However, when I go between the line and the line, I get 97 volts. (I'm testing ...
5
votes
2answers
4k views

Replacing 240V outlet with 120V

I just moved into a new home, and we have an outlet in the bathroom that was set up for a washer/dryer in case we wanted to go that route. The outlet is a NEMA 10-30R. We are happy with the dryer ...
0
votes
1answer
205 views

How can I tell if two outlets are on different phases?

I have a house that had a 240v stove in it, and then was replaced with a gas stove, all before I bought it. There are two regular 120v outlets under it, that are both 120v, and the gas stove is ...
4
votes
1answer
421 views

Installing a new 240v receptacle - what do I need to know?

Provided I use a box large enough to meet the fill requirements (and use 10 AWG conductors), are there any additional requirements I should be aware of when installing a new 240v 30 amp receptacle for ...
1
vote
1answer
2k views

How can I make a 240 volt 4 wire to 3 wire extension/adapter cord?

I have an existing 240 outlet wired into the wall of my shop. It's there to run a phase converter that I use about 2 hours a week. I want to use this circuit to run a 240 window air conditioner when ...
0
votes
2answers
47 views

240 outlet giving abnormal me abnormal readings

I just moved to a new house and was troubleshooting a dryer when I noticed my outlet is giving me incorrect voltage. I know I should have two hots (A and B) on either side, a ground at the top (C) and ...
1
vote
1answer
361 views

Can I power a separate cooktop and wall oven from a single circuit?

I am replacing my 240V electric cooking range with a glass cooktop (with 4 heating plates) and a separate wall oven. The old cooking range was a plug-in. The two new appliances (the glass cooktop ...
1
vote
2answers
788 views

240v outlet not delivering 240 volts

To spare you all the long version of my two week nightmare: bought a house built in 1976. Hooked up dryer, switched to 3 prong plug. Dryer ran fine, started to smell like burning plastic until it ...
4
votes
1answer
35k views

What's the difference between three phase 240 V and standard household 240 V?

I don't understand the difference between household 240 and 3 phase 240. Isn't household 240 just two 120 phases, making 240V two-phase? If so, wouldn't three phase just be 360v? How, then, is there ...
1
vote
0answers
130 views

What could happen if a 240 stove cord was improperly installed and then stove was plugged in to the receptacle?

I think my new stove cord was installed incorrectly — after being plugged in we heard a ((whooooaamp)) sound and all the lights in the house flickered, now none of my 220 appliances will work ...
1
vote
1answer
152 views

Sauna tripping GFCI

I've just finished up wiring an old heater in my sauna. It has laid around in a shed for a decade or so and am wondering if it's spent. It powered on fine and heated for about 5 minutes until the GFCI ...
0
votes
1answer
210 views

Wiring a Sauna heater

I was wondering about the correct way to wire a 240V sauna heater/thermostat in a sauna I have built. From the heater I have a black, white, and bare wire. The black and white connect to separate ...
3
votes
3answers
554 views

Is it possible that I could have a 240V circuit with no circuit breaker?

Is it possible to put in an electrical circuit without any way to interrupt the circuit? I tried to work on a 240V outlet, and it wasn't marked in the breaker box. I threw every breaker, and that ...
0
votes
1answer
3k views

How do I verify that a 240v outlet is wired properly?

I recently had a dryer installed and it powered on, but wouldn't run. I was able to verify the voltage at 240v using a multimeter, but I'm not convinced that the outlet was wired properly. They are ...
2
votes
1answer
2k views

Which cable/conduit should I use to run a new 240 volt line for an oven?

I'm in the middle of a kitchen remodel and have hit a slight snag and need some advice on how to proceed. I'm moving the oven into an island, which requires moving the 240 line used for the oven. The ...
1
vote
3answers
1k views

2 15 amp breakers to 1 30 amp

I have a wired garage that has 3 wire 10 gauge going in to it. In the panel this wire is hooked up to 2 individual 15 amp breakers. I want to know if i can put in a 30 amp breaker in that spot. The ...
0
votes
2answers
2k views

I have 240V cable on a 120V circuit. Should I be worried?

I'm reconfiguring my kitchen and moving some stuff around, which necessitates moving some outlets and switches. This is my first attempt at any kind of electrical work, so finding weird things makes ...
0
votes
2answers
2k views

Can i fix or run my 110V pedestal fan on 220V?

I have an old table-fan that I bought years ago and was rated for 110V. During the checkout process, it the option of choosing 110V or 220V and I made the mistake of choosing 110V. I haven't been able ...
1
vote
1answer
91 views

How can I tell if there's an electrical issue or if I have a bad dryer?

I purchased a dryer from Sears: recently, which didn't work upon being connected. I performed a couple electrical checks (more on that in a moment), then called them up and told them that it was dead ...
1
vote
2answers
10k views

How do i know if my service panel will accommodate a 240v circuit breaker

We are looking to install a hot tub and trying to find out if our service panel will accommodate a 240v circuit breaker. This is what our panel says but I do not know what all of this means: ...
1
vote
0answers
124 views

Clothes Dryer electrical 240v between hot and netural, 0 between other hot and neutral

I had to move around my dryer to do some work in my laundry room. When I plugged it back in, it wouldn't turn on at all. None of the buttons would even make the lights come on. I unscrewed the end ...